{
  "answerability": "evidence_backed_claims_available",
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    {
      "claim": {
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        ],
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            "feature_ids": [
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              "ebrpd:108"
            ],
            "path": "geometry/v0/snapshots/ebrpd-managed-land-boundaries-20260924.geojson",
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          "coordinate_reference_system": "EPSG:4326",
          "navigation_grade": false
        }
      },
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        {
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          "evidence_id": "evidence-park-round-valley-regional-preserve-boundary-geometry-20260924",
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          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
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          ],
          "content": "EBRPD's open-data layer reports the selected current managed-land polygons; parkland and landbank status remain separate.",
          "observation_id": "observation-managed-land-boundaries-ebrpd-20260924",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-24T22:00:00+00:00",
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      ],
      "sources": [
        {
          "locator": "https://services2.arcgis.com/jeEP9c9zZoQQwtck/arcgis/rest/services/EBRPD_Parks/FeatureServer/0",
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        }
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        "kind": "park",
        "name": "Round Valley Regional Preserve"
      }
    },
    {
      "claim": {
        "claim_id": "claim-round-valley-backpack-reserveamerica",
        "evidence_ids": [
          "evidence-round-valley-backpack-reserveamerica"
        ],
        "predicate": "reserveamerica_campsite_inventory",
        "spatial_scope_ids": [
          "scope-round-valley-regional-preserve"
        ],
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        "temporal_scope": null,
        "value": {
          "facility_id": "110459",
          "products": [
            {
              "maximum_people": 25,
              "minimum_people": 1,
              "product_id": "1165",
              "site_access": "hike_in",
              "site_id": "backpack-camp-round-valley"
            }
          ],
          "season": "year_round"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-round-valley-backpack-reserveamerica",
          "evidence_id": "evidence-round-valley-backpack-reserveamerica",
          "notes": "Live booking product, capacity, and access.",
          "observation_id": "observation-reserveamerica-round-valley-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Facility EB/110459",
            "Product 1165"
          ],
          "content": "ReserveAmerica lists Round Valley Backpack as product 1165, hike-in, capacity 1-25, and year-round. Its generic pets indicator conflicts with the park-specific official dog prohibition; the official restriction controls.",
          "observation_id": "observation-reserveamerica-round-valley-20260922",
          "observed_at": null,
          "observer": "Wayproof browser source review",
          "retrieved_at": "2026-09-22T00:00:00-07:00",
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        }
      ],
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        {
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      ],
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        "entity_id": "facility-reserveamerica-round-valley-110459",
        "kind": "booking_facility",
        "name": "Round Valley ReserveAmerica Facility"
      }
    },
    {
      "claim": {
        "claim_id": "claim-round-valley-hardy-canyon-closure-2026",
        "evidence_ids": [
          "evidence-round-valley-hardy-canyon-closure-2026"
        ],
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        "spatial_scope_ids": [],
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          "ends_on": null,
          "starts_on": null
        },
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          "segment": "Hardy Canyon Trail",
          "source_updated_on": "2026-09-22",
          "status": "closed",
          "until": "further notice"
        }
      },
      "evidence": [
        {
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          "observation_id": "observation-ebrpd-alerts-closures-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Alerts and Closures table"
          ],
          "content": "The district alerts page published the park, trail, facility, and water conditions represented by the associated claims. Entries with insufficient page context were not promoted.",
          "observation_id": "observation-ebrpd-alerts-closures-20260922",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-22T18:30:00+00:00",
          "source_id": "source-ebrpd-alerts-closures"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/alerts-closures",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-alerts-closures"
        }
      ],
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        "entity_id": "park-round-valley-regional-preserve",
        "kind": "park",
        "name": "Round Valley Regional Preserve"
      }
    },
    {
      "claim": {
        "claim_id": "claim-round-valley-visitor-profile",
        "evidence_ids": [
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        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
