{"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":"2003228","name":"Belle Valley Supply L.L.C."},"operator":{"type":"operator","id":"0052503","name":"Belle Valley Supply L.L.C."},"controller":{"type":"controller","id":"0043343","name":"Brian L  Pitt; Wayne Harold  Toby; Salvatore  Pansera"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M34680","name":"Joyce A  Treash"},"object":{"type":"mine","id":"2003228","name":"Belle Valley Supply L.L.C."},"validFrom":"1981-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2003228|M34680|1981-08-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L34680","name":"J.T. Express LTD"},"object":{"type":"mine","id":"2003228","name":"Belle Valley Supply L.L.C."},"validFrom":"2001-10-04","validTo":"2004-01-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2003228|L34680|2001-10-04|2004-01-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M34680","name":"Joyce A  Treash"},"object":{"type":"operator","id":"L34680","name":"J.T. Express LTD"},"validFrom":"2001-10-04","validTo":"2004-01-03","current":false,"derived":true,"evidenceMineId":"2003228","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2003228|L34680|2001-10-04|M34680|1981-08-01|163525"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0052503","name":"Belle Valley Supply L.L.C."},"object":{"type":"mine","id":"2003228","name":"Belle Valley Supply L.L.C."},"validFrom":"2004-01-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2003228|0052503|2004-01-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0043343","name":"Salvatore  Pansera  et al"},"object":{"type":"mine","id":"2003228","name":"Belle Valley Supply L.L.C."},"validFrom":"2004-01-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2003228|0043343|2004-01-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0043343","name":"Salvatore  Pansera  et al"},"object":{"type":"operator","id":"0052503","name":"Belle Valley Supply L.L.C."},"validFrom":"2004-01-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"2003228","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2003228|0052503|2004-01-04|0043343|2004-01-04|4585"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0043343","name":"Brian L  Pitt  et al"},"object":{"type":"operator","id":"0052503","name":"Belle Valley Supply L.L.C."},"validFrom":"2004-01-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"2003228","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2003228|0052503|2004-01-04|0043343|2004-01-04|4586"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0043343","name":"Wayne Harold  Toby  et al"},"object":{"type":"operator","id":"0052503","name":"Belle Valley Supply L.L.C."},"validFrom":"2004-01-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"2003228","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2003228|0052503|2004-01-04|0043343|2004-01-04|4587"}}],"coverage":{"historyRecords":4,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2003228","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"}}