{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-taboose-trail-topology",
        "evidence_ids": [
          "evidence-taboose-trail-topology"
        ],
        "predicate": "mapped_route_connector",
        "spatial_scope_ids": [
          "scope-route-taboose-pass",
          "scope-route-segment-taboose-trailhead-pass"
        ],
        "subject_id": "route-segment-taboose-trailhead-pass",
        "temporal_scope": null,
        "value": {
          "directionality": "bidirectional",
          "distance_miles": null,
          "distance_status": "conflicting_source_reports",
          "end_node_id": "place-taboose-pass",
          "mode": "hiking",
          "precision_note": "Continuous named trail; no intermediate named junction or surveyed jurisdiction crossing asserted.",
          "route_role": "official_mainline",
          "start_node_id": "trailhead-taboose-pass"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-taboose-trail-topology",
          "evidence_id": "evidence-taboose-trail-topology",
          "notes": "",
          "observation_id": "observation-taboose-trail-topology",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Independence Area Trails map, page 1, upper Taboose panel (edition unstated): highlighted trail connects the marked Taboose trailhead to Taboose Pass at the Forest Service / Kings Canyon boundary. It crosses John Muir Wilderness on the eastern approach. Map supports a continuous bidirectional trail, not exact mileage.",
          "observation_id": "observation-taboose-trail-topology",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-taboose-map"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/inyo/Trails-%20Independence%20area.pdf",
          "publisher": "USDA Forest Service, Inyo National Forest",
          "source_id": "source-taboose-map"
        }
      ],
      "subject": {
        "entity_id": "route-segment-taboose-trailhead-pass",
        "kind": "route_segment",
        "name": "Taboose trailhead to Taboose Pass"
      }
    },
    {
      "claim": {
        "claim_id": "claim-taboose-trail-geometry",
        "evidence_ids": [
          "evidence-taboose-trail-geometry"
        ],
        "predicate": "reviewed_route_display_geometry",
        "spatial_scope_ids": [
          "scope-route-taboose-pass",
          "scope-route-segment-taboose-trailhead-pass"
        ],
        "subject_id": "route-segment-taboose-trailhead-pass",
        "temporal_scope": null,
        "value": {
          "coordinate_reference_system": "EPSG:4326",
          "distance_policy": "No canonical distance derived from coordinates or summed from service attributes.",
          "end_coordinate": {
            "latitude": 36.98475858592664,
            "longitude": -118.41407895936544
          },
          "geometry_snapshot": {
            "feature_id": "usfs-taboose-trailhead-pass",
            "path": "geometry/v0/snapshots/usfs-taboose-pass-20261006.geojson",
            "sha256": "df679516cb0f55f48e3aae4ceaf84b5b169e7a408882ceb6a22035720d240f3e"
          },
          "navigation_grade": false,
          "route_role": "official_mainline",
          "source_coordinate_accuracy": "unknown",
          "source_feature_ids": [
            9575473,
            9574682,
            9575492,
            9575315
          ],
          "start_coordinate": {
            "latitude": 37.009548972348696,
            "longitude": -118.32735760836171
          }
        }
      },
      "evidence": [
        {
          "claim_id": "claim-taboose-trail-geometry",
          "evidence_id": "evidence-taboose-trail-geometry",
          "notes": "",
          "observation_id": "observation-taboose-trail-geometry",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "USFS National Forest System Trails, four complete TABOOSE PASS 3304 features: exact shared endpoints form one trailhead-to-pass display chain. Source object/global IDs and original attributes are preserved in the snapshot; map and prose independently establish topology.",
          "observation_id": "observation-taboose-trail-geometry",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-usfs-emigrant-nfs-trail-geometry"
        }
      ],
      "sources": [
        {
          "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-emigrant-nfs-trail-geometry"
        }
      ],
      "subject": {
        "entity_id": "route-segment-taboose-trailhead-pass",
        "kind": "route_segment",
        "name": "Taboose trailhead to Taboose Pass"
      }
    },
    {
      "claim": {
        "claim_id": "claim-taboose-creek-water",
        "evidence_ids": [
          "evidence-taboose-creek-water"
        ],
        "predicate": "water_treatment_guidance",
        "spatial_scope_ids": [
          "scope-route-taboose-pass",
          "scope-route-segment-taboose-trailhead-pass"
        ],
        "subject_id": "waterway-taboose-creek",
        "temporal_scope": null,
        "value": {
          "flow": "unknown",
          "safe_crossings": "unknown",
          "treatment_required_before_drinking": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-taboose-creek-water",
          "evidence_id": "evidence-taboose-creek-water",
          "notes": "",
          "observation_id": "observation-taboose-creek-water",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Taboose Water Available says creek, lake and spring water should be treated before drinking. It is not a dated flow or safe-crossing observation.",
          "observation_id": "observation-taboose-creek-water",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-taboose-trail"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/taboose-pass-trail",
          "publisher": "USDA Forest Service, Inyo National Forest",
          "source_id": "source-taboose-trail"
        }
      ],
      "subject": {
        "entity_id": "waterway-taboose-creek",
        "kind": "waterway",
        "name": "Taboose Creek"
      }
    }
  ],
  "entity": {
    "entity_id": "route-segment-taboose-trailhead-pass",
    "kind": "route_segment",
    "name": "Taboose trailhead to Taboose Pass"
  },
  "gap_details": [
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-taboose-road-directions",
            "evidence_ids": [
              "evidence-taboose-road-directions"
            ],
            "predicate": "road_access_description",
            "spatial_scope_ids": [
              "scope-road-taboose-creek",
              "scope-route-taboose-road-access",
              "scope-entrance-taboose-us395",
              "scope-trailhead-taboose-pass"
            ],
            "subject_id": "road-taboose-creek",
            "temporal_scope": null,
            "value": {
              "current_passability": "unknown",
              "distance_miles": {
                "approximately": 6
              },
              "endpoint": "road end at trailhead",
              "from": "US 395 about 12 miles south of Big Pine",
              "surface": "rough, bumpy dirt road",
              "turn": "west on Taboose Creek Road",
              "vehicle_clearance_requirement": "unknown"
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-road-directions",
              "evidence_id": "evidence-taboose-road-directions",
              "notes": "",
              "observation_id": "observation-taboose-road-directions",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "USFS Getting There directs visitors west from US 395 about 12 miles south of Big Pine, approximately six miles along rough, bumpy Taboose Creek Road to its end.",
              "observation_id": "observation-taboose-road-directions",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-taboose-trail"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/taboose-pass-trail",
              "publisher": "USDA Forest Service, Inyo National Forest",
              "source_id": "source-taboose-trail"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-taboose-road-recheck",
            "evidence_ids": [
              "evidence-taboose-road-recheck"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-road-taboose-creek",
              "scope-route-taboose-road-access",
              "scope-entrance-taboose-us395",
              "scope-trailhead-taboose-pass"
            ],
            "subject_id": "road-taboose-creek",
            "temporal_scope": null,
            "value": {
              "current_status": "unknown",
              "required": true,
              "topics": [
                "road damage",
                "closures",
                "vehicle suitability",
                "parking"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-road-recheck",
              "evidence_id": "evidence-taboose-road-recheck",
