{"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":"2900249","name":"Uniperl Or Uniperl Division"},"operator":{"type":"operator","id":"L01354","name":"Silbrico Corp"},"controller":{"type":"controller","id":"0188340","name":"Chris  Mendius; Steven B Garnett; Todd E Kokes"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01354","name":"Silbrico Corp"},"object":{"type":"mine","id":"2900249","name":"Uniperl Or Uniperl Division"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900249|L01354|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01200","name":"Mendius Carl Jr"},"object":{"type":"mine","id":"2900249","name":"Uniperl Or Uniperl Division"},"validFrom":"1950-01-01","validTo":"2024-10-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900249|M01200|1950-01-01|2024-10-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01200","name":"Mendius Carl Jr"},"object":{"type":"operator","id":"L01354","name":"Silbrico Corp"},"validFrom":"1950-01-01","validTo":"2024-10-08","current":false,"derived":true,"evidenceMineId":"2900249","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900249|L01354|1950-01-01|M01200|1950-01-01|117379"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0188340","name":"Steven B Garnett et al"},"object":{"type":"mine","id":"2900249","name":"Uniperl Or Uniperl Division"},"validFrom":"2024-10-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900249|0188340|2024-10-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0188340","name":"Steven B Garnett et al"},"object":{"type":"operator","id":"L01354","name":"Silbrico Corp"},"validFrom":"2024-10-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"2900249","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900249|L01354|1950-01-01|0188340|2024-10-09|40140"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0188340","name":"Chris  Mendius et al"},"object":{"type":"operator","id":"L01354","name":"Silbrico Corp"},"validFrom":"2024-10-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"2900249","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900249|L01354|1950-01-01|0188340|2024-10-09|40141"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0188340","name":"Todd E Kokes et al"},"object":{"type":"operator","id":"L01354","name":"Silbrico Corp"},"validFrom":"2024-10-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"2900249","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900249|L01354|1950-01-01|0188340|2024-10-09|40142"}}],"coverage":{"historyRecords":4,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2900249","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"}}