{"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":"1513092","name":"No 1 Mine (D)"},"operator":{"type":"operator","id":"P13001","name":"J & L Energy Inc"},"controller":{"type":"controller","id":"C06876","name":"Bush Jack"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07322","name":"Clark Wayne W & Jack Bush"},"object":{"type":"mine","id":"1513092","name":"No 1 Mine (D)"},"validFrom":"1979-07-18","validTo":"1984-05-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513092|C07322|1979-07-18|1984-05-13"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09411","name":"Wayne Clark Inc"},"object":{"type":"mine","id":"1513092","name":"No 1 Mine (D)"},"validFrom":"1981-09-01","validTo":"1982-02-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513092|P09411|1981-09-01|1982-02-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07322","name":"Clark Wayne W & Jack Bush"},"object":{"type":"operator","id":"P09411","name":"Wayne Clark Inc"},"validFrom":"1981-09-01","validTo":"1982-02-04","current":false,"derived":true,"evidenceMineId":"1513092","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513092|P09411|1981-09-01|C07322|1979-07-18|74342"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13001","name":"J & L Energy Inc"},"object":{"type":"mine","id":"1513092","name":"No 1 Mine (D)"},"validFrom":"1982-02-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513092|P13001|1982-02-05|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06876","name":"Bush Jack Et Al"},"object":{"type":"mine","id":"1513092","name":"No 1 Mine (D)"},"validFrom":"1982-02-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513092|C06876|1982-02-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06876","name":"Bush Jack Et Al"},"object":{"type":"operator","id":"P13001","name":"J & L Energy Inc"},"validFrom":"1982-02-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"1513092","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513092|P13001|1982-02-05|C06876|1982-02-05|73112"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1513092","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"}}