{"data":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"0504041","name":"Coral Decline"},"operator":{"type":"operator","id":"L09631","name":"Lord Byron Gold Mining Company"},"controller":{"type":"controller","id":"M07552","name":"Clark Thomas A"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09630","name":"Lord Byron Gold Mining Company"},"object":{"type":"mine","id":"0504041","name":"Coral Decline"},"validFrom":"1985-04-01","validTo":"1987-07-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504041|L09630|1985-04-01|1987-07-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07551","name":"Wessels Peter A"},"object":{"type":"mine","id":"0504041","name":"Coral Decline"},"validFrom":"1985-04-01","validTo":"1987-07-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504041|M07551|1985-04-01|1987-07-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07551","name":"Wessels Peter A"},"object":{"type":"operator","id":"L09630","name":"Lord Byron Gold Mining Company"},"validFrom":"1985-04-01","validTo":"1987-07-13","current":false,"derived":true,"evidenceMineId":"0504041","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504041|L09630|1985-04-01|M07551|1985-04-01|141493"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09631","name":"Lord Byron Gold Mining Company"},"object":{"type":"mine","id":"0504041","name":"Coral Decline"},"validFrom":"1987-07-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504041|L09631|1987-07-14|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07552","name":"Clark Thomas A"},"object":{"type":"mine","id":"0504041","name":"Coral Decline"},"validFrom":"1987-07-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504041|M07552|1987-07-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07552","name":"Clark Thomas A"},"object":{"type":"operator","id":"L09631","name":"Lord Byron Gold Mining Company"},"validFrom":"1987-07-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"0504041","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504041|L09631|1987-07-14|M07552|1987-07-14|141494"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0504041","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}