{"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":"1518470","name":"#1"},"operator":{"type":"operator","id":"0050700","name":"R V Mining, LLC"},"controller":{"type":"controller","id":"0041030","name":"Randall G  Vance"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15704","name":"Brian  Jones"},"object":{"type":"mine","id":"1518470","name":"#1"},"validFrom":"1998-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518470|C15704|1998-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23937","name":"B & R Coal Co., Inc."},"object":{"type":"mine","id":"1518470","name":"#1"},"validFrom":"2001-09-29","validTo":"2002-09-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518470|P23937|2001-09-29|2002-09-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15704","name":"Brian  Jones"},"object":{"type":"operator","id":"P23937","name":"B & R Coal Co., Inc."},"validFrom":"2001-09-29","validTo":"2002-09-09","current":false,"derived":true,"evidenceMineId":"1518470","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518470|P23937|2001-09-29|C15704|1998-04-01|96573"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050700","name":"R V Mining, LLC"},"object":{"type":"mine","id":"1518470","name":"#1"},"validFrom":"2002-09-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518470|0050700|2002-09-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041030","name":"Randall G  Vance"},"object":{"type":"mine","id":"1518470","name":"#1"},"validFrom":"2002-09-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518470|0041030|2002-09-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041030","name":"Randall G  Vance"},"object":{"type":"operator","id":"0050700","name":"R V Mining, LLC"},"validFrom":"2002-09-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518470","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518470|0050700|2002-09-10|0041030|2002-09-10|1222"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518470","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"}}