{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-trailhead-north-lake-bishop-map-point",
        "evidence_ids": [
          "evidence-trailhead-north-lake-bishop-map-point-usgs-eastern-sierra-trailhead-endpoints-20260925"
        ],
        "predicate": "reviewed_access_point_coordinate",
        "spatial_scope_ids": [],
        "subject_id": "trailhead-north-lake-bishop",
        "temporal_scope": null,
        "value": {
          "geometry_snapshot": {
            "feature_id": "trailhead-north-lake-bishop",
            "path": "geometry/v0/snapshots/eastern-sierra-trailhead-points-20260925.geojson",
            "sha256": "ea8e63ced14acdff52ace60f067deef10538830e224e1e853be069f8aba74968"
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          "latitude": 37.22732132855004,
          "longitude": -118.62748197439943,
          "navigation_grade": false,
          "provenance": "reviewed_usgs_route_endpoint",
          "source_feature_id": "{C72B1C66-6B1C-40E3-A59D-E2AA1735184D}",
          "source_ids": [
            "source-usgs-national-digital-trails-eastern-sierra-20260924"
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        }
      },
      "evidence": [
        {
          "claim_id": "claim-trailhead-north-lake-bishop-map-point",
          "evidence_id": "evidence-trailhead-north-lake-bishop-map-point-usgs-eastern-sierra-trailhead-endpoints-20260925",
          "notes": "",
          "observation_id": "observation-usgs-eastern-sierra-trailhead-endpoints-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
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            "ea8e63ced14acdff52ace60f067deef10538830e224e1e853be069f8aba74968"
          ],
          "content": "Reviewed National Digital Trails features place evidenced route endpoints at the Parker Lake, McGee Creek, Tamarack Lakes, Mosquito Flat, North Lake, Sabrina Basin, South Lake, Yost/Fern, Upper Rock Creek/East Fork, and Lundy Canyon access identities. The Lundy endpoint is independently corroborated by a named OpenStreetMap trailhead point approximately ten meters away.",
          "observation_id": "observation-usgs-eastern-sierra-trailhead-endpoints-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T13:00:00+00:00",
          "source_id": "source-usgs-national-digital-trails-eastern-sierra-20260924"
        }
      ],
      "sources": [
        {
          "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0",
          "publisher": "U.S. Geological Survey / U.S. Forest Service",
          "source_id": "source-usgs-national-digital-trails-eastern-sierra-20260924"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "trailhead-north-lake-bishop",
      "kind": "trailhead",
      "name": "North Lake Trailhead"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-eastern-sierra-trailhead-map-points",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-trailhead-north-lake-bishop-map-point.json",
      "reason": "Publish reviewed East Side access points without inferring access from proximity.",
      "record_id": "claim-trailhead-north-lake-bishop-map-point",
      "record_type": "claim",
      "summary": "Publish 13 evidenced East Side trail access points and preserve three unresolved connector or identity questions."
    }
  ],
  "navigation": {
    "next_id": "claim-trailhead-old-big-oak-flat-road-map-point",
    "position": 3467,
    "previous_id": "claim-trailhead-mosquito-flat-map-point",
    "total": 3965
  },
  "observations": [
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        "ea8e63ced14acdff52ace60f067deef10538830e224e1e853be069f8aba74968"
      ],
      "content": "Reviewed National Digital Trails features place evidenced route endpoints at the Parker Lake, McGee Creek, Tamarack Lakes, Mosquito Flat, North Lake, Sabrina Basin, South Lake, Yost/Fern, Upper Rock Creek/East Fork, and Lundy Canyon access identities. The Lundy endpoint is independently corroborated by a named OpenStreetMap trailhead point approximately ten meters away.",
      "observation_id": "observation-usgs-eastern-sierra-trailhead-endpoints-20260925",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-25T13:00:00+00:00",
      "source_id": "source-usgs-national-digital-trails-eastern-sierra-20260924"
    }
  ],
  "record": {
    "claim_id": "claim-trailhead-north-lake-bishop-map-point",
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    ],
    "predicate": "reviewed_access_point_coordinate",
    "spatial_scope_ids": [],
    "subject_id": "trailhead-north-lake-bishop",
    "temporal_scope": null,
    "value": {
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        "path": "geometry/v0/snapshots/eastern-sierra-trailhead-points-20260925.geojson",
        "sha256": "ea8e63ced14acdff52ace60f067deef10538830e224e1e853be069f8aba74968"
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      "longitude": -118.62748197439943,
      "navigation_grade": false,
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      "source_feature_id": "{C72B1C66-6B1C-40E3-A59D-E2AA1735184D}",
      "source_ids": [
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      ]
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0",
      "publisher": "U.S. Geological Survey / U.S. Forest Service",
      "source_id": "source-usgs-national-digital-trails-eastern-sierra-20260924"
    }
  ]
}