{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-happy-isles-mirror-lake-parking-restriction",
        "evidence_ids": [
          "evidence-happy-isles-mirror-lake-parking-restriction"
        ],
        "predicate": "trailhead_parking_restriction",
        "spatial_scope_ids": [
          "scope-yosemite-valley"
        ],
        "subject_id": "place-yosemite-valley",
        "temporal_scope": null,
        "value": {
          "parking_unavailable_at": [
            "trailhead-happy-isles",
            "trailhead-mirror-lake"
          ],
          "use": [
            "access-yosemite-valley-trailhead-parking",
            "access-curry-village-east-lot",
            "Yosemite Valley shuttle"
          ]
        }
      },
      "evidence": [
        {
          "claim_id": "claim-happy-isles-mirror-lake-parking-restriction",
          "evidence_id": "evidence-happy-isles-mirror-lake-parking-restriction",
          "notes": "",
          "observation_id": "observation-nps-yosemite-valley-trailheads-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS identifies Yosemite Valley wilderness trailheads, toilet types, food-locker and parking notes, and explicitly states that parking is unavailable at Happy Isles and Mirror Lake.",
          "observation_id": "observation-nps-yosemite-valley-trailheads-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-trailhead-info-2026"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/trailheads.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-trailhead-info-2026"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "place-yosemite-valley",
      "kind": "place",
      "name": "Yosemite Valley"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-yosemite-valley-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/observations/observation-nps-yosemite-valley-trailheads-20260925.json",
      "reason": "Add reviewed Yosemite Valley planning depth.",
      "record_id": "observation-nps-yosemite-valley-trailheads-20260925",
      "record_type": "observation",
      "summary": "Add official-source Yosemite Valley day-use routes, access, facilities, objectives, transit context, map points, and explicit unresolved gaps."
    }
  ],
  "navigation": {
    "next_id": "observation-nps-yosemite-valley-trails-20260925",
    "position": 927,
    "previous_id": "observation-nps-yosemite-valley-hiking-map-20260925",
    "total": 1318
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "NPS identifies Yosemite Valley wilderness trailheads, toilet types, food-locker and parking notes, and explicitly states that parking is unavailable at Happy Isles and Mirror Lake.",
      "observation_id": "observation-nps-yosemite-valley-trailheads-20260925",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-25T00:00:00+00:00",
      "source_id": "source-nps-yosemite-trailhead-info-2026"
    }
  ],
  "record": {
    "artifact_refs": [],
    "content": "NPS identifies Yosemite Valley wilderness trailheads, toilet types, food-locker and parking notes, and explicitly states that parking is unavailable at Happy Isles and Mirror Lake.",
    "observation_id": "observation-nps-yosemite-valley-trailheads-20260925",
    "observed_at": null,
    "observer": "",
    "retrieved_at": "2026-09-25T00:00:00+00:00",
    "source_id": "source-nps-yosemite-trailhead-info-2026"
  },
  "record_type": "observation",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.nps.gov/yose/planyourvisit/trailheads.htm",
      "publisher": "National Park Service",
      "source_id": "source-nps-yosemite-trailhead-info-2026"
    }
  ]
}