{"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":"0404747","name":"Bryman Pit"},"operator":{"type":"operator","id":"L12478","name":"Boral Resources Inc"},"controller":{"type":"controller","id":"M00202","name":"Boral Limited"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06237","name":"Mendel Al Jr"},"object":{"type":"mine","id":"0404747","name":"Bryman Pit"},"validFrom":"1980-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404747|M06237|1980-05-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07847","name":"Desert Construction Company"},"object":{"type":"mine","id":"0404747","name":"Bryman Pit"},"validFrom":"1985-06-01","validTo":"1988-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404747|L07847|1985-06-01|1988-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06237","name":"Mendel Al Jr"},"object":{"type":"operator","id":"L07847","name":"Desert Construction Company"},"validFrom":"1985-06-01","validTo":"1988-12-31","current":false,"derived":true,"evidenceMineId":"0404747","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404747|L07847|1985-06-01|M06237|1980-05-01|137905"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00202","name":"Boral Limited"},"object":{"type":"mine","id":"0404747","name":"Bryman Pit"},"validFrom":"1988-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404747|M00202|1988-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12478","name":"Boral Resources Inc"},"object":{"type":"mine","id":"0404747","name":"Bryman Pit"},"validFrom":"1989-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404747|L12478|1989-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00202","name":"Boral Limited"},"object":{"type":"operator","id":"L12478","name":"Boral Resources Inc"},"validFrom":"1989-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0404747","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404747|L12478|1989-01-01|M00202|1988-01-01|107350"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0404747","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"}}