{"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":"4604509","name":"Mine No 1"},"operator":{"type":"operator","id":"P07205","name":"Hull Coal Corp"},"controller":{"type":"controller","id":"C04348","name":"Coal Arbed"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01453","name":"Blankenship Hassel"},"object":{"type":"mine","id":"4604509","name":"Mine No 1"},"validFrom":"1974-07-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|C01453|1974-07-15|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01738","name":"Faye Coal Company"},"object":{"type":"mine","id":"4604509","name":"Mine No 1"},"validFrom":"1975-01-01","validTo":"1975-02-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|P01738|1975-01-01|1975-02-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01470","name":"Thomas Tommy Et Al"},"object":{"type":"mine","id":"4604509","name":"Mine No 1"},"validFrom":"1975-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|C01470|1975-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01470","name":"Thomas Tommy Et Al"},"object":{"type":"operator","id":"P01738","name":"Faye Coal Company"},"validFrom":"1975-01-01","validTo":"1975-02-24","current":false,"derived":true,"evidenceMineId":"4604509","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|P01738|1975-01-01|C01470|1975-01-01|54188"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01721","name":"Florida Fuel Company Inc"},"object":{"type":"mine","id":"4604509","name":"Mine No 1"},"validFrom":"1975-02-25","validTo":"1976-03-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|P01721|1975-02-25|1976-03-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01453","name":"Blankenship Hassel"},"object":{"type":"operator","id":"P01721","name":"Florida Fuel Company Inc"},"validFrom":"1975-02-25","validTo":"1976-03-23","current":false,"derived":true,"evidenceMineId":"4604509","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|P01721|1975-02-25|C01453|1974-07-15|54146"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01720","name":"R & C Coal Company"},"object":{"type":"mine","id":"4604509","name":"Mine No 1"},"validFrom":"1976-03-24","validTo":"1976-07-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|P01720|1976-03-24|1976-07-17"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01452","name":"Cline Ray & Clark"},"object":{"type":"mine","id":"4604509","name":"Mine No 1"},"validFrom":"1976-03-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|C01452|1976-03-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01452","name":"Cline Ray & Clark"},"object":{"type":"operator","id":"P01720","name":"R & C Coal Company"},"validFrom":"1976-03-24","validTo":"1976-07-17","current":false,"derived":true,"evidenceMineId":"4604509","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|P01720|1976-03-24|C01452|1976-03-24|54141"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07205","name":"Hull Coal Corp"},"object":{"type":"mine","id":"4604509","name":"Mine No 1"},"validFrom":"1976-07-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|P07205|1976-07-18|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04348","name":"Coal Arbed"},"object":{"type":"mine","id":"4604509","name":"Mine No 1"},"validFrom":"1976-07-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|C04348|1976-07-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04348","name":"Coal Arbed"},"object":{"type":"operator","id":"P07205","name":"Hull Coal Corp"},"validFrom":"1976-07-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"4604509","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604509|P07205|1976-07-18|C04348|1976-07-18|65424"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4604509","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"}}