{"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":"4608612","name":"Auger No 1"},"operator":{"type":"operator","id":"P23018","name":"Mountain Edge Mining Inc"},"controller":{"type":"controller","id":"C15194","name":"Douglas M  Epling"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15194","name":"Douglas M  Epling"},"object":{"type":"mine","id":"4608612","name":"Auger No 1"},"validFrom":"1994-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608612|C15194|1994-12-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23643","name":"Staple Coal Company Inc"},"object":{"type":"mine","id":"4608612","name":"Auger No 1"},"validFrom":"1997-01-01","validTo":"1998-01-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608612|P23643|1997-01-01|1998-01-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"4608612","name":"Auger No 1"},"validFrom":"1997-01-01","validTo":"1998-01-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608612|C04355|1997-01-01|1998-01-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"P23643","name":"Staple Coal Company Inc"},"validFrom":"1997-01-01","validTo":"1998-01-08","current":false,"derived":true,"evidenceMineId":"4608612","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608612|P23643|1997-01-01|C04355|1997-01-01|65477"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23018","name":"Mountain Edge Mining Inc"},"object":{"type":"mine","id":"4608612","name":"Auger No 1"},"validFrom":"1998-01-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608612|P23018|1998-01-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15194","name":"Douglas M  Epling"},"object":{"type":"operator","id":"P23018","name":"Mountain Edge Mining Inc"},"validFrom":"1998-01-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608612","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608612|P23018|1998-01-09|C15194|1994-12-01|94978"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4608612","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"}}