              "notes": "",
              "observation_id": "observation-taboose-road-recheck",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "Inyo County road-status page and linked closure documents are the official road recheck destination. The retrieved index alone does not establish this road open or suitable for any vehicle.",
              "observation_id": "observation-taboose-road-recheck",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-taboose-roads"
            }
          ],
          "sources": [
            {
              "locator": "https://www.inyocounty.us/services/public-works/news/inyo-county-road-openclosed-status",
              "publisher": "Inyo County Public Works",
              "source_id": "source-taboose-roads"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-taboose-trail-geometry",
            "evidence_ids": [
              "evidence-taboose-trail-geometry"
            ],
            "predicate": "reviewed_route_display_geometry",
            "spatial_scope_ids": [
              "scope-route-taboose-pass",
              "scope-route-segment-taboose-trailhead-pass"
            ],
            "subject_id": "route-segment-taboose-trailhead-pass",
            "temporal_scope": null,
            "value": {
              "coordinate_reference_system": "EPSG:4326",
              "distance_policy": "No canonical distance derived from coordinates or summed from service attributes.",
              "end_coordinate": {
                "latitude": 36.98475858592664,
                "longitude": -118.41407895936544
              },
              "geometry_snapshot": {
                "feature_id": "usfs-taboose-trailhead-pass",
                "path": "geometry/v0/snapshots/usfs-taboose-pass-20261006.geojson",
                "sha256": "df679516cb0f55f48e3aae4ceaf84b5b169e7a408882ceb6a22035720d240f3e"
              },
              "navigation_grade": false,
              "route_role": "official_mainline",
              "source_coordinate_accuracy": "unknown",
              "source_feature_ids": [
                9575473,
                9574682,
                9575492,
                9575315
              ],
              "start_coordinate": {
                "latitude": 37.009548972348696,
                "longitude": -118.32735760836171
              }
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-trail-geometry",
              "evidence_id": "evidence-taboose-trail-geometry",
              "notes": "",
              "observation_id": "observation-taboose-trail-geometry",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "USFS National Forest System Trails, four complete TABOOSE PASS 3304 features: exact shared endpoints form one trailhead-to-pass display chain. Source object/global IDs and original attributes are preserved in the snapshot; map and prose independently establish topology.",
              "observation_id": "observation-taboose-trail-geometry",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-usfs-emigrant-nfs-trail-geometry"
            }
          ],
          "sources": [
            {
              "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0",
              "publisher": "USDA Forest Service",
              "source_id": "source-usfs-emigrant-nfs-trail-geometry"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "road-taboose-creek",
          "kind": "road",
          "name": "Taboose Creek Road"
        },
        {
          "entity_id": "route-segment-taboose-trailhead-pass",
          "kind": "route_segment",
          "name": "Taboose trailhead to Taboose Pass"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20261006-taboose-pass-corridor",
          "evidence_refs": [],
          "knowledge_gap_refs": [
            "gap-taboose-access-geometry"
          ],
          "path": "canonical/v0/gaps/gap-taboose-access-geometry.json",
          "reason": "Add authoritative Taboose access-to-pass planning coverage with preserved uncertainty.",
          "record_id": "gap-taboose-access-geometry",
          "record_type": "gap",
          "summary": "Add Taboose Pass road/trail topology, official display geometry, jurisdiction-specific planning evidence, permits, facilities, restrictions and rechecks."
        }
      ],
      "navigation": {
        "next_id": "gap-taboose-camp-count-conflict",
        "position": 250,
        "previous_id": "gap-sunol-current-trail-and-fire-status",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [],
          "content": "USFS Getting There directs visitors west from US 395 about 12 miles south of Big Pine, approximately six miles along rough, bumpy Taboose Creek Road to its end.",
          "observation_id": "observation-taboose-road-directions",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-taboose-trail"
        },
        {
          "artifact_refs": [],
          "content": "Inyo County road-status page and linked closure documents are the official road recheck destination. The retrieved index alone does not establish this road open or suitable for any vehicle.",
          "observation_id": "observation-taboose-road-recheck",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-taboose-roads"
        },
        {
          "artifact_refs": [],
          "content": "USFS National Forest System Trails, four complete TABOOSE PASS 3304 features: exact shared endpoints form one trailhead-to-pass display chain. Source object/global IDs and original attributes are preserved in the snapshot; map and prose independently establish topology.",
          "observation_id": "observation-taboose-trail-geometry",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-usfs-emigrant-nfs-trail-geometry"
        }
      ],
      "record": {
        "gap_id": "gap-taboose-access-geometry",
        "question": "Is there reviewed official geometry and current clearance for the approach road?",
        "reason": "The named road approach is supported by USFS directions and map, but no reviewed official road polyline or highway-junction coordinates are imported. Trail geometry begins at the trailhead. Exact road jurisdiction divisions, clearance, turnarounds and parking capacity remain unverified.",
        "related_ids": [
          "claim-taboose-road-directions",
          "claim-taboose-road-recheck",
          "claim-taboose-trail-geometry"
        ]
      },
      "record_type": "gap",
      "related_records": [
        {
          "record": {
            "claim_id": "claim-taboose-road-directions",
            "evidence_ids": [
              "evidence-taboose-road-directions"
            ],
            "predicate": "road_access_description",
            "spatial_scope_ids": [
              "scope-road-taboose-creek",
              "scope-route-taboose-road-access",
              "scope-entrance-taboose-us395",
              "scope-trailhead-taboose-pass"
            ],
            "subject_id": "road-taboose-creek",
            "temporal_scope": null,
            "value": {
              "current_passability": "unknown",
              "distance_miles": {
                "approximately": 6
              },
              "endpoint": "road end at trailhead",
              "from": "US 395 about 12 miles south of Big Pine",
              "surface": "rough, bumpy dirt road",
              "turn": "west on Taboose Creek Road",
              "vehicle_clearance_requirement": "unknown"
            }
          },
          "record_id": "claim-taboose-road-directions",
          "record_type": "claim"
        },
        {
          "record": {
            "claim_id": "claim-taboose-road-recheck",
            "evidence_ids": [
              "evidence-taboose-road-recheck"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-road-taboose-creek",
              "scope-route-taboose-road-access",
              "scope-entrance-taboose-us395",
              "scope-trailhead-taboose-pass"
            ],
            "subject_id": "road-taboose-creek",
            "temporal_scope": null,
            "value": {
              "current_status": "unknown",
              "required": true,
              "topics": [
                "road damage",
                "closures",
                "vehicle suitability",
                "parking"
              ]
            }
          },
          "record_id": "claim-taboose-road-recheck",
          "record_type": "claim"
        },
        {
          "record": {
            "claim_id": "claim-taboose-trail-geometry",
            "evidence_ids": [
              "evidence-taboose-trail-geometry"
            ],
            "predicate": "reviewed_route_display_geometry",
            "spatial_scope_ids": [
              "scope-route-taboose-pass",
