{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-emigrant-aliases-waterhouse",
        "evidence_ids": [
          "evidence-emigrant-aliases-waterhouse"
        ],
        "predicate": "aliases",
        "spatial_scope_ids": [
          "scope-emigrant-waterhouse"
        ],
        "subject_id": "trailhead-emigrant-waterhouse",
        "temporal_scope": null,
        "value": [
          "Waterhouse"
        ]
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-aliases-waterhouse",
          "evidence_id": "evidence-emigrant-aliases-waterhouse",
          "notes": "",
          "observation_id": "observation-emigrant-aliases-waterhouse",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The source labels this access point Waterhouse Trailhead; alternate source labels: Waterhouse.",
          "observation_id": "observation-emigrant-aliases-waterhouse",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/emigrant-wilderness-trailheads.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "trailhead-emigrant-waterhouse",
      "kind": "trailhead",
      "name": "Waterhouse Trailhead"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20261005-emigrant-foundation",
      "evidence_refs": [
        "evidence-emigrant-aliases-waterhouse"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-emigrant-aliases-waterhouse.json",
      "reason": "Establish source-backed Emigrant planning foundation with explicit uncertainty.",
      "record_id": "claim-emigrant-aliases-waterhouse",
      "record_type": "claim",
      "summary": "Establish Emigrant Wilderness access and overnight planning foundation; preserve USFS conflicts and current-condition gaps."
    }
  ],
  "navigation": {
    "next_id": "claim-emigrant-approach-recheck-bell-meadow",
    "position": 292,
    "previous_id": "claim-emigrant-aliases-sonora-pass",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The source labels this access point Waterhouse Trailhead; alternate source labels: Waterhouse.",
      "observation_id": "observation-emigrant-aliases-waterhouse",
      "observed_at": null,
      "observer": "Wayproof primary-source review",
      "retrieved_at": "2026-10-05T22:09:18+00:00",
      "source_id": "source-usfs-emigrant-trailheads"
    }
  ],
  "record": {
    "claim_id": "claim-emigrant-aliases-waterhouse",
    "evidence_ids": [
      "evidence-emigrant-aliases-waterhouse"
    ],
    "predicate": "aliases",
    "spatial_scope_ids": [
      "scope-emigrant-waterhouse"
    ],
    "subject_id": "trailhead-emigrant-waterhouse",
    "temporal_scope": null,
    "value": [
      "Waterhouse"
    ]
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/emigrant-wilderness-trailheads.pdf",
      "publisher": "USDA Forest Service, Stanislaus National Forest",
      "source_id": "source-usfs-emigrant-trailheads"
    }
  ]
}