{"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":"1505520","name":"Mine No 11"},"operator":{"type":"operator","id":"P13032","name":"Energy Coal Income Partnership"},"controller":{"type":"controller","id":"C09579","name":"Energy Management Corp"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02063","name":"Western Coal Corp"},"object":{"type":"mine","id":"1505520","name":"Mine No 11"},"validFrom":"1950-01-01","validTo":"1982-02-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1505520|P02063|1950-01-01|1982-02-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00414","name":"Western Coal Corp"},"object":{"type":"mine","id":"1505520","name":"Mine No 11"},"validFrom":"1950-01-01","validTo":"1982-02-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1505520|C00414|1950-01-01|1982-02-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00414","name":"Western Coal Corp"},"object":{"type":"operator","id":"P02063","name":"Western Coal Corp"},"validFrom":"1950-01-01","validTo":"1982-02-21","current":false,"derived":true,"evidenceMineId":"1505520","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1505520|P02063|1950-01-01|C00414|1950-01-01|47019"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09579","name":"Energy Management Corp"},"object":{"type":"mine","id":"1505520","name":"Mine No 11"},"validFrom":"1982-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1505520|C09579|1982-02-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13032","name":"Energy Coal Income Partnership"},"object":{"type":"mine","id":"1505520","name":"Mine No 11"},"validFrom":"1982-02-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1505520|P13032|1982-02-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09579","name":"Energy Management Corp"},"object":{"type":"operator","id":"P13032","name":"Energy Coal Income Partnership"},"validFrom":"1982-02-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"1505520","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1505520|P13032|1982-02-22|C09579|1982-02-01|80015"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1505520","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"}}