{"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":"3401114","name":"Carol Jo #2"},"operator":{"type":"operator","id":"P12143","name":"Cimarron Coal Company"},"controller":{"type":"controller","id":"C09003","name":"Arnold Herbert Iii"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08795","name":"Mac Coal Sales Inc"},"object":{"type":"mine","id":"3401114","name":"Carol Jo #2"},"validFrom":"1978-09-01","validTo":"1981-08-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401114|P08795|1978-09-01|1981-08-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04298","name":"Mc Coy Harry P"},"object":{"type":"mine","id":"3401114","name":"Carol Jo #2"},"validFrom":"1978-09-01","validTo":"1981-08-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401114|C04298|1978-09-01|1981-08-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04298","name":"Mc Coy Harry P"},"object":{"type":"operator","id":"P08795","name":"Mac Coal Sales Inc"},"validFrom":"1978-09-01","validTo":"1981-08-25","current":false,"derived":true,"evidenceMineId":"3401114","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401114|P08795|1978-09-01|C04298|1978-09-01|65314"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12143","name":"Cimarron Coal Company"},"object":{"type":"mine","id":"3401114","name":"Carol Jo #2"},"validFrom":"1981-08-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401114|P12143|1981-08-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09003","name":"Arnold Herbert Iii"},"object":{"type":"mine","id":"3401114","name":"Carol Jo #2"},"validFrom":"1981-08-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401114|C09003|1981-08-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09003","name":"Arnold Herbert Iii"},"object":{"type":"operator","id":"P12143","name":"Cimarron Coal Company"},"validFrom":"1981-08-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"3401114","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401114|P12143|1981-08-26|C09003|1981-08-26|78642"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3401114","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"}}