              "scope-route-segment-taboose-trailhead-pass"
            ],
            "subject_id": "route-segment-taboose-trailhead-pass",
            "temporal_scope": null,
            "value": {
              "coordinate_reference_system": "EPSG:4326",
              "distance_policy": "No canonical distance derived from coordinates or summed from service attributes.",
              "end_coordinate": {
                "latitude": 36.98475858592664,
                "longitude": -118.41407895936544
              },
              "geometry_snapshot": {
                "feature_id": "usfs-taboose-trailhead-pass",
                "path": "geometry/v0/snapshots/usfs-taboose-pass-20261006.geojson",
                "sha256": "df679516cb0f55f48e3aae4ceaf84b5b169e7a408882ceb6a22035720d240f3e"
              },
              "navigation_grade": false,
              "route_role": "official_mainline",
              "source_coordinate_accuracy": "unknown",
              "source_feature_ids": [
                9575473,
                9574682,
                9575492,
                9575315
              ],
              "start_coordinate": {
                "latitude": 37.009548972348696,
                "longitude": -118.32735760836171
              }
            }
          },
          "record_id": "claim-taboose-trail-geometry",
          "record_type": "claim"
        }
      ],
      "sources": [
        {
          "locator": "https://www.inyocounty.us/services/public-works/news/inyo-county-road-openclosed-status",
          "publisher": "Inyo County Public Works",
          "source_id": "source-taboose-roads"
        },
        {
          "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/taboose-pass-trail",
          "publisher": "USDA Forest Service, Inyo National Forest",
          "source_id": "source-taboose-trail"
        },
        {
          "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-emigrant-nfs-trail-geometry"
        }
      ]
    },
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-taboose-dataset-lengths",
            "evidence_ids": [
              "evidence-taboose-dataset-lengths"
            ],
            "predicate": "published_dataset_length_report",
            "spatial_scope_ids": [
              "scope-route-taboose-pass"
            ],
            "subject_id": "route-taboose-pass",
            "temporal_scope": null,
            "value": {
              "role": "separate source attributes; not adopted as a resolved hiking distance",
              "source_final_milepost": 7.6146,
              "source_gis_miles": [
                0.019,
                2.243,
                1.704,
                3.316
              ],
              "source_segment_length_miles": [
                0.018,
                2.3639,
                1.7595,
                3.4732
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-dataset-lengths",
              "evidence_id": "evidence-taboose-dataset-lengths",
              "notes": "",
              "observation_id": "observation-taboose-dataset-lengths",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "USFS 3304 source attributes in connected order: segment_length 0.018, 2.3639, 1.7595, 3.4732; gis_miles 0.019, 2.243, 1.704, 3.316; terminal emp 7.6146. These differ from the approximate 6.5-mile guide and are not silently substituted.",
              "observation_id": "observation-taboose-dataset-lengths",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-usfs-emigrant-nfs-trail-geometry"
            }
          ],
          "sources": [
            {
              "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0",
              "publisher": "USDA Forest Service",
              "source_id": "source-usfs-emigrant-nfs-trail-geometry"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-taboose-guide-distance",
            "evidence_ids": [
              "evidence-taboose-guide-distance"
            ],
            "predicate": "published_approach_distance_report",
            "spatial_scope_ids": [
              "scope-route-taboose-pass"
            ],
            "subject_id": "route-taboose-pass",
            "temporal_scope": null,
            "value": {
              "edition": "unstated",
              "endpoint": "trailhead to pass",
              "navigation_grade": false,
              "qualifier": "approximate",
              "reported_one_way_miles": 6.5
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-guide-distance",
              "evidence_id": "evidence-taboose-guide-distance",
              "notes": "",
              "observation_id": "observation-taboose-guide-distance",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "John Muir Trail Entry Points, page 1, Taboose Pass row: trailhead-to-pass 6.5 miles; the heading explicitly says all mileages/elevations are approximate and for planning, not navigation.",
              "observation_id": "observation-taboose-guide-distance",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-taboose-entry-guide"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/inyo/JMT%20TripPlan%20Entry%20Points.pdf",
              "publisher": "USDA Forest Service, Inyo National Forest",
              "source_id": "source-taboose-entry-guide"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-taboose-trail-geometry",
            "evidence_ids": [
              "evidence-taboose-trail-geometry"
            ],
            "predicate": "reviewed_route_display_geometry",
            "spatial_scope_ids": [
              "scope-route-taboose-pass",
              "scope-route-segment-taboose-trailhead-pass"
            ],
            "subject_id": "route-segment-taboose-trailhead-pass",
            "temporal_scope": null,
            "value": {
              "coordinate_reference_system": "EPSG:4326",
              "distance_policy": "No canonical distance derived from coordinates or summed from service attributes.",
              "end_coordinate": {
                "latitude": 36.98475858592664,
                "longitude": -118.41407895936544
              },
              "geometry_snapshot": {
                "feature_id": "usfs-taboose-trailhead-pass",
                "path": "geometry/v0/snapshots/usfs-taboose-pass-20261006.geojson",
                "sha256": "df679516cb0f55f48e3aae4ceaf84b5b169e7a408882ceb6a22035720d240f3e"
              },
              "navigation_grade": false,
              "route_role": "official_mainline",
              "source_coordinate_accuracy": "unknown",
              "source_feature_ids": [
                9575473,
                9574682,
                9575492,
                9575315
              ],
              "start_coordinate": {
                "latitude": 37.009548972348696,
                "longitude": -118.32735760836171
              }
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-trail-geometry",
              "evidence_id": "evidence-taboose-trail-geometry",
              "notes": "",
              "observation_id": "observation-taboose-trail-geometry",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "USFS National Forest System Trails, four complete TABOOSE PASS 3304 features: exact shared endpoints form one trailhead-to-pass display chain. Source object/global IDs and original attributes are preserved in the snapshot; map and prose independently establish topology.",
              "observation_id": "observation-taboose-trail-geometry",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-usfs-emigrant-nfs-trail-geometry"
            }
          ],
          "sources": [
            {
              "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0",
              "publisher": "USDA Forest Service",
              "source_id": "source-usfs-emigrant-nfs-trail-geometry"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "route-segment-taboose-trailhead-pass",
          "kind": "route_segment",
          "name": "Taboose trailhead to Taboose Pass"
        },
        {
          "entity_id": "route-taboose-pass",
          "kind": "route",
          "name": "Taboose Pass Trail"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20261006-taboose-pass-corridor",
          "evidence_refs": [],
          "knowledge_gap_refs": [
            "gap-taboose-mileage"
          ],
          "path": "canonical/v0/gaps/gap-taboose-mileage.json",
          "reason": "Add authoritative Taboose access-to-pass planning coverage with preserved uncertainty.",
          "record_id": "gap-taboose-mileage",
          "record_type": "gap",
          "summary": "Add Taboose Pass road/trail topology, official display geometry, jurisdiction-specific planning evidence, permits, facilities, restrictions and rechecks."
