{"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":"0405457","name":"Diamond J Corp"},"operator":{"type":"operator","id":"0081204","name":"Diamond J Corporation"},"controller":{"type":"controller","id":"M11038","name":"Estate of David(Sam) Johnson; Brad  Johnson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11038","name":"Brad  Johnson  et al"},"object":{"type":"mine","id":"0405457","name":"Diamond J Corp"},"validFrom":"1996-01-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405457|M11038|1996-01-05|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14461","name":"California Rock & Asphalt Inc"},"object":{"type":"mine","id":"0405457","name":"Diamond J Corp"},"validFrom":"2000-09-01","validTo":"2007-06-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405457|L14461|2000-09-01|2007-06-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11038","name":"Brad  Johnson  et al"},"object":{"type":"operator","id":"L14461","name":"California Rock & Asphalt Inc"},"validFrom":"2000-09-01","validTo":"2007-06-11","current":false,"derived":true,"evidenceMineId":"0405457","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405457|L14461|2000-09-01|M11038|1996-01-05|150589"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11038","name":"Estate of David(Sam) Johnson et al"},"object":{"type":"operator","id":"L14461","name":"California Rock & Asphalt Inc"},"validFrom":"2000-09-01","validTo":"2007-06-11","current":false,"derived":true,"evidenceMineId":"0405457","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405457|L14461|2000-09-01|M11038|1996-01-05|150590"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0081204","name":"Diamond J Corporation"},"object":{"type":"mine","id":"0405457","name":"Diamond J Corp"},"validFrom":"2007-06-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405457|0081204|2007-06-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11038","name":"Brad  Johnson  et al"},"object":{"type":"mine","id":"0405457","name":"Diamond J Corp"},"validFrom":"2007-06-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405457|M11038|2007-06-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11038","name":"Brad  Johnson  et al"},"object":{"type":"operator","id":"0081204","name":"Diamond J Corporation"},"validFrom":"2007-06-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"0405457","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405457|0081204|2007-06-12|M11038|2007-06-12|150591"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11038","name":"Estate of David(Sam) Johnson et al"},"object":{"type":"operator","id":"0081204","name":"Diamond J Corporation"},"validFrom":"2007-06-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"0405457","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0405457|0081204|2007-06-12|M11038|2007-06-12|150592"}}],"coverage":{"historyRecords":4,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0405457","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"}}