{
  "coherence_issues": [
    {
      "kind": "state_without_light_characteristic",
      "message": "State has no active light-characteristic claim.",
      "severity": "info",
      "state_id": "LUX-LH-000450-state-001"
    }
  ],
  "entity_id": "LUX-LH-000450",
  "generated_at": "2026-08-11T01:15:41+00:00",
  "schema_version": 1,
  "site_id": "LUX-LH-000450",
  "source_nid": 1167,
  "state_count": 1,
  "states": [
    {
      "coherence_issues": [],
      "confidence": "partial",
      "equipment": [],
      "fields": {
        "focal_height": {
          "claim_id": "CLAIM-LUX-LH-000450-focal_height-001",
          "confidence": "archive",
          "field_id": "focal_height",
          "label": "Focal height",
          "source_title": "Щучий",
          "source_url": "/node/1167",
          "valid_from": "",
          "valid_to": "",
          "value": "16"
        },
        "light_visibility": {
          "claim_id": "CLAIM-LUX-LH-000450-light_visibility-001",
          "confidence": "archive",
          "field_id": "light_visibility",
          "label": "Light visibility / range",
          "source_title": "Щучий",
          "source_url": "/node/1167",
          "valid_from": "",
          "valid_to": "",
          "value": "7"
        },
        "tower_height": {
          "claim_id": "CLAIM-LUX-LH-000450-tower_height-001",
          "confidence": "archive",
          "field_id": "tower_height",
          "label": "Tower height",
          "source_title": "Щучий",
          "source_url": "/node/1167",
          "valid_from": "",
          "valid_to": "",
          "value": "14"
        }
      },
      "label": "1857-present",
      "location": {
        "claim_id": "GEO-LUX-LH-000450-structure_position-nikolayevskiy-lower",
        "confidence": "medium",
        "latitude": 59.933,
        "location_role": "structure_position",
        "longitude": 30.233,
        "precision_m": 500,
        "valid_from": "1857",
        "valid_to": ""
      },
      "site_id": "LUX-LH-000450",
      "sources": [
        {
          "id": "CLAIM-LUX-LH-000450-tower_height-001",
          "kind": "field_claim",
          "title": "Щучий",
          "url": "/node/1167"
        },
        {
          "id": "CLAIM-LUX-LH-000450-focal_height-001",
          "kind": "field_claim",
          "title": "Щучий",
          "url": "/node/1167"
        },
        {
          "id": "CLAIM-LUX-LH-000450-light_visibility-001",
          "kind": "field_claim",
          "title": "Щучий",
          "url": "/node/1167"
        },
        {
          "id": "GEO-LUX-LH-000450-structure_position-nikolayevskiy-lower",
          "kind": "geolocation_claim",
          "title": "Mayachnik archive Nikolayevskiy range lower record",
          "url": "/node/1171/"
        }
      ],
      "state_id": "LUX-LH-000450-state-001",
      "structure": {
        "asset_id": "LUX-LH-000450",
        "asset_kind": "site_anchor",
        "label": "Site-level lighthouse structure",
        "relation_id": "",
        "relation_type": "site_continuity_anchor",
        "review_status": "",
        "url": "",
        "valid_from": "",
        "valid_to": ""
      },
      "unknown_fields": [
        "structure",
        "material",
        "light_characteristic",
        "status"
      ],
      "valid_from": "1857",
      "valid_to": ""
    }
  ],
  "title": "Щучий",
  "year_max": 1857,
  "year_min": 1857
}