{"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":"4105509","name":"Amarillo Pit"},"operator":{"type":"operator","id":"0198913","name":"NM Energy LLC"},"controller":{"type":"controller","id":"M10343","name":"GCC SAB de CV"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0116863","name":"Gravity Segregation LLC et al"},"object":{"type":"mine","id":"4105509","name":"Amarillo Pit"},"validFrom":"2014-12-06","validTo":"2015-12-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105509|0116863|2014-12-06|2015-12-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0126661","name":"Alta Rock Ventures, LLC"},"object":{"type":"mine","id":"4105509","name":"Amarillo Pit"},"validFrom":"2015-12-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105509|0126661|2015-12-21|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0137393","name":"Alta Rock, LLC"},"object":{"type":"mine","id":"4105509","name":"Amarillo Pit"},"validFrom":"2020-07-09","validTo":"2024-10-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105509|0137393|2020-07-09|2024-10-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116863","name":"Gravity Segregation LLC et al"},"object":{"type":"operator","id":"0137393","name":"Alta Rock, LLC"},"validFrom":"2020-07-09","validTo":"2015-12-20","current":false,"derived":true,"evidenceMineId":"4105509","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105509|0137393|2020-07-09|0116863|2014-12-06|22164"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116863","name":"David  Knudsen et al"},"object":{"type":"operator","id":"0137393","name":"Alta Rock, LLC"},"validFrom":"2020-07-09","validTo":"2015-12-20","current":false,"derived":true,"evidenceMineId":"4105509","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105509|0137393|2020-07-09|0116863|2014-12-06|22165"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0126661","name":"Alta Rock Ventures, LLC"},"object":{"type":"operator","id":"0137393","name":"Alta Rock, LLC"},"validFrom":"2020-07-09","validTo":"2024-10-29","current":false,"derived":true,"evidenceMineId":"4105509","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105509|0137393|2020-07-09|0126661|2015-12-21|24533"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10343","name":"GCC SAB de CV"},"object":{"type":"mine","id":"4105509","name":"Amarillo Pit"},"validFrom":"2024-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105509|M10343|2024-09-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0198913","name":"NM Energy LLC"},"object":{"type":"mine","id":"4105509","name":"Amarillo Pit"},"validFrom":"2024-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105509|0198913|2024-10-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10343","name":"GCC SAB de CV"},"object":{"type":"operator","id":"0198913","name":"NM Energy LLC"},"validFrom":"2024-10-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"4105509","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4105509|0198913|2024-10-30|M10343|2024-09-01|149081"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4105509","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"}}