{
  "answerability": "no_direct_claims_published",
  "claims": [],
  "entity": {
    "entity_id": "peak-cinder-cone",
    "kind": "peak",
    "name": "Cinder Cone"
  },
  "gap_details": [
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-cinder-cone-source-profile-variation",
            "evidence_ids": [
              "evidence-cinder-cone-source-profile-variation",
              "evidence-cinder-cone-source-profile-variation-nps"
            ],
            "predicate": "source_profile_variation",
            "spatial_scope_ids": [
              "scope-route-cinder-cone-trail"
            ],
            "subject_id": "route-cinder-cone-trail",
            "temporal_scope": null,
            "value": {
              "dataset_approach_to_base_miles": 1.24854719,
              "dataset_out_and_back_miles": 3.1659347,
              "dataset_trailhead_to_summit_approach_miles": 1.58296735,
              "nps_published_base_one_way_miles": 1.2,
              "nps_published_summit_round_trip_miles": 4,
              "resolution": "preserve both; do not infer which rim or crater circulation accounts for the difference"
            }
          },
          "evidence": [
            {
              "claim_id": "claim-cinder-cone-source-profile-variation",
              "evidence_id": "evidence-cinder-cone-source-profile-variation",
              "notes": "",
              "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923",
              "stance": "supports"
            },
            {
              "claim_id": "claim-cinder-cone-source-profile-variation",
              "evidence_id": "evidence-cinder-cone-source-profile-variation-nps",
              "notes": "",
              "observation_id": "observation-nps-lassen-cinder-cone-place-20260923",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.",
              "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923",
              "observed_at": null,
              "observer": "",
              "retrieved_at": "2026-09-23T16:00:00+00:00",
              "source_id": "source-usgs-topo-vector-prospect-peak-20250729"
            },
            {
              "artifact_refs": [],
              "content": "NPS describes a 2.4-mile round trip to the cone base and a four-mile round trip to the summit. At 1.2 miles the trail reaches a fork at the base; hikers take the left/south trail, circle toward the south side, and continue to the top. An additional separate trail continues into the crater. The trailhead is near the Butte Lake boat ramp, and current access and trail conditions require recheck.",
              "observation_id": "observation-nps-lassen-cinder-cone-place-20260923",
              "observed_at": null,
              "observer": "",
              "retrieved_at": "2026-09-23T16:00:00+00:00",
              "source_id": "source-nps-lassen-cinder-cone-place"
            }
          ],
          "sources": [
            {
              "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip",
              "publisher": "U.S. Geological Survey",
              "source_id": "source-usgs-topo-vector-prospect-peak-20250729"
            },
            {
              "locator": "https://www.nps.gov/places/cinder_cone.htm",
              "publisher": "National Park Service",
              "source_id": "source-nps-lassen-cinder-cone-place"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "peak-cinder-cone",
          "kind": "peak",
          "name": "Cinder Cone"
        },
        {
          "entity_id": "route-cinder-cone-trail",
          "kind": "route",
          "name": "Cinder Cone Trail"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph",
          "evidence_refs": [
            "evidence-cinder-trailhead-nobles-junction",
            "evidence-cinder-nobles-junction-base-fork",
            "evidence-cinder-base-fork-summit",
            "evidence-cinder-cone-official-trailhead-coordinate",
            "evidence-cinder-cone-route-detail",
            "evidence-cinder-cone-source-profile-variation",
            "evidence-cinder-cone-source-profile-variation-nps"
          ],
          "knowledge_gap_refs": [
            "gap-lassen-cinder-rim-crater-circulation",
            "gap-lassen-cinder-source-profile-variation",
            "gap-lassen-specific-route-topology"
          ],
          "path": "canonical/v0/gaps/gap-lassen-cinder-rim-crater-circulation.json",
          "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.",
          "record_id": "gap-lassen-cinder-rim-crater-circulation",
          "record_type": "gap",
          "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty."
