{"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":"3901572","name":"Panco Pit Portable #1"},"operator":{"type":"operator","id":"0119099","name":"Site Work Specialists"},"controller":{"type":"controller","id":"0101101","name":"James L  Scull Jr; Douglas A  Wilson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0118549","name":"Panco LLC"},"object":{"type":"mine","id":"3901572","name":"Panco Pit Portable #1"},"validFrom":"2011-05-13","validTo":"2011-08-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901572|0118549|2011-05-13|2011-08-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0100525","name":"Douglas A  Wilson et al"},"object":{"type":"mine","id":"3901572","name":"Panco Pit Portable #1"},"validFrom":"2011-05-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901572|0100525|2011-05-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100525","name":"Douglas A  Wilson et al"},"object":{"type":"operator","id":"0118549","name":"Panco LLC"},"validFrom":"2011-05-13","validTo":"2011-08-15","current":false,"derived":true,"evidenceMineId":"3901572","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901572|0118549|2011-05-13|0100525|2011-05-13|16824"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100525","name":"James L  Scull Jr et al"},"object":{"type":"operator","id":"0118549","name":"Panco LLC"},"validFrom":"2011-05-13","validTo":"2011-08-15","current":false,"derived":true,"evidenceMineId":"3901572","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901572|0118549|2011-05-13|0100525|2011-05-13|16825"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0119099","name":"Site Work Specialists"},"object":{"type":"mine","id":"3901572","name":"Panco Pit Portable #1"},"validFrom":"2011-08-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901572|0119099|2011-08-16|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0101101","name":"James L  Scull Jr et al"},"object":{"type":"mine","id":"3901572","name":"Panco Pit Portable #1"},"validFrom":"2011-08-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901572|0101101|2011-08-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0101101","name":"James L  Scull Jr et al"},"object":{"type":"operator","id":"0119099","name":"Site Work Specialists"},"validFrom":"2011-08-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"3901572","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901572|0119099|2011-08-16|0101101|2011-08-16|17023"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0101101","name":"Douglas A  Wilson et al"},"object":{"type":"operator","id":"0119099","name":"Site Work Specialists"},"validFrom":"2011-08-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"3901572","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901572|0119099|2011-08-16|0101101|2011-08-16|17024"}}],"coverage":{"historyRecords":4,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3901572","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"}}