{"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":"0505180","name":"Fedinec Pit"},"operator":{"type":"operator","id":"0149393","name":"Western Exploration & Road Construction"},"controller":{"type":"controller","id":"0131281","name":"James  Pate"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0131281","name":"James  Pate"},"object":{"type":"mine","id":"0505180","name":"Fedinec Pit"},"validFrom":"2017-01-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0505180|0131281|2017-01-30|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0149393","name":"Western Exploration & Road Construction"},"object":{"type":"mine","id":"0505180","name":"Fedinec Pit"},"validFrom":"2023-08-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0505180|0149393|2023-08-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0131281","name":"James  Pate"},"object":{"type":"operator","id":"0149393","name":"Western Exploration & Road Construction"},"validFrom":"2023-08-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"0505180","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0505180|0149393|2023-08-23|0131281|2017-01-30|26355"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0505180","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"}}