{"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":"4604108","name":"No 2"},"operator":{"type":"operator","id":"P17971","name":"Panther Energy Inc"},"controller":{"type":"controller","id":"C07746","name":"D L (Jack)  Bowling"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00694","name":"Bailey Doug"},"object":{"type":"mine","id":"4604108","name":"No 2"},"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":"4604108|C00694|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06148","name":"Cyprus Amax Minerals Company"},"object":{"type":"mine","id":"4604108","name":"No 2"},"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":"4604108|C06148|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00719","name":"Cannelton Industries Inc"},"object":{"type":"mine","id":"4604108","name":"No 2"},"validFrom":"1974-01-01","validTo":"1976-01-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604108|P00719|1974-01-01|1976-01-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06148","name":"Cyprus Amax Minerals Company"},"object":{"type":"operator","id":"P00719","name":"Cannelton Industries Inc"},"validFrom":"1974-01-01","validTo":"1976-01-27","current":false,"derived":true,"evidenceMineId":"4604108","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604108|P00719|1974-01-01|C06148|1950-01-01|70905"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00901","name":"Panther Creek Coal Company"},"object":{"type":"mine","id":"4604108","name":"No 2"},"validFrom":"1976-01-28","validTo":"1986-07-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604108|P00901|1976-01-28|1986-07-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00694","name":"Bailey Doug"},"object":{"type":"operator","id":"P00901","name":"Panther Creek Coal Company"},"validFrom":"1976-01-28","validTo":"1986-07-27","current":false,"derived":true,"evidenceMineId":"4604108","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604108|P00901|1976-01-28|C00694|1950-01-01|49428"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17971","name":"Panther Energy Inc"},"object":{"type":"mine","id":"4604108","name":"No 2"},"validFrom":"1986-07-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604108|P17971|1986-07-28|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07746","name":"D L (Jack)  Bowling"},"object":{"type":"mine","id":"4604108","name":"No 2"},"validFrom":"1986-07-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604108|C07746|1986-07-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07746","name":"D L (Jack)  Bowling"},"object":{"type":"operator","id":"P17971","name":"Panther Energy Inc"},"validFrom":"1986-07-28","validTo":null,"current":true,"derived":true,"evidenceMineId":"4604108","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604108|P17971|1986-07-28|C07746|1986-07-28|75605"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4604108","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"}}