{"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":"1700154","name":"Wash Plant C611"},"operator":{"type":"operator","id":"L10129","name":"Pike Industries Inc"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11409","name":"W E Cloutier & Company Inc"},"object":{"type":"mine","id":"1700154","name":"Wash Plant C611"},"validFrom":"1950-01-01","validTo":"1989-12-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700154|L11409|1950-01-01|1989-12-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08820","name":"Thomas R  Brochu"},"object":{"type":"mine","id":"1700154","name":"Wash Plant C611"},"validFrom":"1950-01-01","validTo":"1989-12-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700154|M08820|1950-01-01|1989-12-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08820","name":"Thomas R  Brochu"},"object":{"type":"operator","id":"L11409","name":"W E Cloutier & Company Inc"},"validFrom":"1950-01-01","validTo":"1989-12-28","current":false,"derived":true,"evidenceMineId":"1700154","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700154|L11409|1950-01-01|M08820|1950-01-01|144144"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1700154","name":"Wash Plant C611"},"validFrom":"1988-06-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700154|M06183|1988-06-02|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10129","name":"Pike Industries Inc"},"object":{"type":"mine","id":"1700154","name":"Wash Plant C611"},"validFrom":"1989-12-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700154|L10129|1989-12-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L10129","name":"Pike Industries Inc"},"validFrom":"1989-12-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"1700154","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700154|L10129|1989-12-29|M06183|1988-06-02|136526"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1700154","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"}}