{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-emigrant-northern-waterhouse-waterhouse-lake-conditions",
        "evidence_ids": [
          "evidence-emigrant-northern-waterhouse-waterhouse-lake-conditions"
        ],
        "predicate": "pretrip_current_conditions_recheck",
        "spatial_scope_ids": [
          "scope-route-emigrant-waterhouse-waterhouse-lake"
        ],
        "subject_id": "route-emigrant-waterhouse-waterhouse-lake",
        "temporal_scope": null,
        "value": {
          "current_status": "unknown",
          "required": true,
          "topics": [
            "access roads",
            "trail and crossings",
            "water",
            "fire restrictions",
            "snow and closures"
          ]
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-northern-waterhouse-waterhouse-lake-conditions",
          "evidence_id": "evidence-emigrant-northern-waterhouse-waterhouse-lake-conditions",
          "notes": "",
          "observation_id": "observation-emigrant-northern-waterhouse-waterhouse-lake-conditions",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Check current Forest Service orders and conditions against the selected access and intended itinerary. Historical map connections do not establish current crossings, snow, water, fire restrictions or trail clearance.",
          "observation_id": "observation-emigrant-northern-waterhouse-waterhouse-lake-conditions",
          "observed_at": null,
          "observer": "Wayproof primary-source text, geospatial map and named-feature review",
          "retrieved_at": "2026-10-06T15:34:28+00:00",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "route-emigrant-waterhouse-waterhouse-lake",
      "kind": "route",
      "name": "Waterhouse Trailhead to Waterhouse Lake"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20261006-emigrant-northern-coverage",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/observations/observation-emigrant-northern-waterhouse-waterhouse-lake-conditions.json",
      "reason": "Add bounded northern approaches, geometry and historical access evidence; preserve unresolved planning limits.",
      "record_id": "observation-emigrant-northern-waterhouse-waterhouse-lake-conditions",
      "record_type": "observation",
      "summary": "Add six northern Emigrant approaches, four with reviewed display geometry, plus distinct historical facilities and access conflicts."
    }
  ],
  "navigation": {
    "next_id": "observation-emigrant-northern-waterhouse-waterhouse-lake-profile",
    "position": 704,
    "previous_id": "observation-emigrant-northern-waterhouse-topology",
    "total": 1318
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "Check current Forest Service orders and conditions against the selected access and intended itinerary. Historical map connections do not establish current crossings, snow, water, fire restrictions or trail clearance.",
      "observation_id": "observation-emigrant-northern-waterhouse-waterhouse-lake-conditions",
      "observed_at": null,
      "observer": "Wayproof primary-source text, geospatial map and named-feature review",
      "retrieved_at": "2026-10-06T15:34:28+00:00",
      "source_id": "source-usfs-emigrant-alerts"
    }
  ],
  "record": {
    "artifact_refs": [],
    "content": "Check current Forest Service orders and conditions against the selected access and intended itinerary. Historical map connections do not establish current crossings, snow, water, fire restrictions or trail clearance.",
    "observation_id": "observation-emigrant-northern-waterhouse-waterhouse-lake-conditions",
    "observed_at": null,
    "observer": "Wayproof primary-source text, geospatial map and named-feature review",
    "retrieved_at": "2026-10-06T15:34:28+00:00",
    "source_id": "source-usfs-emigrant-alerts"
  },
  "record_type": "observation",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
      "publisher": "USDA Forest Service, Stanislaus National Forest",
      "source_id": "source-usfs-emigrant-alerts"
    }
  ]
}