        }
      ],
      "navigation": {
        "next_id": "gap-lassen-cinder-source-profile-variation",
        "position": 228,
        "previous_id": "gap-lassen-campground-site-details",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS describes a 2.4-mile round trip to the cone base and a four-mile round trip to the summit. At 1.2 miles the trail reaches a fork at the base; hikers take the left/south trail, circle toward the south side, and continue to the top. An additional separate trail continues into the crater. The trailhead is near the Butte Lake boat ramp, and current access and trail conditions require recheck.",
          "observation_id": "observation-nps-lassen-cinder-cone-place-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T16:00:00+00:00",
          "source_id": "source-nps-lassen-cinder-cone-place"
        },
        {
          "artifact_refs": [],
          "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.",
          "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T16:00:00+00:00",
          "source_id": "source-usgs-topo-vector-prospect-peak-20250729"
        }
      ],
      "record": {
        "gap_id": "gap-lassen-cinder-rim-crater-circulation",
        "question": "Which exact Cinder Cone vector branches represent the recommended summit circulation, rim paths, and separate crater descent?",
        "reason": "The official dataset preserves 22 additional Cinder Cone Trail features beyond the selected trailhead-to-summit approach. They form nested and parallel rim, crater, and other-side branches, but neither the feature attributes nor the NPS prose uniquely assigns every atomic feature to a visitor role. Wayproof preserves the complete approach and does not guess the remaining circuit.",
        "related_ids": [
          "route-cinder-cone-trail",
          "peak-cinder-cone",
          "claim-cinder-cone-source-profile-variation"
        ]
      },
      "record_type": "gap",
      "related_records": [
        {
          "record": {
            "entity_id": "route-cinder-cone-trail",
            "kind": "route",
            "name": "Cinder Cone Trail"
          },
          "record_id": "route-cinder-cone-trail",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "peak-cinder-cone",
            "kind": "peak",
            "name": "Cinder Cone"
          },
          "record_id": "peak-cinder-cone",
          "record_type": "entity"
        },
        {
          "record": {
            "claim_id": "claim-cinder-cone-source-profile-variation",
            "evidence_ids": [
              "evidence-cinder-cone-source-profile-variation",
              "evidence-cinder-cone-source-profile-variation-nps"
            ],
            "predicate": "source_profile_variation",
            "spatial_scope_ids": [
              "scope-route-cinder-cone-trail"
            ],
            "subject_id": "route-cinder-cone-trail",
            "temporal_scope": null,
            "value": {
              "dataset_approach_to_base_miles": 1.24854719,
              "dataset_out_and_back_miles": 3.1659347,
              "dataset_trailhead_to_summit_approach_miles": 1.58296735,
              "nps_published_base_one_way_miles": 1.2,
              "nps_published_summit_round_trip_miles": 4,
              "resolution": "preserve both; do not infer which rim or crater circulation accounts for the difference"
            }
          },
          "record_id": "claim-cinder-cone-source-profile-variation",
          "record_type": "claim"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/places/cinder_cone.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-lassen-cinder-cone-place"
        },
        {
          "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip",
          "publisher": "U.S. Geological Survey",
          "source_id": "source-usgs-topo-vector-prospect-peak-20250729"
        }
      ]
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-lassen-destinations-route-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/peak-cinder-cone.json",
      "reason": "Publish official-source Lassen destination identities, named hiking routes, evidenced starts, route profiles, and route-condition rechecks without inventing segment topology.",
      "record_id": "peak-cinder-cone",
      "record_type": "entity",
      "summary": "Add official-source Lassen destinations, named hiking routes, evidenced trailheads, route profiles, and route-condition rechecks while preserving the remaining segment-topology gap."
