{"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":"1518598","name":"#1"},"operator":{"type":"operator","id":"0051282","name":"White Cat Mining, Inc."},"controller":{"type":"controller","id":"0041739","name":"Kirsch Family LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050997","name":"Crabtree Mining Enterprises, Inc."},"object":{"type":"mine","id":"1518598","name":"#1"},"validFrom":"2002-12-17","validTo":"2003-02-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518598|0050997|2002-12-17|2003-02-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041353","name":"Donna  Cornett et al"},"object":{"type":"mine","id":"1518598","name":"#1"},"validFrom":"2002-12-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518598|0041353|2002-12-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041353","name":"Donna  Cornett et al"},"object":{"type":"operator","id":"0050997","name":"Crabtree Mining Enterprises, Inc."},"validFrom":"2002-12-17","validTo":"2003-02-11","current":false,"derived":true,"evidenceMineId":"1518598","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518598|0050997|2002-12-17|0041353|2002-12-17|2463"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041353","name":"Lester Ray  Crabtree Jr et al"},"object":{"type":"operator","id":"0050997","name":"Crabtree Mining Enterprises, Inc."},"validFrom":"2002-12-17","validTo":"2003-02-11","current":false,"derived":true,"evidenceMineId":"1518598","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518598|0050997|2002-12-17|0041353|2002-12-17|2464"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051282","name":"White Cat Mining, Inc."},"object":{"type":"mine","id":"1518598","name":"#1"},"validFrom":"2003-02-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518598|0051282|2003-02-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041739","name":"Kirsch Family LLC"},"object":{"type":"mine","id":"1518598","name":"#1"},"validFrom":"2003-02-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518598|0041739|2003-02-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041739","name":"Kirsch Family LLC"},"object":{"type":"operator","id":"0051282","name":"White Cat Mining, Inc."},"validFrom":"2003-02-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518598","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518598|0051282|2003-02-12|0041739|2003-02-12|3026"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518598","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"}}