{"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":"2103781","name":"Plant 5"},"operator":{"type":"operator","id":"L18256","name":"Northern Aggregate Inc."},"controller":{"type":"controller","id":"0185482","name":"Schulke Family Trust; Eric  Schulke; Kyle  Schulke"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M14035","name":"Rick  Schulke"},"object":{"type":"mine","id":"2103781","name":"Plant 5"},"validFrom":"2001-03-06","validTo":"2024-06-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103781|M14035|2001-03-06|2024-06-05"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18256","name":"Northern Aggregate Inc."},"object":{"type":"mine","id":"2103781","name":"Plant 5"},"validFrom":"2012-07-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103781|L18256|2012-07-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M14035","name":"Rick  Schulke"},"object":{"type":"operator","id":"L18256","name":"Northern Aggregate Inc."},"validFrom":"2012-07-23","validTo":"2024-06-05","current":false,"derived":true,"evidenceMineId":"2103781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103781|L18256|2012-07-23|M14035|2001-03-06|157359"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0185482","name":"Kyle  Schulke et al"},"object":{"type":"mine","id":"2103781","name":"Plant 5"},"validFrom":"2024-06-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103781|0185482|2024-06-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0185482","name":"Kyle  Schulke et al"},"object":{"type":"operator","id":"L18256","name":"Northern Aggregate Inc."},"validFrom":"2024-06-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103781|L18256|2012-07-23|0185482|2024-06-06|39583"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0185482","name":"Eric  Schulke et al"},"object":{"type":"operator","id":"L18256","name":"Northern Aggregate Inc."},"validFrom":"2024-06-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103781|L18256|2012-07-23|0185482|2024-06-06|39584"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0185482","name":"Schulke Family Trust et al"},"object":{"type":"operator","id":"L18256","name":"Northern Aggregate Inc."},"validFrom":"2024-06-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103781","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103781|L18256|2012-07-23|0185482|2024-06-06|39585"}}],"coverage":{"historyRecords":4,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2103781","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"}}