{"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":"4606370","name":"Mine No 2"},"operator":{"type":"operator","id":"P20116","name":"Teays Mining Inc"},"controller":{"type":"controller","id":"C13735","name":"Smith Stirl Richard"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12656","name":"Tony'S Colliery Inc"},"object":{"type":"mine","id":"4606370","name":"Mine No 2"},"validFrom":"1981-07-01","validTo":"1989-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606370|P12656|1981-07-01|1989-10-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08922","name":"Politino Rodney & Tony Jr"},"object":{"type":"mine","id":"4606370","name":"Mine No 2"},"validFrom":"1981-07-01","validTo":"1989-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606370|C08922|1981-07-01|1989-10-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08922","name":"Politino Rodney & Tony Jr"},"object":{"type":"operator","id":"P12656","name":"Tony'S Colliery Inc"},"validFrom":"1981-07-01","validTo":"1989-10-31","current":false,"derived":true,"evidenceMineId":"4606370","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606370|P12656|1981-07-01|C08922|1981-07-01|78454"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13735","name":"Smith Stirl Richard"},"object":{"type":"mine","id":"4606370","name":"Mine No 2"},"validFrom":"1989-01-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606370|C13735|1989-01-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20116","name":"Teays Mining Inc"},"object":{"type":"mine","id":"4606370","name":"Mine No 2"},"validFrom":"1989-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606370|P20116|1989-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13735","name":"Smith Stirl Richard"},"object":{"type":"operator","id":"P20116","name":"Teays Mining Inc"},"validFrom":"1989-11-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606370","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606370|P20116|1989-11-01|C13735|1989-01-18|90960"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606370","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"}}