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        ],
        "subject_id": "park-round-valley-regional-preserve",
        "temporal_scope": null,
        "value": {
          "access": "Marsh Creek Road staging area",
          "accessible_staging_facilities": [
            "restrooms",
            "drinking fountain"
          ],
          "acreage": 2191,
          "activities": [
            "biking",
            "camping",
            "hiking",
            "horseback riding"
          ],
          "address": "19450 Marsh Creek Road, Brentwood, CA",
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            "capacity": 25,
            "facilities": [
              "leveled tent spaces",
              "picnic table",
              "ADA-accessible restroom"
            ],
            "hike_in_miles": 3.6,
            "minimum_advance_business_days": 2,
            "reservation_required": true,
            "water": "normally non-potable and requires boiling, treatment, or filtration; currently unavailable"
          },
          "current_alerts": {
            "as_of": "2026-09-20",
            "backpack_camp_water": "not working until further notice",
            "trail_closure": "Hardy Canyon Trail closed until further notice due to storm damage"
          },
          "dogs_allowed": false,
          "parking_fee_usd": 0,
          "seasonal_gate_hours": "08:00 opening; closing varies from 17:00 to 20:00 by published date bands"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-round-valley-visitor-profile",
          "evidence_id": "evidence-ebrpd-round-valley-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-round-valley-visitor-profile",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Overview",
            "To Reach The Park",
            "Attractions"
          ],
          "content": "The live park page publishes the visitor profile represented by the associated claim, including access, operating information, facilities, and material restrictions.",
          "observation_id": "observation-ebrpd-round-valley-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-round-valley-park-page"
        }
      ],
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        {
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          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-round-valley-park-page"
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      ],
      "subject": {
        "entity_id": "park-round-valley-regional-preserve",
        "kind": "park",
        "name": "Round Valley Regional Preserve"
      }
    }
  ],
  "entity": {
    "entity_id": "park-round-valley-regional-preserve",
    "kind": "park",
    "name": "Round Valley Regional Preserve"
  },
  "gap_details": [],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-preserves-batch-03",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/park-round-valley-regional-preserve.json",
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      "record_id": "park-round-valley-regional-preserve",
      "record_type": "entity",
      "summary": "Add four additional previously uncaptured EBRPD preserve visitor profiles."
    },
    {
      "action": "ADD",
      "change_set_id": "change-managed-land-boundary-backfill-20260924",
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      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-park-round-valley-regional-preserve-boundary-geometry-20260924.json",
      "reason": "Backfill reviewed managed-land boundary geometry",
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      "record_type": "claim",
      "summary": "Backfill reviewed boundary geometry for every published park, national park, and wilderness entity"
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260922-parks-deep-batch-06-backpack-camps",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-round-valley-backpack-reserveamerica.json",
      "reason": "Publish source-backed Black Diamond, Morgan Territory, and Round Valley camping knowledge through the existing canonical lifecycle.",
      "record_id": "claim-round-valley-backpack-reserveamerica",
      "record_type": "claim",
      "summary": "Deepen Black Diamond, Morgan Territory, and Round Valley camping knowledge."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260922-ebrpd-current-conditions",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-round-valley-hardy-canyon-closure-2026.json",
      "reason": "Materialize an unambiguous actionable condition from the district alerts page.",
      "record_id": "claim-round-valley-hardy-canyon-closure-2026",
      "record_type": "claim",
      "summary": "Materialize current EBRPD closures and water disruptions for pre-trip rechecks."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-preserves-batch-03",
      "evidence_refs": [
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      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-round-valley-visitor-profile.json",
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      "summary": "Add four additional previously uncaptured EBRPD preserve visitor profiles."
    }
  ],
  "journey": [],
  "knowledge_gaps": [],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
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      ],
      "object_id": "park-round-valley-regional-preserve",
      "predicate": "located_in",
      "relationship_id": "relationship-round-valley-backpack-in-park",
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    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}