{"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":"1700583","name":"Crusher C608 (Portable)"},"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":"controller_controls_mine","subject":{"type":"controller","id":"M01339","name":"Milo L  Pike"},"object":{"type":"mine","id":"1700583","name":"Crusher C608 (Portable)"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700583|M01339|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01495","name":"Pike Industries Inc"},"object":{"type":"mine","id":"1700583","name":"Crusher C608 (Portable)"},"validFrom":"1987-07-01","validTo":"1988-06-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700583|L01495|1987-07-01|1988-06-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01339","name":"Milo L  Pike"},"object":{"type":"operator","id":"L01495","name":"Pike Industries Inc"},"validFrom":"1987-07-01","validTo":"1988-06-01","current":false,"derived":true,"evidenceMineId":"1700583","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700583|L01495|1987-07-01|M01339|1950-01-01|118078"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10129","name":"Pike Industries Inc"},"object":{"type":"mine","id":"1700583","name":"Crusher C608 (Portable)"},"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":"1700583|L10129|1988-06-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1700583","name":"Crusher C608 (Portable)"},"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":"1700583|M06183|1988-06-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L10129","name":"Pike Industries Inc"},"validFrom":"1988-06-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"1700583","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700583|L10129|1988-06-02|M06183|1988-06-02|136531"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1700583","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"}}