{"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":"3304709","name":"HWM # 36"},"operator":{"type":"operator","id":"0109325","name":"Commonwealth Mining, LLC"},"controller":{"type":"controller","id":"0148501","name":"SDC LLC; Cox Enterprises LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0092453","name":"L C Management et al"},"object":{"type":"mine","id":"3304709","name":"HWM # 36"},"validFrom":"2010-03-03","validTo":"2018-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304709|0092453|2010-03-03|2018-12-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0109325","name":"Commonwealth Mining, LLC"},"object":{"type":"mine","id":"3304709","name":"HWM # 36"},"validFrom":"2014-03-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304709|0109325|2014-03-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0092453","name":"L C Management et al"},"object":{"type":"operator","id":"0109325","name":"Commonwealth Mining, LLC"},"validFrom":"2014-03-06","validTo":"2018-12-31","current":false,"derived":true,"evidenceMineId":"3304709","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304709|0109325|2014-03-06|0092453|2010-03-03|15145"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0092453","name":"Cox Enterprises et al"},"object":{"type":"operator","id":"0109325","name":"Commonwealth Mining, LLC"},"validFrom":"2014-03-06","validTo":"2018-12-31","current":false,"derived":true,"evidenceMineId":"3304709","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304709|0109325|2014-03-06|0092453|2010-03-03|15146"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0148501","name":"Cox Enterprises LLC et al"},"object":{"type":"mine","id":"3304709","name":"HWM # 36"},"validFrom":"2019-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304709|0148501|2019-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0148501","name":"Cox Enterprises LLC et al"},"object":{"type":"operator","id":"0109325","name":"Commonwealth Mining, LLC"},"validFrom":"2019-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304709","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304709|0109325|2014-03-06|0148501|2019-01-01|30388"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0148501","name":"SDC LLC et al"},"object":{"type":"operator","id":"0109325","name":"Commonwealth Mining, LLC"},"validFrom":"2019-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304709","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304709|0109325|2014-03-06|0148501|2019-01-01|30389"}}],"coverage":{"historyRecords":4,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3304709","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"}}