{
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    {
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            "route-segment-convict-lake-loop-04",
            "route-segment-convict-lake-loop-05",
            "route-segment-convict-lake-loop-east-south-road-link",
            "route-segment-convict-lake-loop-east-shore-trail",
            "route-segment-convict-lake-loop-east-north-road-link"
          ],
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          "claim_id": "claim-convict-lake-loop-ordered-geometry",
          "evidence_id": "evidence-convict-lake-loop-ordered-geometry",
          "notes": "",
          "observation_id": "observation-usgs-convict-loop-closure-geometry-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "geometry/v0/snapshots/usgs-convict-lake-loop-closure-20260925.geojson"
          ],
          "content": "The July 2026 USGS Transportation service returns the Convict Lake Road and Boat Launch road features plus a paved 0.34564349-mile CONVICT LAKE VIS trail. Their geometry matches the road-trail-road loop closure depicted by the official Forest Service hiking map. The south road feature intersects the paved trail endpoint within 0.4 meter; the north road and retained trail endpoints match within approximately 1.4 meters.",
          "observation_id": "observation-usgs-convict-loop-closure-geometry-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T11:00:00+00:00",
          "source_id": "source-usgs-national-map-transportation-convict-20260925"
        }
      ],
      "sources": [
        {
          "locator": "https://carto.nationalmap.gov/arcgis/rest/services/transportation/MapServer",
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          "source_id": "source-usgs-national-map-transportation-convict-20260925"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-convict-lake-loop-published-profile",
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        ],
        "subject_id": "route-convict-lake-loop",
        "temporal_scope": null,
        "value": {
          "round_trip_miles": 2,
          "route_description": "hike around Convict Lake",
          "view_context": "lake and Mount Morrison"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-convict-lake-loop-published-profile",
          "evidence_id": "evidence-convict-lake-loop-published-profile",
          "notes": "",
          "observation_id": "observation-usfs-convict-lake-two-mile-hike-20260924",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The Inyo visitor guide recommends a two-mile hike around Convict Lake for views of the lake against Mount Morrison.",
          "observation_id": "observation-usfs-convict-lake-two-mile-hike-20260924",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-24T07:30:00+00:00",
          "source_id": "source-usfs-inyo-visitor-guide-2021"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/inyo/Visitor%20Guide%202021.pdf",
          "publisher": "USDA Forest Service, Inyo National Forest",
          "source_id": "source-usfs-inyo-visitor-guide-2021"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "route-convict-lake-loop",
      "kind": "route",
      "name": "Convict Lake Loop"
    },
    {
      "entity_id": "route-segment-convict-lake-loop-east-south-road-link",
      "kind": "route_segment",
      "name": "Convict Lake Loop south cul-de-sac road link"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-convict-loop-complete-geometry",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/gaps/gap-convict-lake-loop-distance-reconciliation.json",
      "reason": "Add reviewed USGS road and trail geometry for the complete Convict Lake loop.",
      "record_id": "gap-convict-lake-loop-distance-reconciliation",
      "record_type": "gap",
      "summary": "Complete Convict Lake Loop display geometry and preserve its published-distance discrepancy."
    }
  ],
  "navigation": {
    "next_id": "gap-convict-lake-trailhead-loop-connector",
    "position": 1,
    "previous_id": null,
    "total": 299
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The Inyo visitor guide recommends a two-mile hike around Convict Lake for views of the lake against Mount Morrison.",
      "observation_id": "observation-usfs-convict-lake-two-mile-hike-20260924",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-24T07:30:00+00:00",
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    },
    {
      "artifact_refs": [
        "geometry/v0/snapshots/usgs-convict-lake-loop-closure-20260925.geojson"
      ],
      "content": "The July 2026 USGS Transportation service returns the Convict Lake Road and Boat Launch road features plus a paved 0.34564349-mile CONVICT LAKE VIS trail. Their geometry matches the road-trail-road loop closure depicted by the official Forest Service hiking map. The south road feature intersects the paved trail endpoint within 0.4 meter; the north road and retained trail endpoints match within approximately 1.4 meters.",
      "observation_id": "observation-usgs-convict-loop-closure-geometry-20260925",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-25T11:00:00+00:00",
      "source_id": "source-usgs-national-map-transportation-convict-20260925"
    }
  ],
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    "gap_id": "gap-convict-lake-loop-distance-reconciliation",
    "question": "Why does the visitor guide describe a two-mile loop while reviewed source geometry totals approximately 2.5 miles?",
    "reason": "Wayproof preserves both values. The small south cul-de-sac offers two nearly equal mapped road arms; the displayed geometry uses the shorter arm, but that choice accounts for only a few feet and does not explain the roughly half-mile source discrepancy.",
    "related_ids": [
      "route-convict-lake-loop",
      "claim-convict-lake-loop-published-profile",
      "claim-convict-lake-loop-ordered-geometry",
      "route-segment-convict-lake-loop-east-south-road-link"
    ]
  },
  "record_type": "gap",
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    {
      "record": {
        "entity_id": "route-convict-lake-loop",
        "kind": "route",
        "name": "Convict Lake Loop"
      },
      "record_id": "route-convict-lake-loop",
      "record_type": "entity"
    },
    {
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        "claim_id": "claim-convict-lake-loop-published-profile",
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        "temporal_scope": null,
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        }
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      "record_id": "claim-convict-lake-loop-published-profile",
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    },
    {
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            "route-segment-convict-lake-loop-04",
            "route-segment-convict-lake-loop-05",
            "route-segment-convict-lake-loop-east-south-road-link",
            "route-segment-convict-lake-loop-east-shore-trail",
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          ],
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        }
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    },
    {
      "record": {
        "entity_id": "route-segment-convict-lake-loop-east-south-road-link",
        "kind": "route_segment",
        "name": "Convict Lake Loop south cul-de-sac road link"
      },
      "record_id": "route-segment-convict-lake-loop-east-south-road-link",
      "record_type": "entity"
    }
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    {
      "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/inyo/Visitor%20Guide%202021.pdf",
      "publisher": "USDA Forest Service, Inyo National Forest",
      "source_id": "source-usfs-inyo-visitor-guide-2021"
    },
    {
      "locator": "https://carto.nationalmap.gov/arcgis/rest/services/transportation/MapServer",
      "publisher": "U.S. Geological Survey / U.S. Forest Service",
      "source_id": "source-usgs-national-map-transportation-convict-20260925"
    }
  ]
}