{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-route-segment-sabrina-blue-lake-02",
        "evidence_ids": [
          "evidence-route-segment-sabrina-blue-lake-02"
        ],
        "predicate": "official_dataset_route_segment",
        "spatial_scope_ids": [
          "scope-route-sabrina-blue-lake"
        ],
        "subject_id": "route-segment-sabrina-blue-lake-02",
        "temporal_scope": null,
        "value": {
          "coordinate_reference_system": "EPSG:4326",
          "dataset_feature_id": "{6A9DF0BF-0EAF-428F-9A2E-83EC0DE68B37}",
          "dataset_feature_name": "SABRINA BASIN",
          "dataset_field": "lengthmiles",
          "distance_miles": 0.6686805200000001,
          "distance_status": "known",
          "end_coordinate": {
            "latitude": 37.20663973147426,
            "longitude": -118.61629932550952
          },
          "geometry_snapshot": {
            "feature_id": "{6A9DF0BF-0EAF-428F-9A2E-83EC0DE68B37}",
            "path": "geometry/v0/snapshots/usgs-bishop-creek-routes-20260924.geojson",
            "sha256": "abe24426d95f9c8367959b69bf0b655a1aaca4bbb1c48ec6b542709bd0358f45"
          },
          "route_role": "official_mainline",
          "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}",
          "source_edit_date": 1774742400000,
          "source_feature_id": "5481",
          "source_load_date": 1777310283000,
          "source_originator": "U.S. Forest Service",
          "start_coordinate": {
            "latitude": 37.212801332505954,
            "longitude": -118.61008434285186
          }
        }
      },
      "evidence": [
        {
          "claim_id": "claim-route-segment-sabrina-blue-lake-02",
          "evidence_id": "evidence-route-segment-sabrina-blue-lake-02",
          "notes": "",
          "observation_id": "observation-usgs-bishop-creek-routes-20260924",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "geometry/v0/snapshots/usgs-bishop-creek-routes-20260924.geojson",
            "abe24426d95f9c8367959b69bf0b655a1aaca4bbb1c48ec6b542709bd0358f45"
          ],
          "content": "A bounded National Digital Trails query returned four connected Sabrina Basin features between the Lake Sabrina trailhead and the GNIS Blue Lake point, plus three connected Piute Pass features between the North Lake trailhead and the GNIS Piute Pass point. Seven selected public-domain features are retained in a versioned snapshot.",
          "observation_id": "observation-usgs-bishop-creek-routes-20260924",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-24T22:00:00+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"
        }
      ],
      "subject": {
        "entity_id": "route-segment-sabrina-blue-lake-02",
        "kind": "route_segment",
        "name": "Sabrina Basin to Blue Lake segment 2"
      }
    }
  ],
  "entity": {
    "entity_id": "route-segment-sabrina-blue-lake-02",
    "kind": "route_segment",
    "name": "Sabrina Basin to Blue Lake segment 2"
  },
  "gap_details": [],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260924-bishop-creek-route-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/route-segment-sabrina-blue-lake-02.json",
      "reason": "Add source-backed Blue Lake and Piute Pass topology, geometry, and trip-distance implications.",
      "record_id": "route-segment-sabrina-blue-lake-02",
      "record_type": "entity",
      "summary": "Add connected Blue Lake and Piute Pass route geometry, retain the North Lake parking approach, and narrow the unresolved Bishop Creek distance gap."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260924-bishop-creek-route-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-route-segment-sabrina-blue-lake-02.json",
      "reason": "Add source-backed Blue Lake and Piute Pass topology, geometry, and trip-distance implications.",
      "record_id": "claim-route-segment-sabrina-blue-lake-02",
      "record_type": "claim",
      "summary": "Add connected Blue Lake and Piute Pass route geometry, retain the North Lake parking approach, and narrow the unresolved Bishop Creek distance gap."
    }
  ],
  "journey": [],
  "knowledge_gaps": [],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-route-segment-sabrina-blue-lake-02"
      ],
      "object_id": "route-node-sabrina-blue-lake-02",
      "predicate": "ends_at",
      "relationship_id": "relationship-route-segment-sabrina-blue-lake-02-ends-at",
      "subject_id": "route-segment-sabrina-blue-lake-02",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-route-segment-sabrina-blue-lake-02"
      ],
      "object_id": "route-sabrina-blue-lake",
      "predicate": "part_of",
      "relationship_id": "relationship-route-segment-sabrina-blue-lake-02-part-of-sabrina-blue-lake",
      "subject_id": "route-segment-sabrina-blue-lake-02",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-route-segment-sabrina-blue-lake-02"
      ],
      "object_id": "route-node-sabrina-blue-lake-01",
      "predicate": "starts_at",
      "relationship_id": "relationship-route-segment-sabrina-blue-lake-02-starts-at",
      "subject_id": "route-segment-sabrina-blue-lake-02",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}