{
  "coverage_status": "curated-relations",
  "edges": [
    {
      "confidence_level": "high",
      "date": "1752-08-22",
      "description": "Trinity House records the twin-tower lighthouse completed in 1752 and first lit on 22 August; the source's 1751/1752 variation is a structure/commissioning distinction, not an optic manufacture conflict.",
      "event_id": "HERITAGE-REL-000158",
      "id": "HERITAGE-REL-000158",
      "relation_type": "built",
      "source": "LUX-ASSET-000651",
      "target": "LUX-LH-000629"
    },
    {
      "confidence_level": "high",
      "date": "1752-08-22",
      "description": "Supporting continuity relation for Lizard Lighthouse derived from the reviewed phase sequence.",
      "event_id": "HERITAGE-REL-000170",
      "id": "HERITAGE-REL-000170",
      "relation_type": "commissioned",
      "source": "LUX-ASSET-000651",
      "target": "LUX-LH-000629"
    },
    {
      "confidence_level": "medium",
      "date": "1875",
      "description": "The master Chance page attributes a second-order four-panel catadioptric phase to 1875; it remains distinct from the later first-order rotating optic.",
      "event_id": "HERITAGE-REL-000159",
      "id": "HERITAGE-REL-000159",
      "relation_type": "installed_at",
      "source": "LUX-ASSET-000652",
      "target": "LUX-LH-000629"
    },
    {
      "confidence_level": "high",
      "date": "1903",
      "description": "Trinity House records a rotating first-order optic established in the eastern tower in 1903.",
      "event_id": "HERITAGE-REL-000160",
      "id": "HERITAGE-REL-000160",
      "relation_type": "installed_in",
      "source": "LUX-ASSET-000653",
      "target": "LUX-ASSET-000651"
    }
  ],
  "entity_id": "LUX-LH-000629",
  "nodes": [
    {
      "asset_kind": "structure",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000651",
      "is_root": false,
      "label": "Lizard 1752 twin-tower lighthouse",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000651/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000652",
      "is_root": false,
      "label": "Lizard 1875 second-order four-panel optic",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000652/"
    },
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000653",
      "is_root": false,
      "label": "Lizard 1903 first-order rotating optic",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000653/"
    },
    {
      "asset_kind": "",
      "entity_type": "lighthouse",
      "id": "LUX-LH-000629",
      "is_root": true,
      "label": "Lizard Lighthouse",
      "latitude": 49.9601511159,
      "longitude": -5.2021785985,
      "place_type": "",
      "url": "/lighthouses/LUX-LH-000629/"
    }
  ],
  "root_id": "LUX-LH-000629",
  "visual_source": "curated"
}