{"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":"1509822","name":"10-Tucky Tipple"},"operator":{"type":"operator","id":"P08336","name":"10-Tucky Farms & Stables Inc"},"controller":{"type":"controller","id":"C06666","name":"Frontier Companies Of Alaska"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02982","name":"Perry John"},"object":{"type":"mine","id":"1509822","name":"10-Tucky Tipple"},"validFrom":"1976-07-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509822|C02982|1976-07-02|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03614","name":"Wyandot Corp"},"object":{"type":"mine","id":"1509822","name":"10-Tucky Tipple"},"validFrom":"1976-07-19","validTo":"1977-11-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509822|P03614|1976-07-19|1977-11-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02982","name":"Perry John"},"object":{"type":"operator","id":"P03614","name":"Wyandot Corp"},"validFrom":"1976-07-19","validTo":"1977-11-02","current":false,"derived":true,"evidenceMineId":"1509822","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509822|P03614|1976-07-19|C02982|1976-07-02|61526"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03518","name":"Sykes Harry & John"},"object":{"type":"mine","id":"1509822","name":"10-Tucky Tipple"},"validFrom":"1977-07-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509822|C03518|1977-07-19|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06692","name":"Metco Collieries"},"object":{"type":"mine","id":"1509822","name":"10-Tucky Tipple"},"validFrom":"1977-11-03","validTo":"1979-03-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509822|P06692|1977-11-03|1979-03-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03518","name":"Sykes Harry & John"},"object":{"type":"operator","id":"P06692","name":"Metco Collieries"},"validFrom":"1977-11-03","validTo":"1979-03-14","current":false,"derived":true,"evidenceMineId":"1509822","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509822|P06692|1977-11-03|C03518|1977-07-19|63126"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08336","name":"10-Tucky Farms & Stables Inc"},"object":{"type":"mine","id":"1509822","name":"10-Tucky Tipple"},"validFrom":"1979-03-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509822|P08336|1979-03-15|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06666","name":"Frontier Companies Of Alaska"},"object":{"type":"mine","id":"1509822","name":"10-Tucky Tipple"},"validFrom":"1979-03-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509822|C06666|1979-03-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06666","name":"Frontier Companies Of Alaska"},"object":{"type":"operator","id":"P08336","name":"10-Tucky Farms & Stables Inc"},"validFrom":"1979-03-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"1509822","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509822|P08336|1979-03-15|C06666|1979-03-15|72703"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1509822","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"}}