{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-martin-luther-king-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-martin-luther-king-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-martin-luther-king-jr-regional-shoreline"
        ],
        "subject_id": "park-martin-luther-king-jr-regional-shoreline",
        "temporal_scope": null,
        "value": {
          "access": [
            "Swan Way entrance",
            "multiple shoreline and marsh staging areas",
            "Elmhurst walk-in entrance"
          ],
          "accessible_facilities": [
            "parking",
            "curb cuts",
            "paved trails",
            "fishing access",
            "restrooms",
            "drinking fountains",
            "marsh overlook platform",
            "Shoreline Center",
            "Tidewater paddle-craft dock"
          ],
          "acreage": 748,
          "activities": [
            "biking",
            "boating",
            "dogs",
            "fishing",
            "hiking",
            "kid-friendly",
            "picnicking"
          ],
          "addresses": {
            "main": "Doolittle Drive and Swan Way, Oakland, CA",
            "shoreline_center": "7250 Doolittle Drive, Oakland, CA 94621",
            "tidewater_boating_center": "4675-A Tidewater Avenue, Oakland, CA 94601"
          },
          "habitat": {
            "arrowhead_marsh_acres": 50,
            "pacific_flyway_stopover": true
          },
          "major_event_parking_fee_usd": 40,
          "parking_fee_usd": 0,
          "restrictions": {
            "dogs_elsewhere": "six-foot leash",
            "dogs_in_marsh": false,
            "jet_skis_and_hydrofoils": "prohibited November 1–March 31",
            "motorized_boats_in_marsh": false,
            "swimming": false
          },
          "seasonal_hours": "08:00 opening; closing varies from 17:00 to 21:00 by month"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-martin-luther-king-visitor-profile",
          "evidence_id": "evidence-ebrpd-martin-luther-king-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-martin-luther-king-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-martin-luther-king-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-martin-luther-king-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/martin-luther-king",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-martin-luther-king-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-martin-luther-king-jr-regional-shoreline",
      "kind": "park",
      "name": "Martin Luther King Jr. Regional Shoreline"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-parks-batch-10",
      "evidence_refs": [
        "evidence-ebrpd-martin-luther-king-visitor-profile"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-martin-luther-king-visitor-profile.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD preserve page reviewed on 2026-09-20.",
      "record_id": "claim-martin-luther-king-visitor-profile",
      "record_type": "claim",
      "summary": "Add four additional previously uncaptured EBRPD park visitor profiles."
    }
  ],
  "navigation": {
    "next_id": "claim-martinez-shoreline-water-quality-20260922",
    "position": 1075,
    "previous_id": "claim-marsh-creek-weekday-closure-2026",
    "total": 3965
  },
  "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-martin-luther-king-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T07:00:00+00:00",
      "source_id": "source-ebrpd-martin-luther-king-park-page"
    }
  ],
  "record": {
    "claim_id": "claim-martin-luther-king-visitor-profile",
    "evidence_ids": [
      "evidence-ebrpd-martin-luther-king-visitor-profile"
    ],
    "predicate": "visitor_profile",
    "spatial_scope_ids": [
      "scope-martin-luther-king-jr-regional-shoreline"
    ],
    "subject_id": "park-martin-luther-king-jr-regional-shoreline",
    "temporal_scope": null,
    "value": {
      "access": [
        "Swan Way entrance",
        "multiple shoreline and marsh staging areas",
        "Elmhurst walk-in entrance"
      ],
      "accessible_facilities": [
        "parking",
        "curb cuts",
        "paved trails",
        "fishing access",
        "restrooms",
        "drinking fountains",
        "marsh overlook platform",
        "Shoreline Center",
        "Tidewater paddle-craft dock"
      ],
      "acreage": 748,
      "activities": [
        "biking",
        "boating",
        "dogs",
        "fishing",
        "hiking",
        "kid-friendly",
        "picnicking"
      ],
      "addresses": {
        "main": "Doolittle Drive and Swan Way, Oakland, CA",
        "shoreline_center": "7250 Doolittle Drive, Oakland, CA 94621",
        "tidewater_boating_center": "4675-A Tidewater Avenue, Oakland, CA 94601"
      },
      "habitat": {
        "arrowhead_marsh_acres": 50,
        "pacific_flyway_stopover": true
      },
      "major_event_parking_fee_usd": 40,
      "parking_fee_usd": 0,
      "restrictions": {
        "dogs_elsewhere": "six-foot leash",
        "dogs_in_marsh": false,
        "jet_skis_and_hydrofoils": "prohibited November 1–March 31",
        "motorized_boats_in_marsh": false,
        "swimming": false
      },
      "seasonal_hours": "08:00 opening; closing varies from 17:00 to 21:00 by month"
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/martin-luther-king",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-martin-luther-king-park-page"
    }
  ]
}