{"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":"4403175","name":"No 1 Mine"},"operator":{"type":"operator","id":"P11225","name":"Heritage Mining Company"},"controller":{"type":"controller","id":"C08447","name":"Yates Palmer"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00664","name":"Fossil Fuel Inc"},"object":{"type":"mine","id":"4403175","name":"No 1 Mine"},"validFrom":"1950-01-01","validTo":"1980-12-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4403175|P00664|1950-01-01|1980-12-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00577","name":"Bailey Toby & Teddy Et Al"},"object":{"type":"mine","id":"4403175","name":"No 1 Mine"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4403175|C00577|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00577","name":"Bailey Toby & Teddy Et Al"},"object":{"type":"operator","id":"P00664","name":"Fossil Fuel Inc"},"validFrom":"1950-01-01","validTo":"1980-12-02","current":false,"derived":true,"evidenceMineId":"4403175","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4403175|P00664|1950-01-01|C00577|1950-01-01|48181"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11225","name":"Heritage Mining Company"},"object":{"type":"mine","id":"4403175","name":"No 1 Mine"},"validFrom":"1980-12-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4403175|P11225|1980-12-03|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08447","name":"Yates Palmer Et Al"},"object":{"type":"mine","id":"4403175","name":"No 1 Mine"},"validFrom":"1980-12-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4403175|C08447|1980-12-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08447","name":"Yates Palmer Et Al"},"object":{"type":"operator","id":"P11225","name":"Heritage Mining Company"},"validFrom":"1980-12-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"4403175","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4403175|P11225|1980-12-03|C08447|1980-12-03|77322"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4403175","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"}}