{"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":"4702828","name":"EL-JAY PITS"},"operator":{"type":"operator","id":"L16910","name":"Petrie Crushing Inc"},"controller":{"type":"controller","id":"M12912","name":"Michael A Petrie"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L33667","name":"Golat & Powers Inc"},"object":{"type":"mine","id":"4702828","name":"EL-JAY PITS"},"validFrom":"1986-06-01","validTo":"1999-01-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702828|L33667|1986-06-01|1999-01-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M33667","name":"Ron  Golat"},"object":{"type":"mine","id":"4702828","name":"EL-JAY PITS"},"validFrom":"1986-06-01","validTo":"1999-01-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702828|M33667|1986-06-01|1999-01-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M33667","name":"Ron  Golat"},"object":{"type":"operator","id":"L33667","name":"Golat & Powers Inc"},"validFrom":"1986-06-01","validTo":"1999-01-03","current":false,"derived":true,"evidenceMineId":"4702828","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702828|L33667|1986-06-01|M33667|1986-06-01|162285"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16910","name":"Petrie Crushing Inc"},"object":{"type":"mine","id":"4702828","name":"EL-JAY PITS"},"validFrom":"1999-01-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702828|L16910|1999-01-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12912","name":"Michael A Petrie"},"object":{"type":"mine","id":"4702828","name":"EL-JAY PITS"},"validFrom":"1999-01-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702828|M12912|1999-01-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12912","name":"Michael A Petrie"},"object":{"type":"operator","id":"L16910","name":"Petrie Crushing Inc"},"validFrom":"1999-01-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"4702828","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702828|L16910|1999-01-04|M12912|1999-01-04|154939"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4702828","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"}}