{"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":"0102706","name":"Files Bottom"},"operator":{"type":"operator","id":"P23363","name":"Alabama Land & Mineral Corp"},"controller":{"type":"controller","id":"C10977","name":"Timothy L  McCoy"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02496","name":"Costain Group PLC"},"object":{"type":"mine","id":"0102706","name":"Files Bottom"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102706|C02496|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21731","name":"Costain Coal Inc"},"object":{"type":"mine","id":"0102706","name":"Files Bottom"},"validFrom":"1986-12-01","validTo":"1996-01-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102706|P21731|1986-12-01|1996-01-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02496","name":"Costain Group PLC"},"object":{"type":"operator","id":"P21731","name":"Costain Coal Inc"},"validFrom":"1986-12-01","validTo":"1996-01-01","current":false,"derived":true,"evidenceMineId":"0102706","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102706|P21731|1986-12-01|C02496|1950-01-01|58673"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23363","name":"Alabama Land & Mineral Corp"},"object":{"type":"mine","id":"0102706","name":"Files Bottom"},"validFrom":"1996-01-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102706|P23363|1996-01-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10977","name":"Timothy L  McCoy"},"object":{"type":"mine","id":"0102706","name":"Files Bottom"},"validFrom":"1996-01-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102706|C10977|1996-01-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10977","name":"Timothy L  McCoy"},"object":{"type":"operator","id":"P23363","name":"Alabama Land & Mineral Corp"},"validFrom":"1996-01-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"0102706","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102706|P23363|1996-01-02|C10977|1996-01-02|83269"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0102706","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"}}