{"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":"5001847","name":"Blue Crusher"},"operator":{"type":"operator","id":"0070323","name":"SECON"},"controller":{"type":"controller","id":"M03183","name":"Colas S A"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10707","name":"Gordon  Crawley"},"object":{"type":"mine","id":"5001847","name":"Blue Crusher"},"validFrom":"1995-03-01","validTo":"2000-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001847|M10707|1995-03-01|2000-08-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03183","name":"Colas S A"},"object":{"type":"mine","id":"5001847","name":"Blue Crusher"},"validFrom":"2000-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001847|M03183|2000-09-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0070323","name":"SECON"},"object":{"type":"mine","id":"5001847","name":"Blue Crusher"},"validFrom":"2006-06-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001847|0070323|2006-06-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03183","name":"Colas S A"},"object":{"type":"operator","id":"0070323","name":"SECON"},"validFrom":"2006-06-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"5001847","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001847|0070323|2006-06-21|M03183|2000-09-01|128362"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10707","name":"Gordon  Crawley"},"object":{"type":"operator","id":"0070323","name":"SECON"},"validFrom":"2006-06-21","validTo":"2000-08-31","current":false,"derived":true,"evidenceMineId":"5001847","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001847|0070323|2006-06-21|M10707|1995-03-01|149823"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"5001847","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"}}