{"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":"4601286","name":"Windsor Mine"},"operator":{"type":"operator","id":"P24677","name":"Windsor Coal Company"},"controller":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00407","name":"Windsor Coal Company"},"object":{"type":"mine","id":"4601286","name":"Windsor Mine"},"validFrom":"1950-01-01","validTo":"2001-07-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601286|P00407|1950-01-01|2001-07-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00329","name":"American Electric Power Company Inc"},"object":{"type":"mine","id":"4601286","name":"Windsor Mine"},"validFrom":"1950-01-01","validTo":"2001-07-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601286|C00329|1950-01-01|2001-07-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00329","name":"American Electric Power Company Inc"},"object":{"type":"operator","id":"P00407","name":"Windsor Coal Company"},"validFrom":"1950-01-01","validTo":"2001-07-01","current":false,"derived":true,"evidenceMineId":"4601286","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601286|P00407|1950-01-01|C00329|1950-01-01|46076"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24677","name":"Windsor Coal Company"},"object":{"type":"mine","id":"4601286","name":"Windsor Mine"},"validFrom":"2001-07-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601286|P24677|2001-07-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"mine","id":"4601286","name":"Windsor Mine"},"validFrom":"2001-07-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601286|C00692|2001-07-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"operator","id":"P24677","name":"Windsor Coal Company"},"validFrom":"2001-07-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"4601286","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4601286|P24677|2001-07-02|C00692|2001-07-02|49356"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4601286","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"}}