{"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":"0201987","name":"Lead Bullet"},"operator":{"type":"operator","id":"L05782","name":"Geneva Mines Ltd"},"controller":{"type":"controller","id":"M04675","name":"Buckway R Dix"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L05781","name":"Cerbat Mining Corp"},"object":{"type":"mine","id":"0201987","name":"Lead Bullet"},"validFrom":"1980-05-01","validTo":"1982-03-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201987|L05781|1980-05-01|1982-03-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04674","name":"Law Donald L"},"object":{"type":"mine","id":"0201987","name":"Lead Bullet"},"validFrom":"1980-05-01","validTo":"1982-03-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201987|M04674|1980-05-01|1982-03-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04674","name":"Law Donald L"},"object":{"type":"operator","id":"L05781","name":"Cerbat Mining Corp"},"validFrom":"1980-05-01","validTo":"1982-03-03","current":false,"derived":true,"evidenceMineId":"0201987","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201987|L05781|1980-05-01|M04674|1980-05-01|132509"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L05782","name":"Geneva Mines Ltd"},"object":{"type":"mine","id":"0201987","name":"Lead Bullet"},"validFrom":"1982-03-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201987|L05782|1982-03-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M04675","name":"Buckway R Dix"},"object":{"type":"mine","id":"0201987","name":"Lead Bullet"},"validFrom":"1982-03-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201987|M04675|1982-03-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M04675","name":"Buckway R Dix"},"object":{"type":"operator","id":"L05782","name":"Geneva Mines Ltd"},"validFrom":"1982-03-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"0201987","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0201987|L05782|1982-03-04|M04675|1982-03-04|132510"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0201987","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"}}