{"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":"4202628","name":"PR Spring Mine"},"operator":{"type":"operator","id":"0159273","name":"2020 Resources LLC"},"controller":{"type":"controller","id":"0143421","name":"Anchorage Capital Group, LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0133034","name":"US Oil Sands (Utah) Inc."},"object":{"type":"mine","id":"4202628","name":"PR Spring Mine"},"validFrom":"2014-04-24","validTo":"2018-07-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202628|0133034|2014-04-24|2018-07-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0113223","name":"Glen  Snarr et al"},"object":{"type":"mine","id":"4202628","name":"PR Spring Mine"},"validFrom":"2014-04-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202628|0113223|2014-04-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0113223","name":"Glen  Snarr et al"},"object":{"type":"operator","id":"0133034","name":"US Oil Sands (Utah) Inc."},"validFrom":"2014-04-24","validTo":"2018-07-26","current":false,"derived":true,"evidenceMineId":"4202628","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202628|0133034|2014-04-24|0113223|2014-04-24|21095"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0113223","name":"Cameron  Todd et al"},"object":{"type":"operator","id":"0133034","name":"US Oil Sands (Utah) Inc."},"validFrom":"2014-04-24","validTo":"2018-07-26","current":false,"derived":true,"evidenceMineId":"4202628","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202628|0133034|2014-04-24|0113223|2014-04-24|21096"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0159273","name":"2020 Resources LLC"},"object":{"type":"mine","id":"4202628","name":"PR Spring Mine"},"validFrom":"2018-07-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202628|0159273|2018-07-27|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0143421","name":"Anchorage Capital Group, LLC"},"object":{"type":"mine","id":"4202628","name":"PR Spring Mine"},"validFrom":"2018-07-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202628|0143421|2018-07-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0143421","name":"Anchorage Capital Group, LLC"},"object":{"type":"operator","id":"0159273","name":"2020 Resources LLC"},"validFrom":"2018-07-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"4202628","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202628|0159273|2018-07-27|0143421|2018-07-27|29099"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4202628","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"}}