{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-tuolumne-current-access-20260925",
        "evidence_ids": [
          "evidence-tuolumne-current-access-20260925"
        ],
        "predicate": "dated_operational_status",
        "spatial_scope_ids": [
          "scope-tuolumne-meadows"
        ],
        "subject_id": "place-tuolumne-meadows",
        "temporal_scope": {
          "ends_on": "2026-09-25",
          "starts_on": "2026-09-25"
        },
        "value": {
          "alternate_trail": "available",
          "as_of": "2026-09-25",
          "olmsted_point_to_tioga_pass_weekday_delay_minutes": 15,
          "requires_current_recheck": true,
          "tioga_road": "open",
          "tuolumne_meadows_delay_minutes": 10,
          "wilderness_center_to_lembert_trail": "closed_for_construction"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-tuolumne-current-access-20260925",
          "evidence_id": "evidence-tuolumne-current-access-20260925",
          "notes": "",
          "observation_id": "observation-nps-yosemite-tuolumne-conditions-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "On September 25, 2026 the NPS current-conditions page showed Tioga Road open with Tuolumne/Olmsted-to-Tioga delays and a construction closure of the trail between the wilderness center and Lembert Dome, with an alternate trail available.",
          "observation_id": "observation-nps-yosemite-tuolumne-conditions-20260925",
          "observed_at": "2026-09-25T00:00:00+00:00",
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-conditions"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/conditions.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-conditions"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "place-tuolumne-meadows",
      "kind": "place",
      "name": "Tuolumne Meadows"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-tuolumne-meadows-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/observations/observation-nps-yosemite-tuolumne-conditions-20260925.json",
      "reason": "Add reviewed Tuolumne Meadows planning depth.",
      "record_id": "observation-nps-yosemite-tuolumne-conditions-20260925",
      "record_type": "observation",
      "summary": "Add NPS-sourced Tuolumne Meadows day-hike, access, facility, objective, operational, and reviewed map-point depth."
    }
  ],
  "navigation": {
    "next_id": "observation-nps-yosemite-tuolumne-day-hikes-20260925",
    "position": 919,
    "previous_id": "observation-nps-yosemite-transportation-20260926",
    "total": 1318
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "On September 25, 2026 the NPS current-conditions page showed Tioga Road open with Tuolumne/Olmsted-to-Tioga delays and a construction closure of the trail between the wilderness center and Lembert Dome, with an alternate trail available.",
      "observation_id": "observation-nps-yosemite-tuolumne-conditions-20260925",
      "observed_at": "2026-09-25T00:00:00+00:00",
      "observer": "",
      "retrieved_at": "2026-09-25T00:00:00+00:00",
      "source_id": "source-nps-yosemite-conditions"
    }
  ],
  "record": {
    "artifact_refs": [],
    "content": "On September 25, 2026 the NPS current-conditions page showed Tioga Road open with Tuolumne/Olmsted-to-Tioga delays and a construction closure of the trail between the wilderness center and Lembert Dome, with an alternate trail available.",
    "observation_id": "observation-nps-yosemite-tuolumne-conditions-20260925",
    "observed_at": "2026-09-25T00:00:00+00:00",
    "observer": "",
    "retrieved_at": "2026-09-25T00:00:00+00:00",
    "source_id": "source-nps-yosemite-conditions"
  },
  "record_type": "observation",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.nps.gov/yose/planyourvisit/conditions.htm",
      "publisher": "National Park Service",
      "source_id": "source-nps-yosemite-conditions"
    }
  ]
}