{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-cinder-cone-official-trailhead-coordinate",
        "evidence_ids": [
          "evidence-cinder-cone-official-trailhead-coordinate"
        ],
        "predicate": "official_mapped_coordinate",
        "spatial_scope_ids": [
          "scope-route-cinder-cone-trail"
        ],
        "subject_id": "trailhead-cinder-cone-butte-lake",
        "temporal_scope": null,
        "value": {
          "alternate_name": "Butte Lake West Trailhead",
          "latitude": 40.563788,
          "longitude": -121.30221,
          "map_id": "40993263-b62b-4118-94c1-983fd352e367",
          "parking_is_separate_mapped_entity": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-cinder-cone-official-trailhead-coordinate",
          "evidence_id": "evidence-cinder-cone-official-trailhead-coordinate",
          "notes": "",
          "observation_id": "observation-nps-lassen-cinder-cone-map-20210331-20260923",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The public NPS Cinder Cone embedded-map configuration identifies the Cinder Cone Trailhead (alternate name Butte Lake West Trailhead) through its NPS Carto overlay at latitude 40.563788 and longitude -121.302210. It separately identifies Butte Lake Parking, so the trailhead and parking lot are not silently collapsed.",
          "observation_id": "observation-nps-lassen-cinder-cone-map-20210331-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T16:00:00+00:00",
          "source_id": "source-nps-lassen-cinder-cone-map-20210331"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/maps/builder/configs/40993263-b62b-4118-94c1-983fd352e367.jsonp",
          "publisher": "National Park Service",
          "source_id": "source-nps-lassen-cinder-cone-map-20210331"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "trailhead-cinder-cone-butte-lake",
      "kind": "trailhead",
      "name": "Cinder Cone trailhead at Butte Lake"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph",
      "evidence_refs": [
        "evidence-cinder-trailhead-nobles-junction",
        "evidence-cinder-nobles-junction-base-fork",
        "evidence-cinder-base-fork-summit",
        "evidence-cinder-cone-official-trailhead-coordinate",
        "evidence-cinder-cone-route-detail",
        "evidence-cinder-cone-source-profile-variation",
        "evidence-cinder-cone-source-profile-variation-nps"
      ],
      "knowledge_gap_refs": [
        "gap-lassen-cinder-rim-crater-circulation",
        "gap-lassen-cinder-source-profile-variation",
        "gap-lassen-specific-route-topology"
      ],
      "path": "canonical/v0/claims/claim-cinder-cone-official-trailhead-coordinate.json",
      "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.",
      "record_id": "claim-cinder-cone-official-trailhead-coordinate",
      "record_type": "claim",
      "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty."
    }
  ],
  "navigation": {
    "next_id": "claim-cinder-cone-route-detail",
    "position": 77,
    "previous_id": "claim-chilnualna-falls-published-profile",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The public NPS Cinder Cone embedded-map configuration identifies the Cinder Cone Trailhead (alternate name Butte Lake West Trailhead) through its NPS Carto overlay at latitude 40.563788 and longitude -121.302210. It separately identifies Butte Lake Parking, so the trailhead and parking lot are not silently collapsed.",
      "observation_id": "observation-nps-lassen-cinder-cone-map-20210331-20260923",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-23T16:00:00+00:00",
      "source_id": "source-nps-lassen-cinder-cone-map-20210331"
    }
  ],
  "record": {
    "claim_id": "claim-cinder-cone-official-trailhead-coordinate",
    "evidence_ids": [
      "evidence-cinder-cone-official-trailhead-coordinate"
    ],
    "predicate": "official_mapped_coordinate",
    "spatial_scope_ids": [
      "scope-route-cinder-cone-trail"
    ],
    "subject_id": "trailhead-cinder-cone-butte-lake",
    "temporal_scope": null,
    "value": {
      "alternate_name": "Butte Lake West Trailhead",
      "latitude": 40.563788,
      "longitude": -121.30221,
      "map_id": "40993263-b62b-4118-94c1-983fd352e367",
      "parking_is_separate_mapped_entity": true
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.nps.gov/maps/builder/configs/40993263-b62b-4118-94c1-983fd352e367.jsonp",
      "publisher": "National Park Service",
      "source_id": "source-nps-lassen-cinder-cone-map-20210331"
    }
  ]
}