{"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":"1601385","name":"AIMWELL #1"},"operator":{"type":"operator","id":"0196793","name":"Pokey's Materials, LLC"},"controller":{"type":"controller","id":"0186021","name":"Merrell A.  Adkins"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11356","name":"James C  Amberg"},"object":{"type":"mine","id":"1601385","name":"AIMWELL #1"},"validFrom":"1996-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601385|M11356|1996-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14924","name":"Amberg Trucking Inc"},"object":{"type":"mine","id":"1601385","name":"AIMWELL #1"},"validFrom":"2001-07-01","validTo":"2023-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601385|L14924|2001-07-01|2023-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11356","name":"James C  Amberg"},"object":{"type":"operator","id":"L14924","name":"Amberg Trucking Inc"},"validFrom":"2001-07-01","validTo":"2023-09-30","current":false,"derived":true,"evidenceMineId":"1601385","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601385|L14924|2001-07-01|M11356|1996-07-01|151238"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0196793","name":"Pokey's Materials, LLC"},"object":{"type":"mine","id":"1601385","name":"AIMWELL #1"},"validFrom":"2023-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601385|0196793|2023-10-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0186021","name":"Merrell A.  Adkins"},"object":{"type":"mine","id":"1601385","name":"AIMWELL #1"},"validFrom":"2023-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601385|0186021|2023-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0186021","name":"Merrell A.  Adkins"},"object":{"type":"operator","id":"0196793","name":"Pokey's Materials, LLC"},"validFrom":"2023-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1601385","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601385|0196793|2023-10-01|0186021|2023-10-01|39678"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1601385","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"}}