{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-garin-arroyo-flats-profile",
        "evidence_ids": [
          "evidence-garin-arroyo-flats-official-profile"
        ],
        "predicate": "site_inventory",
        "spatial_scope_ids": [
          "scope-garin-arroyo-flats-group-camp"
        ],
        "subject_id": "group-camp-garin-arroyo-flats",
        "temporal_scope": null,
        "value": {
          "chemical_toilets": 2,
          "double_bbq": 1,
          "drinking_fountain": true,
          "fire_circle": true,
          "maximum_people": 75,
          "minimum_advance_business_days": 3,
          "minimum_people": 25,
          "reservation_channel": "phone",
          "site_type": "primitive_group_camp",
          "tables_10ft": 5
        }
      },
      "evidence": [
        {
          "claim_id": "claim-garin-arroyo-flats-profile",
          "evidence_id": "evidence-garin-arroyo-flats-official-profile",
          "notes": "The official park page directly publishes capacity, facilities, lead time, hours, and fees.",
          "observation_id": "observation-ebrpd-garin-camping-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Camping",
            "Hours",
            "Fees"
          ],
          "content": "The official Garin page describes Arroyo Flats as a reservable group campsite for 25 through 75 people with five 10-foot tables, a double BBQ, drinking fountain, fire circle with benches, and two chemical toilets. Reservations must be made at least three business days in advance by phone. It also publishes seasonal gate hours, a 10pm-5am curfew, and park-entry fees.",
          "observation_id": "observation-ebrpd-garin-camping-20260922",
          "observed_at": null,
          "observer": "Wayproof web source review",
          "retrieved_at": "2026-09-22T00:00:00-07:00",
          "source_id": "source-ebrpd-garin-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/garin",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-garin-park-page"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-garin-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-garin-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-garin-regional-park"
        ],
        "subject_id": "park-garin-regional-park",
        "temporal_scope": null,
        "value": {
          "access": "Garin Avenue entrance and staging area",
          "accessible_facilities": [
            "parking",
            "restrooms at Garin Barn",
            "chemical toilet near Jordan Pond",
            "drinking fountains",
            "0.25–0.5 miles of meadow and picnic service roads"
          ],
          "activities": [
            "biking",
            "camping",
            "dogs",
            "fishing",
            "hiking",
            "horseback riding",
            "kid-friendly",
            "picnicking"
          ],
          "address": "1580 Garin Avenue, Hayward, CA 94544",
          "bus_fee_usd": 25,
          "curfew": "22:00–05:00",
          "fishing": {
            "california_license_required_age": 16,
            "location": "Jordan Pond"
          },
          "group_picnics": {
            "areas": 4,
            "capacity_each": 50,
            "minimum_advance_business_days": 3
          },
          "parking_fee_usd": 5,
          "payment": "cash only",
          "relationship": {
            "adjacent_park": "Dry Creek Pioneer Regional Park",
            "combined_acres": 5857,
            "combined_trail_miles_over": 20
          },
          "seasonal_gate_hours": "08:00 opening; closing varies from 18:00 to 21:00 by published date bands",
          "trail_rules": [
            "many unpaved trails suitable for bicycles",
            "motor vehicles prohibited",
            "equestrians have right of way"
          ],
          "trailered_vehicle_fee_usd": 5,
          "visitor_center": "Garin Red Barn; seasonal Sunday hours"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-garin-visitor-profile",
          "evidence_id": "evidence-ebrpd-garin-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-garin-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-garin-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-garin-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/garin",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-garin-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "group-camp-garin-arroyo-flats",
      "kind": "group_campsite",
      "name": "Arroyo Flats Group Camp"
    },
    {
      "entity_id": "park-garin-regional-park",
      "kind": "park",
      "name": "Garin Regional Park"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-parks-batch-08",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-ebrpd-garin-park-page.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD preserve page reviewed on 2026-09-20.",
      "record_id": "source-ebrpd-garin-park-page",
      "record_type": "source",
      "summary": "Add four additional previously uncaptured EBRPD park visitor profiles."
    }
  ],
  "navigation": {
    "next_id": "source-ebrpd-general-brochure-2025",
    "position": 45,
    "previous_id": "source-ebrpd-five-canyons-park-page",
    "total": 587
  },
  "observations": [
    {
      "artifact_refs": [
        "Camping",
        "Hours",
        "Fees"
      ],
      "content": "The official Garin page describes Arroyo Flats as a reservable group campsite for 25 through 75 people with five 10-foot tables, a double BBQ, drinking fountain, fire circle with benches, and two chemical toilets. Reservations must be made at least three business days in advance by phone. It also publishes seasonal gate hours, a 10pm-5am curfew, and park-entry fees.",
      "observation_id": "observation-ebrpd-garin-camping-20260922",
      "observed_at": null,
      "observer": "Wayproof web source review",
      "retrieved_at": "2026-09-22T00:00:00-07:00",
      "source_id": "source-ebrpd-garin-park-page"
    },
    {
      "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-garin-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T07:00:00+00:00",
      "source_id": "source-ebrpd-garin-park-page"
    }
  ],
  "record": {
    "locator": "https://www.ebparks.org/parks/garin",
    "publisher": "East Bay Regional Park District",
    "source_id": "source-ebrpd-garin-park-page"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/garin",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-garin-park-page"
    }
  ]
}