{"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":"2301716","name":"KRULL"},"operator":{"type":"operator","id":"L12373","name":"Scego Trucking, Inc"},"controller":{"type":"controller","id":"M09498","name":"Leon J  Scego"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12372","name":"Thomas P Scego"},"object":{"type":"mine","id":"2301716","name":"KRULL"},"validFrom":"1978-03-09","validTo":"1991-08-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2301716|L12372|1978-03-09|1991-08-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09497","name":"Thomas P  Scego"},"object":{"type":"mine","id":"2301716","name":"KRULL"},"validFrom":"1978-03-09","validTo":"1991-08-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2301716|M09497|1978-03-09|1991-08-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09497","name":"Thomas P  Scego"},"object":{"type":"operator","id":"L12372","name":"Thomas P Scego"},"validFrom":"1978-03-09","validTo":"1991-08-28","current":false,"derived":true,"evidenceMineId":"2301716","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2301716|L12372|1978-03-09|M09497|1978-03-09|146538"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12373","name":"Scego Trucking, Inc"},"object":{"type":"mine","id":"2301716","name":"KRULL"},"validFrom":"1991-08-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2301716|L12373|1991-08-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09498","name":"Leon J  Scego"},"object":{"type":"mine","id":"2301716","name":"KRULL"},"validFrom":"1991-08-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2301716|M09498|1991-08-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09498","name":"Leon J  Scego"},"object":{"type":"operator","id":"L12373","name":"Scego Trucking, Inc"},"validFrom":"1991-08-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"2301716","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2301716|L12373|1991-08-29|M09498|1991-08-29|146539"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2301716","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"}}