{"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":"0800729","name":"Sun West Mine"},"operator":{"type":"operator","id":"L17577","name":"Sun West Acquisition Corp"},"controller":{"type":"controller","id":"M10265","name":"John G  Grubbs"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L38878","name":"Sun West Inc"},"object":{"type":"mine","id":"0800729","name":"Sun West Mine"},"validFrom":"1950-01-01","validTo":"1999-01-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800729|L38878|1950-01-01|1999-01-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M38878","name":"Bill  Hunt"},"object":{"type":"mine","id":"0800729","name":"Sun West Mine"},"validFrom":"1950-01-01","validTo":"1999-01-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800729|M38878|1950-01-01|1999-01-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M38878","name":"Bill  Hunt"},"object":{"type":"operator","id":"L38878","name":"Sun West Inc"},"validFrom":"1950-01-01","validTo":"1999-01-19","current":false,"derived":true,"evidenceMineId":"0800729","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800729|L38878|1950-01-01|M38878|1950-01-01|168347"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17577","name":"Sun West Acquisition Corp"},"object":{"type":"mine","id":"0800729","name":"Sun West Mine"},"validFrom":"1999-01-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800729|L17577|1999-01-20|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10265","name":"John G  Grubbs"},"object":{"type":"mine","id":"0800729","name":"Sun West Mine"},"validFrom":"1999-01-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800729|M10265|1999-01-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10265","name":"John G  Grubbs"},"object":{"type":"operator","id":"L17577","name":"Sun West Acquisition Corp"},"validFrom":"1999-01-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"0800729","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0800729|L17577|1999-01-20|M10265|1999-01-20|148743"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0800729","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"}}