{"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":"3610391","name":"Bennett Quarry"},"operator":{"type":"operator","id":"0050685","name":"T.Bennett Bluestone"},"controller":{"type":"controller","id":"0041015","name":"Tracy W  Bennett"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041015","name":"Tracy W  Bennett"},"object":{"type":"mine","id":"3610391","name":"Bennett Quarry"},"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":"3610391|0041015|2002-09-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0184913","name":"KB Flagstone"},"object":{"type":"mine","id":"3610391","name":"Bennett Quarry"},"validFrom":"2022-05-11","validTo":"2024-07-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610391|0184913|2022-05-11|2024-07-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0171841","name":"Kenny R  Bates"},"object":{"type":"mine","id":"3610391","name":"Bennett Quarry"},"validFrom":"2022-05-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610391|0171841|2022-05-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0171841","name":"Kenny R  Bates"},"object":{"type":"operator","id":"0184913","name":"KB Flagstone"},"validFrom":"2022-05-11","validTo":"2024-07-14","current":false,"derived":true,"evidenceMineId":"3610391","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610391|0184913|2022-05-11|0171841|2022-05-11|36541"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050685","name":"T.Bennett Bluestone"},"object":{"type":"mine","id":"3610391","name":"Bennett Quarry"},"validFrom":"2024-07-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610391|0050685|2024-07-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041015","name":"Tracy W  Bennett"},"object":{"type":"operator","id":"0050685","name":"T.Bennett Bluestone"},"validFrom":"2024-07-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"3610391","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610391|0050685|2024-07-15|0041015|2002-09-10|1208"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3610391","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"}}