{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-trailhead-tamarack-lakes-rock-creek-map-point",
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        "predicate": "reviewed_access_point_coordinate",
        "spatial_scope_ids": [],
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        "temporal_scope": null,
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      "evidence": [
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          "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"
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      ],
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        {
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          "source_id": "source-usgs-national-digital-trails-eastern-sierra-20260924"
        }
      ],
      "subject": {
        "entity_id": "trailhead-tamarack-lakes-rock-creek",
        "kind": "trailhead",
        "name": "Tamarack Lakes Trailhead at Rock Creek Lake"
      }
    }
  ],
  "entity": {
    "entity_id": "trailhead-tamarack-lakes-rock-creek",
    "kind": "trailhead",
    "name": "Tamarack Lakes Trailhead at Rock Creek Lake"
  },
  "gap_details": [],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-rock-creek-corridor-principal-routes",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/trailhead-tamarack-lakes-rock-creek.json",
      "reason": "Publish the official Rock Creek corridor, principal distance-bearing hiking topology, reviewed geometry, and Mosquito Flat overnight-permit boundary.",
      "record_id": "trailhead-tamarack-lakes-rock-creek",
      "record_type": "entity",
      "summary": "Add the Rock Creek developed corridor, five principal bidirectional hiking routes with reviewed GeoJSON, Mosquito Flat access, overnight permit and food-storage requirements, and explicit unresolved spur/current-condition gaps."
    },
    {
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      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-trailhead-tamarack-lakes-rock-creek-map-point.json",
      "reason": "Publish reviewed East Side access points without inferring access from proximity.",
      "record_id": "claim-trailhead-tamarack-lakes-rock-creek-map-point",
      "record_type": "claim",
      "summary": "Publish 13 evidenced East Side trail access points and preserve three unresolved connector or identity questions."
    }
  ],
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  "knowledge_gaps": [],
  "reference_evidence": [],
  "relationships": [
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      "relationship_id": "relationship-inyo-manages-trailhead-tamarack-lakes-rock-creek",
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      "relationship_id": "relationship-route-segment-rock-creek-tamarack-01-starts-at",
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      "relationship_id": "relationship-route-tamarack-lakes-rock-creek-starts-at",
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  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}