        }
      ],
      "navigation": {
        "next_id": "gap-taboose-release-clock",
        "position": 257,
        "previous_id": "gap-taboose-food-order-metadata",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [],
          "content": "USFS 3304 source attributes in connected order: segment_length 0.018, 2.3639, 1.7595, 3.4732; gis_miles 0.019, 2.243, 1.704, 3.316; terminal emp 7.6146. These differ from the approximate 6.5-mile guide and are not silently substituted.",
          "observation_id": "observation-taboose-dataset-lengths",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-usfs-emigrant-nfs-trail-geometry"
        },
        {
          "artifact_refs": [],
          "content": "John Muir Trail Entry Points, page 1, Taboose Pass row: trailhead-to-pass 6.5 miles; the heading explicitly says all mileages/elevations are approximate and for planning, not navigation.",
          "observation_id": "observation-taboose-guide-distance",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-taboose-entry-guide"
        },
        {
          "artifact_refs": [],
          "content": "USFS National Forest System Trails, four complete TABOOSE PASS 3304 features: exact shared endpoints form one trailhead-to-pass display chain. Source object/global IDs and original attributes are preserved in the snapshot; map and prose independently establish topology.",
          "observation_id": "observation-taboose-trail-geometry",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-usfs-emigrant-nfs-trail-geometry"
        }
      ],
      "record": {
        "gap_id": "gap-taboose-mileage",
        "question": "What distance should be planned from the trailhead to the pass?",
        "reason": "The approximate USFS guide gives 6.5 miles; the matching official trail dataset terminates at milepost 7.6146 and has different GIS length attributes. Different survey/measurement methods or editions may explain this, but the discrepancy is unresolved. Traversal is connected with unknown canonical distance; no arithmetic or map scaling resolves it.",
        "related_ids": [
          "route-taboose-pass",
          "claim-taboose-guide-distance",
          "claim-taboose-dataset-lengths",
          "claim-taboose-trail-geometry"
        ]
      },
      "record_type": "gap",
      "related_records": [
        {
          "record": {
            "entity_id": "route-taboose-pass",
            "kind": "route",
            "name": "Taboose Pass Trail"
          },
          "record_id": "route-taboose-pass",
          "record_type": "entity"
        },
        {
          "record": {
            "claim_id": "claim-taboose-guide-distance",
            "evidence_ids": [
              "evidence-taboose-guide-distance"
            ],
            "predicate": "published_approach_distance_report",
            "spatial_scope_ids": [
              "scope-route-taboose-pass"
            ],
            "subject_id": "route-taboose-pass",
            "temporal_scope": null,
            "value": {
              "edition": "unstated",
              "endpoint": "trailhead to pass",
              "navigation_grade": false,
              "qualifier": "approximate",
              "reported_one_way_miles": 6.5
            }
          },
          "record_id": "claim-taboose-guide-distance",
          "record_type": "claim"
        },
        {
          "record": {
            "claim_id": "claim-taboose-dataset-lengths",
            "evidence_ids": [
              "evidence-taboose-dataset-lengths"
            ],
            "predicate": "published_dataset_length_report",
            "spatial_scope_ids": [
              "scope-route-taboose-pass"
            ],
            "subject_id": "route-taboose-pass",
            "temporal_scope": null,
            "value": {
              "role": "separate source attributes; not adopted as a resolved hiking distance",
              "source_final_milepost": 7.6146,
              "source_gis_miles": [
                0.019,
                2.243,
                1.704,
                3.316
              ],
              "source_segment_length_miles": [
                0.018,
                2.3639,
                1.7595,
                3.4732
              ]
            }
          },
          "record_id": "claim-taboose-dataset-lengths",
          "record_type": "claim"
        },
        {
          "record": {
            "claim_id": "claim-taboose-trail-geometry",
            "evidence_ids": [
              "evidence-taboose-trail-geometry"
            ],
            "predicate": "reviewed_route_display_geometry",
            "spatial_scope_ids": [
              "scope-route-taboose-pass",
              "scope-route-segment-taboose-trailhead-pass"
            ],
            "subject_id": "route-segment-taboose-trailhead-pass",
            "temporal_scope": null,
            "value": {
              "coordinate_reference_system": "EPSG:4326",
              "distance_policy": "No canonical distance derived from coordinates or summed from service attributes.",
              "end_coordinate": {
                "latitude": 36.98475858592664,
                "longitude": -118.41407895936544
              },
              "geometry_snapshot": {
                "feature_id": "usfs-taboose-trailhead-pass",
                "path": "geometry/v0/snapshots/usfs-taboose-pass-20261006.geojson",
                "sha256": "df679516cb0f55f48e3aae4ceaf84b5b169e7a408882ceb6a22035720d240f3e"
              },
              "navigation_grade": false,
              "route_role": "official_mainline",
              "source_coordinate_accuracy": "unknown",
              "source_feature_ids": [
                9575473,
                9574682,
                9575492,
                9575315
              ],
              "start_coordinate": {
                "latitude": 37.009548972348696,
                "longitude": -118.32735760836171
              }
            }
          },
          "record_id": "claim-taboose-trail-geometry",
          "record_type": "claim"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/inyo/JMT%20TripPlan%20Entry%20Points.pdf",
          "publisher": "USDA Forest Service, Inyo National Forest",
          "source_id": "source-taboose-entry-guide"
        },
        {
          "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-emigrant-nfs-trail-geometry"
        }
      ]
    },
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-taboose-trail-description",
            "evidence_ids": [
              "evidence-taboose-trail-description"
            ],
            "predicate": "route_description",
            "spatial_scope_ids": [
              "scope-route-taboose-pass"
            ],
            "subject_id": "route-taboose-pass",
            "temporal_scope": null,
            "value": {
              "current_conditions": "unknown",
              "directionality": "bidirectional described and mapped trail",
              "effort": "strenuous",
              "elevation_gain_feet": {
                "more_than": 6000
              },
              "entry_id": "trailhead-taboose-pass",
              "objective_id": "place-taboose-pass",
              "west_continuation": "John Muir Trail and Kings Canyon destinations south of Mather Pass"
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-trail-description",
              "evidence_id": "evidence-taboose-trail-description",
              "notes": "",
              "observation_id": "observation-taboose-trail-description",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "USFS Taboose Pass Trail overview: the route ascends Taboose Creek canyon from the Owens Valley between Cardinal and Goodale mountains, gains more than 6,000 feet, crosses Taboose Pass and continues to the JMT in Kings Canyon. The pass is a common destination.",
              "observation_id": "observation-taboose-trail-description",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-taboose-trail"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/taboose-pass-trail",
              "publisher": "USDA Forest Service, Inyo National Forest",
              "source_id": "source-taboose-trail"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-taboose-trail-geometry",
            "evidence_ids": [
              "evidence-taboose-trail-geometry"
            ],
            "predicate": "reviewed_route_display_geometry",
            "spatial_scope_ids": [
              "scope-route-taboose-pass",
              "scope-route-segment-taboose-trailhead-pass"
            ],
            "subject_id": "route-segment-taboose-trailhead-pass",
            "temporal_scope": null,
            "value": {
              "coordinate_reference_system": "EPSG:4326",
              "distance_policy": "No canonical distance derived from coordinates or summed from service attributes.",
              "end_coordinate": {
                "latitude": 36.98475858592664,
                "longitude": -118.41407895936544
              },
              "geometry_snapshot": {
                "feature_id": "usfs-taboose-trailhead-pass",
