{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-black-diamond-camps-reserveamerica",
        "evidence_ids": [
          "evidence-black-diamond-camps-reserveamerica"
        ],
        "predicate": "reserveamerica_campsite_inventory",
        "spatial_scope_ids": [
          "scope-black-diamond-mines-regional-preserve"
        ],
        "subject_id": "facility-reserveamerica-black-diamond-110452",
        "temporal_scope": null,
        "value": {
          "facility_id": "110452",
          "products": [
            {
              "maximum_people": 35,
              "product_id": "1101",
              "site_id": "group-camp-black-diamond-star-mine"
            },
            {
              "maximum_people": 20,
              "product_id": "1102",
              "site_id": "backpack-camp-black-diamond-stewartville"
            }
          ]
        }
      },
      "evidence": [
        {
          "claim_id": "claim-black-diamond-camps-reserveamerica",
          "evidence_id": "evidence-black-diamond-camps-reserveamerica",
          "notes": "Live booking inventory product mappings.",
          "observation_id": "observation-reserveamerica-black-diamond-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Facility EB/110452",
            "Products 1101-1102"
          ],
          "content": "ReserveAmerica lists Star Mine as product 1101 (35) and Stewartville as product 1102 (20), with Stewartville closed November 1 through March 31.",
          "observation_id": "observation-reserveamerica-black-diamond-20260922",
          "observed_at": null,
          "observer": "Wayproof browser source review",
          "retrieved_at": "2026-09-22T00:00:00-07:00",
          "source_id": "source-reserveamerica-black-diamond-campsites"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/black-diamond-mines-regional-preserve/EB/110452/campsites",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-black-diamond-campsites"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-black-diamond-stewartville-seasonal-closure-2026-2027",
        "evidence_ids": [
          "evidence-black-diamond-stewartville-seasonal-closure"
        ],
        "predicate": "operating_status",
        "spatial_scope_ids": [
          "scope-black-diamond-stewartville-backpack-camp"
        ],
        "subject_id": "backpack-camp-black-diamond-stewartville",
        "temporal_scope": {
          "ends_on": "2027-03-31",
          "starts_on": "2026-11-01"
        },
        "value": {
          "reason": "published seasonal closure; dates subject to change",
          "status": "closed"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-black-diamond-stewartville-seasonal-closure-2026-2027",
          "evidence_id": "evidence-black-diamond-stewartville-seasonal-closure",
          "notes": "ReserveAmerica publishes the closure window.",
          "observation_id": "observation-reserveamerica-black-diamond-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Facility EB/110452",
            "Products 1101-1102"
          ],
          "content": "ReserveAmerica lists Star Mine as product 1101 (35) and Stewartville as product 1102 (20), with Stewartville closed November 1 through March 31.",
          "observation_id": "observation-reserveamerica-black-diamond-20260922",
          "observed_at": null,
          "observer": "Wayproof browser source review",
          "retrieved_at": "2026-09-22T00:00:00-07:00",
          "source_id": "source-reserveamerica-black-diamond-campsites"
        }
      ],
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        {
          "locator": "https://www.reserveamerica.com/explore/black-diamond-mines-regional-preserve/EB/110452/campsites",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-black-diamond-campsites"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "backpack-camp-black-diamond-stewartville",
      "kind": "backcountry_camp",
      "name": "Stewartville Backpack Camp"
    },
    {
      "entity_id": "facility-reserveamerica-black-diamond-110452",
      "kind": "booking_facility",
      "name": "Black Diamond Mines ReserveAmerica Facility"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260922-parks-deep-batch-06-backpack-camps",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/observations/observation-reserveamerica-black-diamond-20260922.json",
      "reason": "Publish source-backed Black Diamond, Morgan Territory, and Round Valley camping knowledge through the existing canonical lifecycle.",
      "record_id": "observation-reserveamerica-black-diamond-20260922",
      "record_type": "observation",
      "summary": "Deepen Black Diamond, Morgan Territory, and Round Valley camping knowledge."
    }
  ],
  "navigation": {
    "next_id": "observation-reserveamerica-briones-20260922",
    "position": 983,
    "previous_id": "observation-reserveamerica-anthony-chabot-20260921",
    "total": 1318
  },
  "observations": [
    {
      "artifact_refs": [
        "Facility EB/110452",
        "Products 1101-1102"
      ],
      "content": "ReserveAmerica lists Star Mine as product 1101 (35) and Stewartville as product 1102 (20), with Stewartville closed November 1 through March 31.",
      "observation_id": "observation-reserveamerica-black-diamond-20260922",
      "observed_at": null,
      "observer": "Wayproof browser source review",
      "retrieved_at": "2026-09-22T00:00:00-07:00",
      "source_id": "source-reserveamerica-black-diamond-campsites"
    }
  ],
  "record": {
    "artifact_refs": [
      "Facility EB/110452",
      "Products 1101-1102"
    ],
    "content": "ReserveAmerica lists Star Mine as product 1101 (35) and Stewartville as product 1102 (20), with Stewartville closed November 1 through March 31.",
    "observation_id": "observation-reserveamerica-black-diamond-20260922",
    "observed_at": null,
    "observer": "Wayproof browser source review",
    "retrieved_at": "2026-09-22T00:00:00-07:00",
    "source_id": "source-reserveamerica-black-diamond-campsites"
  },
  "record_type": "observation",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.reserveamerica.com/explore/black-diamond-mines-regional-preserve/EB/110452/campsites",
      "publisher": "ReserveAmerica / East Bay Regional Park District",
      "source_id": "source-reserveamerica-black-diamond-campsites"
    }
  ]
}