{"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":"4405970","name":"Surface Mine No 1"},"operator":{"type":"operator","id":"P15991","name":"Fincastle Mining Inc"},"controller":{"type":"controller","id":"M09870","name":"Koch Industries Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09870","name":"Koch Industries Inc"},"object":{"type":"mine","id":"4405970","name":"Surface Mine No 1"},"validFrom":"1979-05-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405970|M09870|1979-05-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13861","name":"Amber Coal Company Inc"},"object":{"type":"mine","id":"4405970","name":"Surface Mine No 1"},"validFrom":"1982-12-01","validTo":"1984-07-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405970|P13861|1982-12-01|1984-07-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10106","name":"Robinson Kyle P"},"object":{"type":"mine","id":"4405970","name":"Surface Mine No 1"},"validFrom":"1982-12-01","validTo":"1984-07-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405970|C10106|1982-12-01|1984-07-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10106","name":"Robinson Kyle P"},"object":{"type":"operator","id":"P13861","name":"Amber Coal Company Inc"},"validFrom":"1982-12-01","validTo":"1984-07-29","current":false,"derived":true,"evidenceMineId":"4405970","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405970|P13861|1982-12-01|C10106|1982-12-01|81248"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15991","name":"Fincastle Mining Inc"},"object":{"type":"mine","id":"4405970","name":"Surface Mine No 1"},"validFrom":"1984-07-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405970|P15991|1984-07-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09870","name":"Koch Industries Inc"},"object":{"type":"operator","id":"P15991","name":"Fincastle Mining Inc"},"validFrom":"1984-07-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"4405970","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4405970|P15991|1984-07-30|M09870|1979-05-10|147729"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4405970","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"}}