{"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":"4608345","name":"Mine No 21 (1)"},"operator":{"type":"operator","id":"P20124","name":"Long Branch Energy"},"controller":{"type":"controller","id":"C13737","name":"Long Branch Energy Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08808","name":"Brewster Thomas"},"object":{"type":"mine","id":"4608345","name":"Mine No 21 (1)"},"validFrom":"1980-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608345|C08808|1980-08-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13737","name":"Long Branch Energy Corporation"},"object":{"type":"mine","id":"4608345","name":"Mine No 21 (1)"},"validFrom":"1989-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608345|C13737|1989-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22495","name":"Elite Mining Services Inc"},"object":{"type":"mine","id":"4608345","name":"Mine No 21 (1)"},"validFrom":"1993-09-01","validTo":"1995-01-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608345|P22495|1993-09-01|1995-01-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02571","name":"Tommy Joe  Owens"},"object":{"type":"mine","id":"4608345","name":"Mine No 21 (1)"},"validFrom":"1993-09-01","validTo":"1995-01-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608345|C02571|1993-09-01|1995-01-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02571","name":"Tommy Joe  Owens"},"object":{"type":"operator","id":"P22495","name":"Elite Mining Services Inc"},"validFrom":"1993-09-01","validTo":"1995-01-11","current":false,"derived":true,"evidenceMineId":"4608345","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608345|P22495|1993-09-01|C02571|1993-09-01|60074"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11413","name":"Toney'S Branch Coal Company"},"object":{"type":"mine","id":"4608345","name":"Mine No 21 (1)"},"validFrom":"1995-01-12","validTo":"1995-06-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608345|P11413|1995-01-12|1995-06-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08808","name":"Brewster Thomas"},"object":{"type":"operator","id":"P11413","name":"Toney'S Branch Coal Company"},"validFrom":"1995-01-12","validTo":"1995-06-25","current":false,"derived":true,"evidenceMineId":"4608345","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608345|P11413|1995-01-12|C08808|1980-08-01|78198"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20124","name":"Long Branch Energy"},"object":{"type":"mine","id":"4608345","name":"Mine No 21 (1)"},"validFrom":"1995-06-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608345|P20124|1995-06-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13737","name":"Long Branch Energy Corporation"},"object":{"type":"operator","id":"P20124","name":"Long Branch Energy"},"validFrom":"1995-06-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608345","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608345|P20124|1995-06-26|C13737|1989-03-01|90989"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4608345","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"}}