                "path": "geometry/v0/snapshots/usfs-taboose-pass-20261006.geojson",
                "sha256": "df679516cb0f55f48e3aae4ceaf84b5b169e7a408882ceb6a22035720d240f3e"
              },
              "navigation_grade": false,
              "route_role": "official_mainline",
              "source_coordinate_accuracy": "unknown",
              "source_feature_ids": [
                9575473,
                9574682,
                9575492,
                9575315
              ],
              "start_coordinate": {
                "latitude": 37.009548972348696,
                "longitude": -118.32735760836171
              }
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-trail-geometry",
              "evidence_id": "evidence-taboose-trail-geometry",
              "notes": "",
              "observation_id": "observation-taboose-trail-geometry",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "USFS National Forest System Trails, four complete TABOOSE PASS 3304 features: exact shared endpoints form one trailhead-to-pass display chain. Source object/global IDs and original attributes are preserved in the snapshot; map and prose independently establish topology.",
              "observation_id": "observation-taboose-trail-geometry",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-usfs-emigrant-nfs-trail-geometry"
            }
          ],
          "sources": [
            {
              "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0",
              "publisher": "USDA Forest Service",
              "source_id": "source-usfs-emigrant-nfs-trail-geometry"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "route-segment-taboose-trailhead-pass",
          "kind": "route_segment",
          "name": "Taboose trailhead to Taboose Pass"
        },
        {
          "entity_id": "route-taboose-pass",
          "kind": "route",
          "name": "Taboose Pass Trail"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20261006-taboose-pass-corridor",
          "evidence_refs": [],
          "knowledge_gap_refs": [
            "gap-taboose-route-limits"
          ],
          "path": "canonical/v0/gaps/gap-taboose-route-limits.json",
          "reason": "Add authoritative Taboose access-to-pass planning coverage with preserved uncertainty.",
          "record_id": "gap-taboose-route-limits",
          "record_type": "gap",
          "summary": "Add Taboose Pass road/trail topology, official display geometry, jurisdiction-specific planning evidence, permits, facilities, restrictions and rechecks."
        }
      ],
      "navigation": {
        "next_id": "gap-taboose-trailhead-facilities",
        "position": 259,
        "previous_id": "gap-taboose-release-clock",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [],
          "content": "USFS Taboose Pass Trail overview: the route ascends Taboose Creek canyon from the Owens Valley between Cardinal and Goodale mountains, gains more than 6,000 feet, crosses Taboose Pass and continues to the JMT in Kings Canyon. The pass is a common destination.",
          "observation_id": "observation-taboose-trail-description",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-taboose-trail"
        },
        {
          "artifact_refs": [],
          "content": "USFS National Forest System Trails, four complete TABOOSE PASS 3304 features: exact shared endpoints form one trailhead-to-pass display chain. Source object/global IDs and original attributes are preserved in the snapshot; map and prose independently establish topology.",
          "observation_id": "observation-taboose-trail-geometry",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-usfs-emigrant-nfs-trail-geometry"
        }
      ],
      "record": {
        "gap_id": "gap-taboose-route-limits",
        "question": "Which alternatives, camps and western continuations are modeled?",
        "reason": "The entire named eastern trailhead-to-pass route and separate US 395 road approach are connected. Intermediate campsite spurs, crossing positions, alternate trails and the western JMT network are not modeled. The NPS stock atlas shows west-side branching; this batch does not choose an onward branch or infer a Bench Lake facility visit.",
        "related_ids": [
          "route-taboose-pass",
          "claim-taboose-trail-description",
          "claim-taboose-trail-geometry"
        ]
      },
      "record_type": "gap",
      "related_records": [
        {
          "record": {
            "entity_id": "route-taboose-pass",
            "kind": "route",
            "name": "Taboose Pass Trail"
          },
          "record_id": "route-taboose-pass",
          "record_type": "entity"
        },
        {
          "record": {
            "claim_id": "claim-taboose-trail-description",
            "evidence_ids": [
              "evidence-taboose-trail-description"
            ],
            "predicate": "route_description",
            "spatial_scope_ids": [
              "scope-route-taboose-pass"
            ],
            "subject_id": "route-taboose-pass",
            "temporal_scope": null,
            "value": {
              "current_conditions": "unknown",
              "directionality": "bidirectional described and mapped trail",
              "effort": "strenuous",
              "elevation_gain_feet": {
                "more_than": 6000
              },
              "entry_id": "trailhead-taboose-pass",
              "objective_id": "place-taboose-pass",
              "west_continuation": "John Muir Trail and Kings Canyon destinations south of Mather Pass"
            }
          },
          "record_id": "claim-taboose-trail-description",
          "record_type": "claim"
        },
        {
          "record": {
            "claim_id": "claim-taboose-trail-geometry",
            "evidence_ids": [
              "evidence-taboose-trail-geometry"
            ],
            "predicate": "reviewed_route_display_geometry",
            "spatial_scope_ids": [
              "scope-route-taboose-pass",
              "scope-route-segment-taboose-trailhead-pass"
            ],
            "subject_id": "route-segment-taboose-trailhead-pass",
            "temporal_scope": null,
            "value": {
              "coordinate_reference_system": "EPSG:4326",
              "distance_policy": "No canonical distance derived from coordinates or summed from service attributes.",
              "end_coordinate": {
                "latitude": 36.98475858592664,
                "longitude": -118.41407895936544
              },
              "geometry_snapshot": {
                "feature_id": "usfs-taboose-trailhead-pass",
                "path": "geometry/v0/snapshots/usfs-taboose-pass-20261006.geojson",
                "sha256": "df679516cb0f55f48e3aae4ceaf84b5b169e7a408882ceb6a22035720d240f3e"
              },
              "navigation_grade": false,
              "route_role": "official_mainline",
              "source_coordinate_accuracy": "unknown",
              "source_feature_ids": [
                9575473,
                9574682,
                9575492,
                9575315
              ],
              "start_coordinate": {
                "latitude": 37.009548972348696,
                "longitude": -118.32735760836171
              }
            }
          },
          "record_id": "claim-taboose-trail-geometry",
          "record_type": "claim"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/taboose-pass-trail",
          "publisher": "USDA Forest Service, Inyo National Forest",
          "source_id": "source-taboose-trail"
        },
        {
          "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-emigrant-nfs-trail-geometry"
        }
      ]
    },
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-taboose-creek-water",
            "evidence_ids": [
              "evidence-taboose-creek-water"
            ],
            "predicate": "water_treatment_guidance",
            "spatial_scope_ids": [
              "scope-route-taboose-pass",
              "scope-route-segment-taboose-trailhead-pass"
            ],
            "subject_id": "waterway-taboose-creek",
            "temporal_scope": null,
            "value": {
              "flow": "unknown",
              "safe_crossings": "unknown",
              "treatment_required_before_drinking": true
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-creek-water",
              "evidence_id": "evidence-taboose-creek-water",
              "notes": "",
              "observation_id": "observation-taboose-creek-water",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "Taboose Water Available says creek, lake and spring water should be treated before drinking. It is not a dated flow or safe-crossing observation.",
              "observation_id": "observation-taboose-creek-water",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-taboose-trail"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/taboose-pass-trail",
              "publisher": "USDA Forest Service, Inyo National Forest",
