{
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    {
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          "evidence-tilden-laurel-canyon-trail-closure-2026"
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      ],
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            "Park Accessibility",
            "Hiking and Biking"
          ],
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          "observation_id": "observation-ebrpd-tilden-access-conditions-20260922",
          "observed_at": null,
          "observer": "Wayproof live source review",
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    {
      "action": "ADD",
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      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-tilden-laurel-canyon-trail-closure-2026.json",
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    }
  ],
  "navigation": {
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    "position": 3428,
    "previous_id": "claim-tilden-lake-anza-water-quality-20260922",
    "total": 3965
  },
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    {
      "artifact_refs": [
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        "To Reach The Park",
        "Park Accessibility",
        "Hiking and Biking"
      ],
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      "observation_id": "observation-ebrpd-tilden-access-conditions-20260922",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-22T15:30:00+00:00",
      "source_id": "source-ebrpd-tilden-park-page"
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      "source_updated_on": "2026-09-22",
      "status": "closed",
      "until": "further notice"
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/tilden",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-tilden-park-page"
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  ]
}