{"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":"1001932","name":"Gillingham Const Inc"},"operator":{"type":"operator","id":"L11831","name":"Gillingham Construction  Inc"},"controller":{"type":"controller","id":"M09123","name":"Larry  Gillingham"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09123","name":"Larry  Gillingham"},"object":{"type":"mine","id":"1001932","name":"Gillingham Const Inc"},"validFrom":"1987-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001932|M09123|1987-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15493","name":"Can-Ada Crushing & Gravel Co"},"object":{"type":"mine","id":"1001932","name":"Gillingham Const Inc"},"validFrom":"1997-11-01","validTo":"2003-11-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001932|L15493|1997-11-01|2003-11-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11814","name":"Kevin L  Rowley"},"object":{"type":"mine","id":"1001932","name":"Gillingham Const Inc"},"validFrom":"1997-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001932|M11814|1997-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11814","name":"Kevin L  Rowley"},"object":{"type":"operator","id":"L15493","name":"Can-Ada Crushing & Gravel Co"},"validFrom":"1997-11-01","validTo":"2003-11-18","current":false,"derived":true,"evidenceMineId":"1001932","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001932|L15493|1997-11-01|M11814|1997-11-01|152478"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11831","name":"Gillingham Construction  Inc"},"object":{"type":"mine","id":"1001932","name":"Gillingham Const Inc"},"validFrom":"2003-11-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001932|L11831|2003-11-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09123","name":"Larry  Gillingham"},"object":{"type":"operator","id":"L11831","name":"Gillingham Construction  Inc"},"validFrom":"2003-11-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"1001932","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1001932|L11831|2003-11-19|M09123|1987-03-01|145130"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1001932","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"}}