{"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":"4002704","name":"No 33"},"operator":{"type":"operator","id":"P21119","name":"S & W Coal Company Inc"},"controller":{"type":"controller","id":"C14232","name":"Sanders Larry H"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02241","name":"Meeks Franklin Dee"},"object":{"type":"mine","id":"4002704","name":"No 33"},"validFrom":"1974-08-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002704|C02241|1974-08-13|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02602","name":"Marion Coal Company Inc"},"object":{"type":"mine","id":"4002704","name":"No 33"},"validFrom":"1981-02-01","validTo":"1990-07-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002704|P02602|1981-02-01|1990-07-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02241","name":"Meeks Franklin Dee"},"object":{"type":"operator","id":"P02602","name":"Marion Coal Company Inc"},"validFrom":"1981-02-01","validTo":"1990-07-29","current":false,"derived":true,"evidenceMineId":"4002704","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002704|P02602|1981-02-01|C02241|1974-08-13|57919"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21119","name":"S & W Coal Company Inc"},"object":{"type":"mine","id":"4002704","name":"No 33"},"validFrom":"1990-07-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002704|P21119|1990-07-30|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14232","name":"Sanders Larry H"},"object":{"type":"mine","id":"4002704","name":"No 33"},"validFrom":"1990-07-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002704|C14232|1990-07-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14232","name":"Sanders Larry H"},"object":{"type":"operator","id":"P21119","name":"S & W Coal Company Inc"},"validFrom":"1990-07-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"4002704","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002704|P21119|1990-07-30|C14232|1990-07-30|92279"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4002704","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"}}