              "source_id": "source-taboose-trail"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-taboose-trail-condition-20260826",
            "evidence_ids": [
              "evidence-taboose-trail-condition-20260826"
            ],
            "predicate": "dated_trail_condition",
            "spatial_scope_ids": [
              "scope-route-taboose-pass"
            ],
            "subject_id": "route-taboose-pass",
            "temporal_scope": {
              "ends_on": "2026-08-26",
              "starts_on": "2026-08-26"
            },
            "value": {
              "brush": "overgrown and brushy",
              "creek_crossings": "washed out",
              "current_status": "unknown; recheck",
              "report_date": "2026-08-26",
              "stock": "not recommended"
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-trail-condition-20260826",
              "evidence_id": "evidence-taboose-trail-condition-20260826",
              "notes": "",
              "observation_id": "observation-taboose-trail-condition-20260826",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "NPS Trail Conditions, Taboose Pass entry dated August 26, 2026 reports heavy brush and washed-out creek crossings, and advises against stock. The entry does not identify individual crossing coordinates.",
              "observation_id": "observation-taboose-trail-condition-20260826",
              "observed_at": "2026-08-26T00:00:00+00:00",
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-nps-seki-trail-conditions"
            }
          ],
          "sources": [
            {
              "locator": "https://www.nps.gov/seki/planyourvisit/trailcond.htm",
              "publisher": "National Park Service",
              "source_id": "source-nps-seki-trail-conditions"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "route-taboose-pass",
          "kind": "route",
          "name": "Taboose Pass Trail"
        },
        {
          "entity_id": "waterway-taboose-creek",
          "kind": "waterway",
          "name": "Taboose Creek"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20261006-taboose-pass-corridor",
          "evidence_refs": [],
          "knowledge_gap_refs": [
            "gap-taboose-water-crossings"
          ],
          "path": "canonical/v0/gaps/gap-taboose-water-crossings.json",
          "reason": "Add authoritative Taboose access-to-pass planning coverage with preserved uncertainty.",
          "record_id": "gap-taboose-water-crossings",
          "record_type": "gap",
          "summary": "Add Taboose Pass road/trail topology, official display geometry, jurisdiction-specific planning evidence, permits, facilities, restrictions and rechecks."
        }
      ],
      "navigation": {
        "next_id": "gap-taboose-west-weapons-interpretation",
        "position": 262,
        "previous_id": "gap-taboose-vehicle-food-conflict",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [],
          "content": "Taboose Water Available says creek, lake and spring water should be treated before drinking. It is not a dated flow or safe-crossing observation.",
          "observation_id": "observation-taboose-creek-water",
          "observed_at": null,
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-taboose-trail"
        },
        {
          "artifact_refs": [],
          "content": "NPS Trail Conditions, Taboose Pass entry dated August 26, 2026 reports heavy brush and washed-out creek crossings, and advises against stock. The entry does not identify individual crossing coordinates.",
          "observation_id": "observation-taboose-trail-condition-20260826",
          "observed_at": "2026-08-26T00:00:00+00:00",
          "observer": "Wayproof primary-source text, table and visual map review",
          "retrieved_at": "2026-10-06T21:40:00+00:00",
          "source_id": "source-nps-seki-trail-conditions"
        }
      ],
      "record": {
        "gap_id": "gap-taboose-water-crossings",
        "question": "Where are usable water collection points and safe crossings on the trip date?",
        "reason": "The route follows Taboose Creek, but no current flow, exact crossing inventory, safe ford or facility spur is evidenced. The dated NPS report describes washouts. Do not manufacture crossing nodes or timeless drinking-water availability.",
        "related_ids": [
          "claim-taboose-creek-water",
          "claim-taboose-trail-condition-20260826",
          "route-taboose-pass"
        ]
      },
      "record_type": "gap",
      "related_records": [
        {
          "record": {
            "claim_id": "claim-taboose-creek-water",
            "evidence_ids": [
              "evidence-taboose-creek-water"
            ],
            "predicate": "water_treatment_guidance",
            "spatial_scope_ids": [
              "scope-route-taboose-pass",
              "scope-route-segment-taboose-trailhead-pass"
            ],
            "subject_id": "waterway-taboose-creek",
            "temporal_scope": null,
            "value": {
              "flow": "unknown",
              "safe_crossings": "unknown",
              "treatment_required_before_drinking": true
            }
          },
          "record_id": "claim-taboose-creek-water",
          "record_type": "claim"
        },
        {
          "record": {
            "claim_id": "claim-taboose-trail-condition-20260826",
            "evidence_ids": [
              "evidence-taboose-trail-condition-20260826"
            ],
            "predicate": "dated_trail_condition",
            "spatial_scope_ids": [
              "scope-route-taboose-pass"
            ],
            "subject_id": "route-taboose-pass",
            "temporal_scope": {
              "ends_on": "2026-08-26",
              "starts_on": "2026-08-26"
            },
            "value": {
              "brush": "overgrown and brushy",
              "creek_crossings": "washed out",
              "current_status": "unknown; recheck",
              "report_date": "2026-08-26",
              "stock": "not recommended"
            }
          },
          "record_id": "claim-taboose-trail-condition-20260826",
          "record_type": "claim"
        },
        {
          "record": {
            "entity_id": "route-taboose-pass",
            "kind": "route",
            "name": "Taboose Pass Trail"
          },
          "record_id": "route-taboose-pass",
          "record_type": "entity"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/seki/planyourvisit/trailcond.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-seki-trail-conditions"
        },
        {
          "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/taboose-pass-trail",
          "publisher": "USDA Forest Service, Inyo National Forest",
          "source_id": "source-taboose-trail"
        }
      ]
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20261006-taboose-pass-corridor",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/route-segment-taboose-trailhead-pass.json",
      "reason": "Add authoritative Taboose access-to-pass planning coverage with preserved uncertainty.",
      "record_id": "route-segment-taboose-trailhead-pass",
      "record_type": "entity",
      "summary": "Add Taboose Pass road/trail topology, official display geometry, jurisdiction-specific planning evidence, permits, facilities, restrictions and rechecks."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20261006-taboose-pass-corridor",
      "evidence_refs": [
        "evidence-taboose-trail-topology"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-taboose-trail-topology.json",
      "reason": "Add authoritative Taboose access-to-pass planning coverage with preserved uncertainty.",
      "record_id": "claim-taboose-trail-topology",
      "record_type": "claim",
      "summary": "Add Taboose Pass road/trail topology, official display geometry, jurisdiction-specific planning evidence, permits, facilities, restrictions and rechecks."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20261006-taboose-pass-corridor",
      "evidence_refs": [
        "evidence-taboose-trail-geometry"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-taboose-trail-geometry.json",
      "reason": "Add authoritative Taboose access-to-pass planning coverage with preserved uncertainty.",
      "record_id": "claim-taboose-trail-geometry",
      "record_type": "claim",
      "summary": "Add Taboose Pass road/trail topology, official display geometry, jurisdiction-specific planning evidence, permits, facilities, restrictions and rechecks."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20261006-taboose-pass-corridor",
      "evidence_refs": [
        "evidence-taboose-creek-water"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-taboose-creek-water.json",
      "reason": "Add authoritative Taboose access-to-pass planning coverage with preserved uncertainty.",
      "record_id": "claim-taboose-creek-water",
      "record_type": "claim",
      "summary": "Add Taboose Pass road/trail topology, official display geometry, jurisdiction-specific planning evidence, permits, facilities, restrictions and rechecks."
