{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-north-fork-route-character",
        "evidence_ids": [
          "evidence-north-fork-route-character"
        ],
        "predicate": "route_character",
        "spatial_scope_ids": [
          "scope-route-north-fork-lone-pine"
        ],
        "subject_id": "route-north-fork-lone-pine",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2026-09-20"
        },
        "value": {
          "difficult_to_follow": true,
          "rugged": true,
          "steep": true,
          "technical_approaches": [
            "Mountaineers Route",
            "East Face",
            "East Ridge",
            "Fishhook Arete"
          ],
          "third_class_travel": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-north-fork-route-character",
          "evidence_id": "evidence-north-fork-route-character",
          "notes": "",
          "observation_id": "observation-usfs-north-fork-lone-pine",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Official trail guide describes the North Fork as steep, rugged, difficult to follow, and serving technical climbing approaches.",
          "observation_id": "observation-usfs-north-fork-lone-pine",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-usfs-north-fork-lone-pine"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fseprd498767.pdf",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-north-fork-lone-pine"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "route-north-fork-lone-pine",
      "kind": "route",
      "name": "North Fork of Lone Pine Creek"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-sierra-reference-fixtures",
      "evidence_refs": [
        "evidence-north-fork-route-character"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-north-fork-route-character.json",
      "reason": "Publish the official-source Williamson/Tyndall and Whitney reference fixtures with route- and activity-specific permit semantics.",
      "record_id": "claim-north-fork-route-character",
      "record_type": "claim",
      "summary": "Add official-source Williamson/Tyndall shared-access and Whitney route/activity permit fixtures."
    }
  ],
  "navigation": {
    "next_id": "claim-north-lake-access-profile",
    "position": 1104,
    "previous_id": "claim-north-fork-quota",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "Official trail guide describes the North Fork as steep, rugged, difficult to follow, and serving technical climbing approaches.",
      "observation_id": "observation-usfs-north-fork-lone-pine",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-usfs-north-fork-lone-pine"
    }
  ],
  "record": {
    "claim_id": "claim-north-fork-route-character",
    "evidence_ids": [
      "evidence-north-fork-route-character"
    ],
    "predicate": "route_character",
    "spatial_scope_ids": [
      "scope-route-north-fork-lone-pine"
    ],
    "subject_id": "route-north-fork-lone-pine",
    "temporal_scope": {
      "ends_on": null,
      "starts_on": "2026-09-20"
    },
    "value": {
      "difficult_to_follow": true,
      "rugged": true,
      "steep": true,
      "technical_approaches": [
        "Mountaineers Route",
        "East Face",
        "East Ridge",
        "Fishhook Arete"
      ],
      "third_class_travel": true
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fseprd498767.pdf",
      "publisher": "USDA Forest Service",
      "source_id": "source-usfs-north-fork-lone-pine"
    }
  ]
}