{"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":"3304668","name":"Augar M602"},"operator":{"type":"operator","id":"P18966","name":"Penn-Ohio Coal"},"controller":{"type":"controller","id":"C07776","name":"Keith B  Kimble"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13126","name":"Floyd E Kimble"},"object":{"type":"mine","id":"3304668","name":"Augar M602"},"validFrom":"1950-01-01","validTo":"2001-08-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304668|C13126|1950-01-01|2001-08-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07776","name":"Keith B  Kimble"},"object":{"type":"mine","id":"3304668","name":"Augar M602"},"validFrom":"2001-08-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304668|C07776|2001-08-29|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18966","name":"Penn-Ohio Coal"},"object":{"type":"mine","id":"3304668","name":"Augar M602"},"validFrom":"2011-06-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304668|P18966|2011-06-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07776","name":"Keith B  Kimble"},"object":{"type":"operator","id":"P18966","name":"Penn-Ohio Coal"},"validFrom":"2011-06-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304668","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304668|P18966|2011-06-06|C07776|2001-08-29|75678"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13126","name":"Floyd E Kimble"},"object":{"type":"operator","id":"P18966","name":"Penn-Ohio Coal"},"validFrom":"2011-06-06","validTo":"2001-08-28","current":false,"derived":true,"evidenceMineId":"3304668","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304668|P18966|2011-06-06|C13126|1950-01-01|88647"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3304668","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"}}