{"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":"3004068","name":"POWER SCREEN TRAKPACTOR 320SR"},"operator":{"type":"operator","id":"0127593","name":"T & C MOBILE HOME & CONSTRUCTION SERVICES LLC"},"controller":{"type":"controller","id":"0108521","name":"Troy A  Donnelly"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0108521","name":"Troy A  Donnelly"},"object":{"type":"mine","id":"3004068","name":"POWER SCREEN TRAKPACTOR 320SR"},"validFrom":"2013-03-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3004068|0108521|2013-03-06|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0127593","name":"T & C Mobile Home & Construction Services LLC"},"object":{"type":"mine","id":"3004068","name":"POWER SCREEN TRAKPACTOR 320SR"},"validFrom":"2021-02-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3004068|0127593|2021-02-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0108521","name":"Troy A  Donnelly"},"object":{"type":"operator","id":"0127593","name":"T & C Mobile Home & Construction Services LLC"},"validFrom":"2021-02-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"3004068","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3004068|0127593|2021-02-23|0108521|2013-03-06|19535"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3004068","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"}}