{"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":"1513664","name":"No 2 Tipple"},"operator":{"type":"operator","id":"P15701","name":"Quality Fuel Inc"},"controller":{"type":"controller","id":"C11233","name":"Epling Phillip K"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04318","name":"Reese Chester-Danny & Teddy D"},"object":{"type":"mine","id":"1513664","name":"No 2 Tipple"},"validFrom":"1978-07-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513664|C04318|1978-07-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08453","name":"Big Branch Fuel Inc"},"object":{"type":"mine","id":"1513664","name":"No 2 Tipple"},"validFrom":"1982-08-01","validTo":"1984-07-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513664|P08453|1982-08-01|1984-07-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04318","name":"Reese Chester-Danny & Teddy D"},"object":{"type":"operator","id":"P08453","name":"Big Branch Fuel Inc"},"validFrom":"1982-08-01","validTo":"1984-07-15","current":false,"derived":true,"evidenceMineId":"1513664","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513664|P08453|1982-08-01|C04318|1978-07-12|65364"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11233","name":"Epling Phillip K"},"object":{"type":"mine","id":"1513664","name":"No 2 Tipple"},"validFrom":"1984-07-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513664|C11233|1984-07-16|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15938","name":"Double D Fuel"},"object":{"type":"mine","id":"1513664","name":"No 2 Tipple"},"validFrom":"1984-07-16","validTo":"1984-12-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513664|P15938|1984-07-16|1984-12-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11386","name":"Keesee Elmer"},"object":{"type":"mine","id":"1513664","name":"No 2 Tipple"},"validFrom":"1984-07-16","validTo":"1984-12-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513664|C11386|1984-07-16|1984-12-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11386","name":"Keesee Elmer"},"object":{"type":"operator","id":"P15938","name":"Double D Fuel"},"validFrom":"1984-07-16","validTo":"1984-12-02","current":false,"derived":true,"evidenceMineId":"1513664","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513664|P15938|1984-07-16|C11386|1984-07-16|84474"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15701","name":"Quality Fuel Inc"},"object":{"type":"mine","id":"1513664","name":"No 2 Tipple"},"validFrom":"1984-12-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513664|P15701|1984-12-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11233","name":"Epling Phillip K"},"object":{"type":"operator","id":"P15701","name":"Quality Fuel Inc"},"validFrom":"1984-12-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"1513664","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513664|P15701|1984-12-03|C11233|1984-07-16|84164"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1513664","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"}}