{"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":"0203179","name":"CEMEX - MAGUIREVILLE"},"operator":{"type":"operator","id":"0093625","name":"CEMEX Construction Materials South LLC"},"controller":{"type":"controller","id":"M09149","name":"Cemex S A"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042039","name":"Rinker Group Ltd"},"object":{"type":"mine","id":"0203179","name":"CEMEX - MAGUIREVILLE"},"validFrom":"2004-08-01","validTo":"2007-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203179|0042039|2004-08-01|2007-07-09"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0054139","name":"Rinker Materials"},"object":{"type":"mine","id":"0203179","name":"CEMEX - MAGUIREVILLE"},"validFrom":"2007-05-03","validTo":"2008-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203179|0054139|2007-05-03|2008-07-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042039","name":"Rinker Group Ltd"},"object":{"type":"operator","id":"0054139","name":"Rinker Materials"},"validFrom":"2007-05-03","validTo":"2007-07-09","current":false,"derived":true,"evidenceMineId":"0203179","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203179|0054139|2007-05-03|0042039|2004-08-01|3619"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09149","name":"Cemex S A"},"object":{"type":"mine","id":"0203179","name":"CEMEX - MAGUIREVILLE"},"validFrom":"2007-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203179|M09149|2007-07-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09149","name":"Cemex S A"},"object":{"type":"operator","id":"0054139","name":"Rinker Materials"},"validFrom":"2007-07-10","validTo":"2008-07-31","current":false,"derived":true,"evidenceMineId":"0203179","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203179|0054139|2007-05-03|M09149|2007-07-10|145466"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0093625","name":"CEMEX Construction Materials South LLC"},"object":{"type":"mine","id":"0203179","name":"CEMEX - MAGUIREVILLE"},"validFrom":"2008-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203179|0093625|2008-08-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09149","name":"Cemex S A"},"object":{"type":"mine","id":"0203179","name":"CEMEX - MAGUIREVILLE"},"validFrom":"2008-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203179|M09149|2008-08-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09149","name":"Cemex S A"},"object":{"type":"operator","id":"0093625","name":"CEMEX Construction Materials South LLC"},"validFrom":"2008-08-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0203179","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0203179|0093625|2008-08-01|M09149|2008-08-01|145607"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0203179","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"}}