{"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":"1518654","name":"#1"},"operator":{"type":"operator","id":"0068103","name":"T.R.C. Mining Corporation"},"controller":{"type":"controller","id":"0057149","name":"Rodney  Bentley; Ted  Thornsberry"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13662","name":"Roger N  Bentley"},"object":{"type":"mine","id":"1518654","name":"#1"},"validFrom":"1988-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518654|C13662|1988-11-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19994","name":"J. & R. Coal Co."},"object":{"type":"mine","id":"1518654","name":"#1"},"validFrom":"2003-08-05","validTo":"2006-02-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518654|P19994|2003-08-05|2006-02-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13662","name":"Roger N  Bentley"},"object":{"type":"operator","id":"P19994","name":"J. & R. Coal Co."},"validFrom":"2003-08-05","validTo":"2006-02-13","current":false,"derived":true,"evidenceMineId":"1518654","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518654|P19994|2003-08-05|C13662|1988-11-01|90739"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0068103","name":"T.R.C. Mining Corporation"},"object":{"type":"mine","id":"1518654","name":"#1"},"validFrom":"2006-02-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518654|0068103|2006-02-14|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0057149","name":"Ted  Thornsberry et al"},"object":{"type":"mine","id":"1518654","name":"#1"},"validFrom":"2006-02-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518654|0057149|2006-02-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0057149","name":"Ted  Thornsberry et al"},"object":{"type":"operator","id":"0068103","name":"T.R.C. Mining Corporation"},"validFrom":"2006-02-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518654","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518654|0068103|2006-02-14|0057149|2006-02-14|7572"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0057149","name":"Rodney  Bentley et al"},"object":{"type":"operator","id":"0068103","name":"T.R.C. Mining Corporation"},"validFrom":"2006-02-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518654","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518654|0068103|2006-02-14|0057149|2006-02-14|7573"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518654","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"}}