{"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":"1901166","name":"Rawson Materials Plant # 10"},"operator":{"type":"operator","id":"L18296","name":"Rawson Materials"},"controller":{"type":"controller","id":"0194341","name":"Strategic Commercial Realty Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00288","name":"O & G Industries Inc"},"object":{"type":"mine","id":"1901166","name":"Rawson Materials Plant # 10"},"validFrom":"2001-04-12","validTo":"2025-04-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1901166|M00288|2001-04-12|2025-04-16"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0082184","name":"Hylka Const. Co. Inc."},"object":{"type":"mine","id":"1901166","name":"Rawson Materials Plant # 10"},"validFrom":"2007-06-19","validTo":"2026-01-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1901166|0082184|2007-06-19|2026-01-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0069311","name":"Francis J.  Hylka Jr"},"object":{"type":"mine","id":"1901166","name":"Rawson Materials Plant # 10"},"validFrom":"2007-06-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1901166|0069311|2007-06-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0069311","name":"Francis J.  Hylka Jr"},"object":{"type":"operator","id":"0082184","name":"Hylka Const. Co. Inc."},"validFrom":"2007-06-19","validTo":"2026-01-23","current":false,"derived":true,"evidenceMineId":"1901166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1901166|0082184|2007-06-19|0069311|2007-06-19|9824"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0194341","name":"Strategic Commercial Realty Inc"},"object":{"type":"mine","id":"1901166","name":"Rawson Materials Plant # 10"},"validFrom":"2025-04-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1901166|0194341|2025-04-17|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18296","name":"Rawson Materials"},"object":{"type":"mine","id":"1901166","name":"Rawson Materials Plant # 10"},"validFrom":"2026-01-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1901166|L18296|2026-01-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0194341","name":"Strategic Commercial Realty Inc"},"object":{"type":"operator","id":"L18296","name":"Rawson Materials"},"validFrom":"2026-01-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"1901166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1901166|L18296|2026-01-24|0194341|2025-04-17|41548"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00288","name":"O & G Industries Inc"},"object":{"type":"operator","id":"L18296","name":"Rawson Materials"},"validFrom":"2026-01-24","validTo":"2025-04-16","current":false,"derived":true,"evidenceMineId":"1901166","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1901166|L18296|2026-01-24|M00288|2001-04-12|108956"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1901166","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"}}