{
  "coverage_status": "curated-relations",
  "edges": [
    {
      "confidence_level": "high",
      "date": "1819",
      "description": "Historic England and the National Trust identify the Old Light complex as built in 1819.",
      "event_id": "HERITAGE-REL-000161",
      "id": "HERITAGE-REL-000161",
      "relation_type": "built",
      "source": "LUX-ASSET-000654",
      "target": "LUX-LH-000630"
    },
    {
      "confidence_level": "medium",
      "date": "1857",
      "description": "The master Chance evidence attributes the first-order revolving optic phase to 1857; this remains separate from the 1819 tower.",
      "event_id": "HERITAGE-REL-000162",
      "id": "HERITAGE-REL-000162",
      "relation_type": "historically_part_of",
      "source": "LUX-ASSET-000496",
      "target": "LUX-LH-000630"
    },
    {
      "confidence_level": "high",
      "date": "1861",
      "description": "Historic England records a fog-signal battery built circa 1861; this is relevant context but does not prove that the duplicate's unexplained 1860 value describes the same event.",
      "event_id": "HERITAGE-REL-000163",
      "id": "HERITAGE-REL-000163",
      "relation_type": "built",
      "source": "LUX-ASSET-000655",
      "target": "LUX-LH-000630"
    }
  ],
  "entity_id": "LUX-LH-000630",
  "nodes": [
    {
      "asset_kind": "lens",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000496",
      "is_root": false,
      "label": "Lundy Old Light first-order revolving optic",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000496/"
    },
    {
      "asset_kind": "tower",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000654",
      "is_root": false,
      "label": "Lundy Old Light 1819 tower",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000654/"
    },
    {
      "asset_kind": "fog_signal",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000655",
      "is_root": false,
      "label": "Lundy Old Light fog-signal battery",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000655/"
    },
    {
      "asset_kind": "",
      "entity_type": "lighthouse",
      "id": "LUX-LH-000630",
      "is_root": true,
      "label": "Lundy Island Old Light",
      "latitude": 51.1672475772,
      "longitude": -4.6732325554,
      "place_type": "",
      "url": "/lighthouses/LUX-LH-000630/"
    }
  ],
  "root_id": "LUX-LH-000630",
  "visual_source": "curated"
}