{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-yosemite-glacier-point-nps-segment-17070",
        "evidence_ids": [
          "evidence-yosemite-glacier-point-nps-segment-17070"
        ],
        "predicate": "official_dataset_route_segment",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-segment-yosemite-glacier-point-nps-17070",
        "temporal_scope": null,
        "value": {
          "allowed_uses": "Hiker/Pedestrian",
          "distance_status": "not_published_at_segment_level",
          "end_coordinate": {
            "latitude": 37.679212,
            "longitude": -119.6230128
          },
          "geometry_snapshot": {
            "feature_id": "nps-trail-17070",
            "path": "geometry/v0/snapshots/nps-yose-glacier-point-route-features-20260926.geojson",
            "sha256": "e71a49b4b6ef4d9fc7f3dca35cf1b13a834aca949d607ba5a0736eaca1e7457d"
          },
          "route_role": "official_mainline",
          "source_feature_id": "17070",
          "source_feature_name": "McGurk Meadow Trail",
          "source_geometry_id": "{4855F09C-C615-4FA2-B024-F2EA41918CD3}",
          "start_coordinate": {
            "latitude": 37.6704466,
            "longitude": -119.6281212
          },
          "surface": "Native"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-glacier-point-nps-segment-17070",
          "evidence_id": "evidence-yosemite-glacier-point-nps-segment-17070",
          "notes": "",
          "observation_id": "observation-nps-public-trails-glacier-point-20260926",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "geometry/v0/snapshots/nps-yose-glacier-point-route-features-20260926.geojson"
          ],
          "content": "Reviewed NPS Public Trails features provide exact shared endpoints for the Sentinel Dome, Taft Point, and McGurk Meadow paths selected against the official Glacier Point Road trail map.",
          "observation_id": "observation-nps-public-trails-glacier-point-20260926",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-26T00:00:00+00:00",
          "source_id": "source-nps-public-trails-feature-service"
        }
      ],
      "sources": [
        {
          "locator": "https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_Trails/FeatureServer/0",
          "publisher": "National Park Service",
          "source_id": "source-nps-public-trails-feature-service"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "route-segment-yosemite-glacier-point-nps-17070",
      "kind": "route_segment",
      "name": "Glacier Point trail segment 17070"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260926-yosemite-glacier-point-route-graph",
      "evidence_refs": [
        "evidence-yosemite-glacier-point-nps-segment-17070"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-yosemite-glacier-point-nps-segment-17070.json",
      "reason": "Add reviewed Glacier Point Road route topology from the official NPS map and trail service.",
      "record_id": "claim-yosemite-glacier-point-nps-segment-17070",
      "record_type": "claim",
      "summary": "Publish three reviewed Glacier Point Road route graphs and narrow the remaining topology gap."
    }
  ],
  "navigation": {
    "next_id": "claim-yosemite-glacier-point-nps-segment-19778",
    "position": 3802,
    "previous_id": "claim-yosemite-glacier-point-nps-segment-15277",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [
        "geometry/v0/snapshots/nps-yose-glacier-point-route-features-20260926.geojson"
      ],
      "content": "Reviewed NPS Public Trails features provide exact shared endpoints for the Sentinel Dome, Taft Point, and McGurk Meadow paths selected against the official Glacier Point Road trail map.",
      "observation_id": "observation-nps-public-trails-glacier-point-20260926",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-26T00:00:00+00:00",
      "source_id": "source-nps-public-trails-feature-service"
    }
  ],
  "record": {
    "claim_id": "claim-yosemite-glacier-point-nps-segment-17070",
    "evidence_ids": [
      "evidence-yosemite-glacier-point-nps-segment-17070"
    ],
    "predicate": "official_dataset_route_segment",
    "spatial_scope_ids": [
      "scope-glacier-point-road-corridor"
    ],
    "subject_id": "route-segment-yosemite-glacier-point-nps-17070",
    "temporal_scope": null,
    "value": {
      "allowed_uses": "Hiker/Pedestrian",
      "distance_status": "not_published_at_segment_level",
      "end_coordinate": {
        "latitude": 37.679212,
        "longitude": -119.6230128
      },
      "geometry_snapshot": {
        "feature_id": "nps-trail-17070",
        "path": "geometry/v0/snapshots/nps-yose-glacier-point-route-features-20260926.geojson",
        "sha256": "e71a49b4b6ef4d9fc7f3dca35cf1b13a834aca949d607ba5a0736eaca1e7457d"
      },
      "route_role": "official_mainline",
      "source_feature_id": "17070",
      "source_feature_name": "McGurk Meadow Trail",
      "source_geometry_id": "{4855F09C-C615-4FA2-B024-F2EA41918CD3}",
      "start_coordinate": {
        "latitude": 37.6704466,
        "longitude": -119.6281212
      },
      "surface": "Native"
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_Trails/FeatureServer/0",
      "publisher": "National Park Service",
      "source_id": "source-nps-public-trails-feature-service"
    }
  ]
}