    }
  ],
  "journey": [
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-lassen-current-conditions-recheck",
            "evidence_ids": [
              "evidence-lassen-current-conditions-recheck"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-lassen-national-park"
            ],
            "subject_id": "park-lassen-volcanic-national-park",
            "temporal_scope": null,
            "value": {
              "required": true,
              "topics": [
                "alerts_and_closures",
                "roads",
                "trails",
                "fire_and_smoke",
                "snow",
                "facilities"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-lassen-current-conditions-recheck",
              "evidence_id": "evidence-lassen-current-conditions-recheck",
              "notes": "",
              "observation_id": "observation-nps-lassen-conditions-20260922",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The current-conditions page is the operational source for alerts, roads, trails, fire and smoke, snow, facilities, and closures.",
              "observation_id": "observation-nps-lassen-conditions-20260922",
              "observed_at": null,
              "observer": "",
              "retrieved_at": "2026-09-22T19:00:00+00:00",
              "source_id": "source-nps-lassen-conditions"
            }
          ],
          "sources": [
            {
              "locator": "https://www.nps.gov/lavo/planyourvisit/conditions.htm",
              "publisher": "National Park Service",
              "source_id": "source-nps-lassen-conditions"
            }
          ],
          "subject": {
            "entity_id": "park-lassen-volcanic-national-park",
            "kind": "national_park",
            "name": "Lassen Volcanic National Park"
          }
        }
      ],
      "entity": {
        "entity_id": "park-lassen-volcanic-national-park",
        "kind": "national_park",
        "name": "Lassen Volcanic National Park"
      },
      "gaps": [
        {
          "gap_id": "gap-lassen-current-conditions",
          "question": "What road, trail, fire, smoke, snow, facility, and area conditions will apply near departure?",
          "reason": "Dynamic operating conditions are intentionally not frozen; recheck the official NPS current-conditions page near departure.",
          "related_ids": [
            "claim-lassen-current-conditions-recheck"
          ]
        }
      ],
      "relationships": [
        {
          "evidence_ids": [
            "evidence-cinder-cone-trail-profile"
          ],
          "object_id": "route-cinder-cone-trail",
          "predicate": "approached_via",
          "relationship_id": "relationship-peak-cinder-cone-approached-via-route-cinder-cone-trail",
          "subject_id": "peak-cinder-cone",
          "temporal_scope": null
        },
        {
          "evidence_ids": [
            "evidence-cinder-cone-trail-profile"
          ],
          "object_id": "park-lassen-volcanic-national-park",
          "predicate": "traverses",
          "relationship_id": "relationship-route-cinder-cone-trail-traverses-lassen",
          "subject_id": "route-cinder-cone-trail",
          "temporal_scope": null
        }
      ],
      "role": "Traversed place"
    }
  ],
  "knowledge_gaps": [
    {
      "gap_id": "gap-lassen-cinder-rim-crater-circulation",
      "question": "Which exact Cinder Cone vector branches represent the recommended summit circulation, rim paths, and separate crater descent?",
      "reason": "The official dataset preserves 22 additional Cinder Cone Trail features beyond the selected trailhead-to-summit approach. They form nested and parallel rim, crater, and other-side branches, but neither the feature attributes nor the NPS prose uniquely assigns every atomic feature to a visitor role. Wayproof preserves the complete approach and does not guess the remaining circuit.",
      "related_ids": [
        "route-cinder-cone-trail",
        "peak-cinder-cone",
        "claim-cinder-cone-source-profile-variation"
      ]
    }
  ],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-cinder-cone-trail-profile"
      ],
      "object_id": "route-cinder-cone-trail",
      "predicate": "approached_via",
      "relationship_id": "relationship-peak-cinder-cone-approached-via-route-cinder-cone-trail",
      "subject_id": "peak-cinder-cone",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-cinder-cone-trail-profile"
      ],
      "object_id": "peak-cinder-cone",
      "predicate": "contains",
      "relationship_id": "relationship-lassen-contains-peak-cinder-cone",
      "subject_id": "park-lassen-volcanic-national-park",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-cinder-cone-route-detail"
      ],
      "object_id": "peak-cinder-cone",
      "predicate": "ends_at",
      "relationship_id": "relationship-route-cinder-cone-trail-ends-at-peak-cinder-cone",
      "subject_id": "route-cinder-cone-trail",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-cinder-base-fork-summit"
      ],
      "object_id": "peak-cinder-cone",
      "predicate": "ends_at",
      "relationship_id": "relationship-route-segment-cinder-base-fork-summit-ends-at",
      "subject_id": "route-segment-cinder-base-fork-summit",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}