    }
  ],
  "journey": [
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-taboose-road-recheck",
            "evidence_ids": [
              "evidence-taboose-road-recheck"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-road-taboose-creek",
              "scope-route-taboose-road-access",
              "scope-entrance-taboose-us395",
              "scope-trailhead-taboose-pass"
            ],
            "subject_id": "road-taboose-creek",
            "temporal_scope": null,
            "value": {
              "current_status": "unknown",
              "required": true,
              "topics": [
                "road damage",
                "closures",
                "vehicle suitability",
                "parking"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-road-recheck",
              "evidence_id": "evidence-taboose-road-recheck",
              "notes": "",
              "observation_id": "observation-taboose-road-recheck",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "Inyo County road-status page and linked closure documents are the official road recheck destination. The retrieved index alone does not establish this road open or suitable for any vehicle.",
              "observation_id": "observation-taboose-road-recheck",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-taboose-roads"
            }
          ],
          "sources": [
            {
              "locator": "https://www.inyocounty.us/services/public-works/news/inyo-county-road-openclosed-status",
              "publisher": "Inyo County Public Works",
              "source_id": "source-taboose-roads"
            }
          ],
          "subject": {
            "entity_id": "road-taboose-creek",
            "kind": "road",
            "name": "Taboose Creek Road"
          }
        },
        {
          "claim": {
            "claim_id": "claim-taboose-road-directions",
            "evidence_ids": [
              "evidence-taboose-road-directions"
            ],
            "predicate": "road_access_description",
            "spatial_scope_ids": [
              "scope-road-taboose-creek",
              "scope-route-taboose-road-access",
              "scope-entrance-taboose-us395",
              "scope-trailhead-taboose-pass"
            ],
            "subject_id": "road-taboose-creek",
            "temporal_scope": null,
            "value": {
              "current_passability": "unknown",
              "distance_miles": {
                "approximately": 6
              },
              "endpoint": "road end at trailhead",
              "from": "US 395 about 12 miles south of Big Pine",
              "surface": "rough, bumpy dirt road",
              "turn": "west on Taboose Creek Road",
              "vehicle_clearance_requirement": "unknown"
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-road-directions",
              "evidence_id": "evidence-taboose-road-directions",
              "notes": "",
              "observation_id": "observation-taboose-road-directions",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "USFS Getting There directs visitors west from US 395 about 12 miles south of Big Pine, approximately six miles along rough, bumpy Taboose Creek Road to its end.",
              "observation_id": "observation-taboose-road-directions",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-taboose-trail"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/taboose-pass-trail",
              "publisher": "USDA Forest Service, Inyo National Forest",
              "source_id": "source-taboose-trail"
            }
          ],
          "subject": {
            "entity_id": "road-taboose-creek",
            "kind": "road",
            "name": "Taboose Creek Road"
          }
        }
      ],
      "entity": {
        "entity_id": "trailhead-taboose-pass",
        "kind": "trailhead",
        "name": "Taboose Pass Trailhead"
      },
      "gaps": [
        {
          "gap_id": "gap-taboose-access-geometry",
          "question": "Is there reviewed official geometry and current clearance for the approach road?",
          "reason": "The named road approach is supported by USFS directions and map, but no reviewed official road polyline or highway-junction coordinates are imported. Trail geometry begins at the trailhead. Exact road jurisdiction divisions, clearance, turnarounds and parking capacity remain unverified.",
          "related_ids": [
            "claim-taboose-road-directions",
            "claim-taboose-road-recheck",
            "claim-taboose-trail-geometry"
          ]
        },
        {
          "gap_id": "gap-taboose-trailhead-facilities",
          "question": "What parking, toilets and potable water are available at the trailhead?",
          "reason": "Road-end vehicle access and absent bear lockers are evidenced. Parking capacity, fees, designated spaces, toilet inventory and potable taps at the trailhead remain unknown. County campground toilets/well are separate facilities approximately two road miles from US 395, not trailhead amenities.",
          "related_ids": [
            "trailhead-taboose-pass",
            "claim-taboose-road-directions",
            "claim-taboose-vehicle-food"
          ]
        }
      ],
      "relationships": [
        {
          "evidence_ids": [
            "evidence-taboose-trail-topology"
          ],
          "object_id": "trailhead-taboose-pass",
          "predicate": "starts_at",
          "relationship_id": "relationship-taboose-segment-start",
          "subject_id": "route-segment-taboose-trailhead-pass",
          "temporal_scope": null
        }
      ],
      "role": "Entry"
    },
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-taboose-west-jurisdiction",
            "evidence_ids": [
              "evidence-taboose-west-jurisdiction"
            ],
            "predicate": "jurisdiction_transition",
            "spatial_scope_ids": [
              "scope-zone-taboose-kings-canyon-continuation"
            ],
            "subject_id": "zone-taboose-kings-canyon-continuation",
            "temporal_scope": null,
            "value": {
              "beyond_scope": "JMT and Upper Basin",
              "east": "wilderness-john-muir",
              "transition": "Taboose Pass",
              "west": "park-sequoia-kings-canyon"
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-west-jurisdiction",
              "evidence_id": "evidence-taboose-west-jurisdiction",
              "notes": "",
              "observation_id": "observation-taboose-west-jurisdiction",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "Independence Area Trails page 1 shows the named pass on the Forest Service / Kings Canyon boundary; the trail continues west in Kings Canyon. This zone denotes only the western continuation, not the entire eastern trail.",
              "observation_id": "observation-taboose-west-jurisdiction",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-taboose-map"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/inyo/Trails-%20Independence%20area.pdf",
              "publisher": "USDA Forest Service, Inyo National Forest",
              "source_id": "source-taboose-map"
            }
          ],
          "subject": {
            "entity_id": "zone-taboose-kings-canyon-continuation",
            "kind": "zone",
