{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-yosemite-entry-porcupine-creek-scope-2026",
        "evidence_ids": [
          "evidence-yosemite-entry-porcupine-creek-scope-2026"
        ],
        "predicate": "permit_scope",
        "spatial_scope_ids": [
          "scope-yosemite-wilderness"
        ],
        "subject_id": "permit-yosemite-entry-porcupine-creek",
        "temporal_scope": {
          "ends_on": "2026-12-31",
          "starts_on": "2026-01-01"
        },
        "value": {
          "cross_country": false,
          "donohue_pass_eligible": false,
          "half_dome_eligible": false,
          "issuing_station": "Big Oak Flat Information Station",
          "notes": "",
          "official_entry_name": "Porcupine Creek",
          "region": "Tioga Road west of Olmsted Point",
          "reservation_window_2026": "June 18 through October 14, 2026",
          "travel_mode": "summer hiking"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-entry-porcupine-creek-scope-2026",
          "evidence_id": "evidence-yosemite-entry-porcupine-creek-scope-2026",
          "notes": "",
          "observation_id": "observation-nps-yosemite-wilderness-trailhead-matrix-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS publishes 2026 regional permit-entry names, advance and week-ahead quotas, toilet types, parking notes, Half Dome and Donohue Pass eligibility, winter-only entries, cross-country entries, and food-locker exceptions.",
          "observation_id": "observation-nps-yosemite-wilderness-trailhead-matrix-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-wilderness-trailhead-information-2026"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/trailheads.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-wilderness-trailhead-information-2026"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "permit-yosemite-entry-porcupine-creek",
      "kind": "permit_product",
      "name": "Yosemite permit entry: Porcupine Creek"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-yosemite-wilderness-trailheads",
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        "evidence-yosemite-entry-porcupine-creek-scope-2026"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-yosemite-entry-porcupine-creek-scope-2026.json",
      "reason": "Add the official Yosemite wilderness permit-entry and quota matrix.",
      "record_id": "claim-yosemite-entry-porcupine-creek-scope-2026",
      "record_type": "claim",
      "summary": "Add the complete official 2026 Yosemite wilderness permit-entry matrix, quotas, eligibility, operational context, and explicit unresolved physical-topology gaps."
    }
  ],
  "navigation": {
    "next_id": "claim-yosemite-entry-rafferty-creek-to-vogelsang-operations-2026",
    "position": 3744,
    "previous_id": "claim-yosemite-entry-porcupine-creek-quota-2026",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "NPS publishes 2026 regional permit-entry names, advance and week-ahead quotas, toilet types, parking notes, Half Dome and Donohue Pass eligibility, winter-only entries, cross-country entries, and food-locker exceptions.",
      "observation_id": "observation-nps-yosemite-wilderness-trailhead-matrix-20260925",
      "observed_at": null,
      "observer": "",
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      "source_id": "source-nps-yosemite-wilderness-trailhead-information-2026"
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  ],
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      "evidence-yosemite-entry-porcupine-creek-scope-2026"
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      "starts_on": "2026-01-01"
    },
    "value": {
      "cross_country": false,
      "donohue_pass_eligible": false,
      "half_dome_eligible": false,
      "issuing_station": "Big Oak Flat Information Station",
      "notes": "",
      "official_entry_name": "Porcupine Creek",
      "region": "Tioga Road west of Olmsted Point",
      "reservation_window_2026": "June 18 through October 14, 2026",
      "travel_mode": "summer hiking"
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.nps.gov/yose/planyourvisit/trailheads.htm",
      "publisher": "National Park Service",
      "source_id": "source-nps-yosemite-wilderness-trailhead-information-2026"
    }
  ]
}