{"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":"2602326","name":"Nevada Quality Rock"},"operator":{"type":"operator","id":"L15505","name":"Nevada Quality Rock Inc"},"controller":{"type":"controller","id":"0150303","name":"Efrain Rene  Morales Moreno"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15505","name":"Nevada Quality Rock Inc"},"object":{"type":"mine","id":"2602326","name":"Nevada Quality Rock"},"validFrom":"1997-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602326|L15505|1997-10-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11825","name":"Sven O  Persson"},"object":{"type":"mine","id":"2602326","name":"Nevada Quality Rock"},"validFrom":"1997-10-01","validTo":"2004-02-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602326|M11825|1997-10-01|2004-02-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11825","name":"Sven O  Persson"},"object":{"type":"operator","id":"L15505","name":"Nevada Quality Rock Inc"},"validFrom":"1997-10-01","validTo":"2004-02-23","current":false,"derived":true,"evidenceMineId":"2602326","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602326|L15505|1997-10-01|M11825|1997-10-01|152498"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042843","name":"Jan L  Lindqvist"},"object":{"type":"mine","id":"2602326","name":"Nevada Quality Rock"},"validFrom":"2004-02-24","validTo":"2021-11-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602326|0042843|2004-02-24|2021-11-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042843","name":"Jan L  Lindqvist"},"object":{"type":"operator","id":"L15505","name":"Nevada Quality Rock Inc"},"validFrom":"2004-02-24","validTo":"2021-11-29","current":false,"derived":true,"evidenceMineId":"2602326","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602326|L15505|1997-10-01|0042843|2004-02-24|4344"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0168060","name":"James C Wulfenstein"},"object":{"type":"mine","id":"2602326","name":"Nevada Quality Rock"},"validFrom":"2021-11-30","validTo":"2026-06-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602326|0168060|2021-11-30|2026-06-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0168060","name":"James C Wulfenstein"},"object":{"type":"operator","id":"L15505","name":"Nevada Quality Rock Inc"},"validFrom":"2021-11-30","validTo":"2026-06-01","current":false,"derived":true,"evidenceMineId":"2602326","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602326|L15505|1997-10-01|0168060|2021-11-30|35446"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0150303","name":"Efrain Rene  Morales Moreno"},"object":{"type":"mine","id":"2602326","name":"Nevada Quality Rock"},"validFrom":"2026-06-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602326|0150303|2026-06-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0150303","name":"Efrain Rene  Morales Moreno"},"object":{"type":"operator","id":"L15505","name":"Nevada Quality Rock Inc"},"validFrom":"2026-06-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602326","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602326|L15505|1997-10-01|0150303|2026-06-02|30979"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2602326","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"}}