{"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":"5001377","name":"Upper Speaker Mine"},"operator":{"type":"operator","id":"L07360","name":"Cullett Mining"},"controller":{"type":"controller","id":"M05861","name":"Cullett Theresa A"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07359","name":"Hank Speaker"},"object":{"type":"mine","id":"5001377","name":"Upper Speaker Mine"},"validFrom":"1980-07-01","validTo":"1984-06-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001377|L07359|1980-07-01|1984-06-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05860","name":"Speaker Hank"},"object":{"type":"mine","id":"5001377","name":"Upper Speaker Mine"},"validFrom":"1980-07-01","validTo":"1984-06-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001377|M05860|1980-07-01|1984-06-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05860","name":"Speaker Hank"},"object":{"type":"operator","id":"L07359","name":"Hank Speaker"},"validFrom":"1980-07-01","validTo":"1984-06-04","current":false,"derived":true,"evidenceMineId":"5001377","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001377|L07359|1980-07-01|M05860|1980-07-01|135620"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07360","name":"Cullett Mining"},"object":{"type":"mine","id":"5001377","name":"Upper Speaker Mine"},"validFrom":"1984-06-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001377|L07360|1984-06-05|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05861","name":"Cullett Theresa A"},"object":{"type":"mine","id":"5001377","name":"Upper Speaker Mine"},"validFrom":"1984-06-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001377|M05861|1984-06-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05861","name":"Cullett Theresa A"},"object":{"type":"operator","id":"L07360","name":"Cullett Mining"},"validFrom":"1984-06-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"5001377","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001377|L07360|1984-06-05|M05861|1984-06-05|135621"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"5001377","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"}}