{"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":"4202356","name":"Princess Mine"},"operator":{"type":"operator","id":"0172873","name":"Utah Land Resources, Inc."},"controller":{"type":"controller","id":"0157801","name":"ACNR Holdings, Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06602","name":"Andalex Resources B V"},"object":{"type":"mine","id":"4202356","name":"Princess Mine"},"validFrom":"1995-01-12","validTo":"2006-08-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202356|C06602|1995-01-12|2006-08-08"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23044","name":"Genwal Resources, Inc."},"object":{"type":"mine","id":"4202356","name":"Princess Mine"},"validFrom":"2003-03-03","validTo":"2020-09-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202356|P23044|2003-03-03|2020-09-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06602","name":"Andalex Resources B V"},"object":{"type":"operator","id":"P23044","name":"Genwal Resources, Inc."},"validFrom":"2003-03-03","validTo":"2006-08-08","current":false,"derived":true,"evidenceMineId":"4202356","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202356|P23044|2003-03-03|C06602|1995-01-12|72255"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"mine","id":"4202356","name":"Princess Mine"},"validFrom":"2006-08-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202356|C13408|2006-08-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"operator","id":"P23044","name":"Genwal Resources, Inc."},"validFrom":"2006-08-09","validTo":"2020-09-16","current":false,"derived":true,"evidenceMineId":"4202356","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202356|P23044|2003-03-03|C13408|2006-08-09|89611"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0172873","name":"Utah Land Resources, Inc."},"object":{"type":"mine","id":"4202356","name":"Princess Mine"},"validFrom":"2020-09-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202356|0172873|2020-09-17|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0157801","name":"ACNR Holdings, Inc"},"object":{"type":"mine","id":"4202356","name":"Princess Mine"},"validFrom":"2020-09-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202356|0157801|2020-09-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0157801","name":"ACNR Holdings, Inc"},"object":{"type":"operator","id":"0172873","name":"Utah Land Resources, Inc."},"validFrom":"2020-09-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"4202356","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202356|0172873|2020-09-17|0157801|2020-09-17|32656"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4202356","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"}}