{"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":"2402691","name":"BLM BENT #4"},"operator":{"type":"operator","id":"0087764","name":"Imerys Minerals USA, Inc."},"controller":{"type":"controller","id":"0179620","name":"Platinum Equity LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0073771","name":"S & B Industrial Minerals S A"},"object":{"type":"mine","id":"2402691","name":"BLM BENT #4"},"validFrom":"2008-01-01","validTo":"2015-02-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402691|0073771|2008-01-01|2015-02-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11763","name":"Imerys S A"},"object":{"type":"mine","id":"2402691","name":"BLM BENT #4"},"validFrom":"2015-02-26","validTo":"2023-09-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402691|M11763|2015-02-26|2023-09-10"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0087764","name":"Imerys Minerals USA, Inc."},"object":{"type":"mine","id":"2402691","name":"BLM BENT #4"},"validFrom":"2015-07-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402691|0087764|2015-07-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0073771","name":"S & B Industrial Minerals S A"},"object":{"type":"operator","id":"0087764","name":"Imerys Minerals USA, Inc."},"validFrom":"2015-07-20","validTo":"2015-02-25","current":false,"derived":true,"evidenceMineId":"2402691","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402691|0087764|2015-07-20|0073771|2008-01-01|11486"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11763","name":"Imerys S A"},"object":{"type":"operator","id":"0087764","name":"Imerys Minerals USA, Inc."},"validFrom":"2015-07-20","validTo":"2023-09-10","current":false,"derived":true,"evidenceMineId":"2402691","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402691|0087764|2015-07-20|M11763|2015-02-26|152349"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0179620","name":"Platinum Equity LLC"},"object":{"type":"mine","id":"2402691","name":"BLM BENT #4"},"validFrom":"2023-09-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402691|0179620|2023-09-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0179620","name":"Platinum Equity LLC"},"object":{"type":"operator","id":"0087764","name":"Imerys Minerals USA, Inc."},"validFrom":"2023-09-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"2402691","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402691|0087764|2015-07-20|0179620|2023-09-11|38406"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2402691","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"}}