{"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":"2026-10-17T05:35:58.500035+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":"4104938","name":"Gillett Plant"},"operator":{"type":"operator","id":"0198913","name":"NM ENERGY LLC"},"controller":{"type":"controller","id":"M10343","name":"GCC SAB de CV"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0088615","name":"Kenneth R Rusty\"  Simpson et al\""},"object":{"type":"mine","id":"4104938","name":"Gillett Plant"},"validFrom":"2009-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104938|0088615|2009-10-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0104746","name":"Simpson Crushed Stone, LLC"},"object":{"type":"mine","id":"4104938","name":"Gillett Plant"},"validFrom":"2012-04-04","validTo":"2025-03-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104938|0104746|2012-04-04|2025-03-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0088615","name":"Kenneth R Rusty\"  Simpson et al\""},"object":{"type":"operator","id":"0104746","name":"Simpson Crushed Stone, LLC"},"validFrom":"2012-04-04","validTo":"2025-03-25","current":false,"derived":true,"evidenceMineId":"4104938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104938|0104746|2012-04-04|0088615|2009-10-01|14242"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0088615","name":"Stacey M Shelly\" Simpson et al\""},"object":{"type":"operator","id":"0104746","name":"Simpson Crushed Stone, LLC"},"validFrom":"2012-04-04","validTo":"2025-03-25","current":false,"derived":true,"evidenceMineId":"4104938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104938|0104746|2012-04-04|0088615|2009-10-01|14243"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10343","name":"GCC SAB de CV"},"object":{"type":"mine","id":"4104938","name":"Gillett Plant"},"validFrom":"2024-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104938|M10343|2024-09-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0198913","name":"NM ENERGY LLC"},"object":{"type":"mine","id":"4104938","name":"Gillett Plant"},"validFrom":"2025-03-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104938|0198913|2025-03-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10343","name":"GCC SAB de CV"},"object":{"type":"operator","id":"0198913","name":"NM ENERGY LLC"},"validFrom":"2025-03-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"4104938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4104938|0198913|2025-03-26|M10343|2024-09-01|149109"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4104938","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}