{"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":"3102124","name":"Beck Mine"},"operator":{"type":"operator","id":"0057717","name":"General Shale Brick, Inc."},"controller":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M32263","name":"Neal  Cunningham  et al"},"object":{"type":"mine","id":"3102124","name":"Beck Mine"},"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":"3102124|M32263|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L32263","name":"Cunningham Brick Co Inc"},"object":{"type":"mine","id":"3102124","name":"Beck Mine"},"validFrom":"1997-10-01","validTo":"2013-12-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102124|L32263|1997-10-01|2013-12-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M32263","name":"Neal  Cunningham  et al"},"object":{"type":"operator","id":"L32263","name":"Cunningham Brick Co Inc"},"validFrom":"1997-10-01","validTo":"2013-12-08","current":false,"derived":true,"evidenceMineId":"3102124","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102124|L32263|1997-10-01|M32263|1950-01-01|160677"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"mine","id":"3102124","name":"Beck Mine"},"validFrom":"2002-07-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102124|M13043|2002-07-19|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0057717","name":"General Shale Brick, Inc."},"object":{"type":"mine","id":"3102124","name":"Beck Mine"},"validFrom":"2013-12-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102124|0057717|2013-12-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"operator","id":"0057717","name":"General Shale Brick, Inc."},"validFrom":"2013-12-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"3102124","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102124|0057717|2013-12-09|M13043|2002-07-19|155261"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3102124","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"}}