            "name": "Taboose Pass western continuation in Kings Canyon"
          }
        },
        {
          "claim": {
            "claim_id": "claim-taboose-west-pets",
            "evidence_ids": [
              "evidence-taboose-west-pets"
            ],
            "predicate": "pet_policy",
            "spatial_scope_ids": [
              "scope-zone-taboose-kings-canyon-continuation"
            ],
            "subject_id": "zone-taboose-kings-canyon-continuation",
            "temporal_scope": null,
            "value": {
              "pets_allowed": false
            }
          },
          "evidence": [
            {
              "claim_id": "claim-taboose-west-pets",
              "evidence_id": "evidence-taboose-west-pets",
              "notes": "",
              "observation_id": "observation-taboose-west-pets",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "NPS Minimum Impact Restrictions: pets are not allowed in park wilderness.",
              "observation_id": "observation-taboose-west-pets",
              "observed_at": null,
              "observer": "Wayproof primary-source text, table and visual map review",
              "retrieved_at": "2026-10-06T21:40:00+00:00",
              "source_id": "source-taboose-nps-rules"
            }
          ],
          "sources": [
            {
              "locator": "https://www.nps.gov/seki/planyourvisit/minimum-impact-restrictions.htm",
              "publisher": "National Park Service",
              "source_id": "source-taboose-nps-rules"
            }
          ],
          "subject": {
            "entity_id": "zone-taboose-kings-canyon-continuation",
            "kind": "zone",
            "name": "Taboose Pass western continuation in Kings Canyon"
          }
        }
      ],
      "entity": {
        "entity_id": "zone-taboose-kings-canyon-continuation",
        "kind": "zone",
        "name": "Taboose Pass western continuation in Kings Canyon"
      },
      "gaps": [
        {
          "gap_id": "gap-taboose-western-scope",
          "question": "What applies if continuing west of Taboose Pass?",
          "reason": "NPS restrictions and stock-area context are represented separately. Onward route, camps, daily stock opening, food-storage zones, and exact branch choices require itinerary-specific review. No NPS prohibition is projected onto the entire Inyo approach.",
          "related_ids": [
            "zone-taboose-kings-canyon-continuation",
            "claim-taboose-west-jurisdiction",
            "claim-taboose-cross-boundary-recheck"
          ]
        }
      ],
      "relationships": [
        {
          "evidence_ids": [
            "evidence-taboose-trail-topology"
          ],
          "object_id": "place-taboose-pass",
          "predicate": "ends_at",
          "relationship_id": "relationship-taboose-segment-end",
          "subject_id": "route-segment-taboose-trailhead-pass",
          "temporal_scope": null
        },
        {
          "evidence_ids": [
            "evidence-taboose-trail-topology"
          ],
          "object_id": "zone-taboose-kings-canyon-continuation",
          "predicate": "adjacent_to",
          "relationship_id": "relationship-taboose-pass-west",
          "subject_id": "place-taboose-pass",
          "temporal_scope": null
        }
      ],
      "role": "Adjacent jurisdiction — review before continuing"
    }
  ],
  "knowledge_gaps": [
    {
      "gap_id": "gap-taboose-access-geometry",
      "question": "Is there reviewed official geometry and current clearance for the approach road?",
      "reason": "The named road approach is supported by USFS directions and map, but no reviewed official road polyline or highway-junction coordinates are imported. Trail geometry begins at the trailhead. Exact road jurisdiction divisions, clearance, turnarounds and parking capacity remain unverified.",
      "related_ids": [
        "claim-taboose-road-directions",
        "claim-taboose-road-recheck",
        "claim-taboose-trail-geometry"
      ]
    },
    {
      "gap_id": "gap-taboose-mileage",
      "question": "What distance should be planned from the trailhead to the pass?",
      "reason": "The approximate USFS guide gives 6.5 miles; the matching official trail dataset terminates at milepost 7.6146 and has different GIS length attributes. Different survey/measurement methods or editions may explain this, but the discrepancy is unresolved. Traversal is connected with unknown canonical distance; no arithmetic or map scaling resolves it.",
      "related_ids": [
        "route-taboose-pass",
        "claim-taboose-guide-distance",
        "claim-taboose-dataset-lengths",
        "claim-taboose-trail-geometry"
      ]
    },
    {
      "gap_id": "gap-taboose-route-limits",
      "question": "Which alternatives, camps and western continuations are modeled?",
      "reason": "The entire named eastern trailhead-to-pass route and separate US 395 road approach are connected. Intermediate campsite spurs, crossing positions, alternate trails and the western JMT network are not modeled. The NPS stock atlas shows west-side branching; this batch does not choose an onward branch or infer a Bench Lake facility visit.",
      "related_ids": [
        "route-taboose-pass",
        "claim-taboose-trail-description",
        "claim-taboose-trail-geometry"
      ]
    },
    {
      "gap_id": "gap-taboose-water-crossings",
      "question": "Where are usable water collection points and safe crossings on the trip date?",
      "reason": "The route follows Taboose Creek, but no current flow, exact crossing inventory, safe ford or facility spur is evidenced. The dated NPS report describes washouts. Do not manufacture crossing nodes or timeless drinking-water availability.",
      "related_ids": [
        "claim-taboose-creek-water",
        "claim-taboose-trail-condition-20260826",
        "route-taboose-pass"
      ]
    }
  ],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-taboose-trail-topology"
      ],
      "object_id": "place-taboose-pass",
      "predicate": "ends_at",
      "relationship_id": "relationship-taboose-segment-end",
      "subject_id": "route-segment-taboose-trailhead-pass",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-taboose-trail-description"
      ],
      "object_id": "waterway-taboose-creek",
      "predicate": "follows",
      "relationship_id": "relationship-taboose-creek-corridor",
      "subject_id": "route-segment-taboose-trailhead-pass",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-taboose-trail-topology"
      ],
      "object_id": "route-taboose-pass",
      "predicate": "part_of",
      "relationship_id": "relationship-taboose-segment-member",
      "subject_id": "route-segment-taboose-trailhead-pass",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-taboose-trail-topology"
      ],
      "object_id": "trailhead-taboose-pass",
      "predicate": "starts_at",
      "relationship_id": "relationship-taboose-segment-start",
      "subject_id": "route-segment-taboose-trailhead-pass",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-taboose-trail-topology"
      ],
      "object_id": "wilderness-john-muir",
      "predicate": "traverses",
      "relationship_id": "relationship-taboose-segment-wilderness",
      "subject_id": "route-segment-taboose-trailhead-pass",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}
