{"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":"4101502","name":"Tumbledown Mine"},"operator":{"type":"operator","id":"L00271","name":"Milwhite Inc."},"controller":{"type":"controller","id":"M00219","name":"Milwhite Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00219","name":"Milwhite Inc"},"object":{"type":"mine","id":"4101502","name":"Tumbledown 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":"4101502|M00219|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02528","name":"Tal-Mic Inc"},"object":{"type":"mine","id":"4101502","name":"Tumbledown Mine"},"validFrom":"1950-01-01","validTo":"1978-08-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4101502|L02528|1950-01-01|1978-08-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02187","name":"Lloyd  Krumer"},"object":{"type":"mine","id":"4101502","name":"Tumbledown Mine"},"validFrom":"1950-01-01","validTo":"1978-08-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4101502|M02187|1950-01-01|1978-08-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02187","name":"Lloyd  Krumer"},"object":{"type":"operator","id":"L02528","name":"Tal-Mic Inc"},"validFrom":"1950-01-01","validTo":"1978-08-08","current":false,"derived":true,"evidenceMineId":"4101502","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4101502|L02528|1950-01-01|M02187|1950-01-01|124221"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00271","name":"Milwhite Inc."},"object":{"type":"mine","id":"4101502","name":"Tumbledown Mine"},"validFrom":"1978-08-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4101502|L00271|1978-08-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00219","name":"Milwhite Inc"},"object":{"type":"operator","id":"L00271","name":"Milwhite Inc."},"validFrom":"1978-08-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"4101502","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4101502|L00271|1978-08-09|M00219|1950-01-01|107592"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4101502","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"}}