{
  "answerability": "no_direct_claims_published",
  "claims": [],
  "entity": {
    "entity_id": "trailhead-boiling-springs-lake",
    "kind": "trailhead",
    "name": "Boiling Springs Lake parking area"
  },
  "gap_details": [],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-lassen-destinations-route-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/trailhead-boiling-springs-lake.json",
      "reason": "Publish official-source Lassen destination identities, named hiking routes, evidenced starts, route profiles, and route-condition rechecks without inventing segment topology.",
      "record_id": "trailhead-boiling-springs-lake",
      "record_type": "entity",
      "summary": "Add official-source Lassen destinations, named hiking routes, evidenced trailheads, route profiles, and route-condition rechecks while preserving the remaining segment-topology gap."
    }
  ],
  "journey": [],
  "knowledge_gaps": [],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-boiling-springs-lake-trail-profile"
      ],
      "object_id": "trailhead-boiling-springs-lake",
      "predicate": "starts_at",
      "relationship_id": "relationship-route-boiling-springs-lake-trail-starts-at-trailhead-boiling-springs-lake",
      "subject_id": "route-boiling-springs-lake-trail",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}