{"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":"2003275","name":"Superior Plant"},"operator":{"type":"operator","id":"0146413","name":"Thumb Aggregate Sales LLC"},"controller":{"type":"controller","id":"0127521","name":"Charles E  Stringer"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051688","name":"Thumb Aggregates Inc"},"object":{"type":"mine","id":"2003275","name":"Superior Plant"},"validFrom":"2003-07-09","validTo":"2016-07-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2003275|0051688|2003-07-09|2016-07-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042303","name":"Douglas L  Wilson"},"object":{"type":"mine","id":"2003275","name":"Superior Plant"},"validFrom":"2003-07-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2003275|0042303|2003-07-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042303","name":"Douglas L  Wilson"},"object":{"type":"operator","id":"0051688","name":"Thumb Aggregates Inc"},"validFrom":"2003-07-09","validTo":"2016-07-23","current":false,"derived":true,"evidenceMineId":"2003275","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2003275|0051688|2003-07-09|0042303|2003-07-09|3849"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0146413","name":"Thumb Aggregate Sales LLC"},"object":{"type":"mine","id":"2003275","name":"Superior Plant"},"validFrom":"2016-07-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2003275|0146413|2016-07-24|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127521","name":"Charles E  Stringer"},"object":{"type":"mine","id":"2003275","name":"Superior Plant"},"validFrom":"2016-07-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2003275|0127521|2016-07-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127521","name":"Charles E  Stringer"},"object":{"type":"operator","id":"0146413","name":"Thumb Aggregate Sales LLC"},"validFrom":"2016-07-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"2003275","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2003275|0146413|2016-07-24|0127521|2016-07-24|25012"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2003275","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"}}