{"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":"4002789","name":"Devonia Coal Corp Mine #5"},"operator":{"type":"operator","id":"P02075","name":"Devonia Coal Corp"},"controller":{"type":"controller","id":"C01766","name":"Phillips Earl"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01766","name":"Phillips Earl"},"object":{"type":"mine","id":"4002789","name":"Devonia Coal Corp Mine #5"},"validFrom":"1970-01-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002789|C01766|1970-01-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02075","name":"Devonia Coal Corp"},"object":{"type":"mine","id":"4002789","name":"Devonia Coal Corp Mine #5"},"validFrom":"1982-05-01","validTo":"1985-06-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002789|P02075|1982-05-01|1985-06-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01766","name":"Phillips Earl"},"object":{"type":"operator","id":"P02075","name":"Devonia Coal Corp"},"validFrom":"1982-05-01","validTo":"1985-06-18","current":false,"derived":true,"evidenceMineId":"4002789","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002789|P02075|1982-05-01|C01766|1970-01-10|55825"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16774","name":"American Standard Coal Sales Inc"},"object":{"type":"mine","id":"4002789","name":"Devonia Coal Corp Mine #5"},"validFrom":"1985-06-19","validTo":"1985-10-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002789|P16774|1985-06-19|1985-10-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10255","name":"Reeves Terry C"},"object":{"type":"mine","id":"4002789","name":"Devonia Coal Corp Mine #5"},"validFrom":"1985-06-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002789|C10255|1985-06-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10255","name":"Reeves Terry C"},"object":{"type":"operator","id":"P16774","name":"American Standard Coal Sales Inc"},"validFrom":"1985-06-19","validTo":"1985-10-29","current":false,"derived":true,"evidenceMineId":"4002789","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002789|P16774|1985-06-19|C10255|1985-06-19|81572"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02075","name":"Devonia Coal Corp"},"object":{"type":"mine","id":"4002789","name":"Devonia Coal Corp Mine #5"},"validFrom":"1985-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002789|P02075|1985-10-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01766","name":"Phillips Earl"},"object":{"type":"operator","id":"P02075","name":"Devonia Coal Corp"},"validFrom":"1985-10-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"4002789","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002789|P02075|1985-10-30|C01766|1970-01-10|55826"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4002789","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"}}