{"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":"3304232","name":"Rayle River Terminal"},"operator":{"type":"operator","id":"P06192","name":"Rayle Coal Company"},"controller":{"type":"controller","id":"C03631","name":"John  Nicolozakes"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03631","name":"John  Nicolozakes et al"},"object":{"type":"mine","id":"3304232","name":"Rayle River Terminal"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3304232|C03631|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03631","name":"John  Nicolozakes et al"},"object":{"type":"mine","id":"3304232","name":"Rayle River Terminal"},"validFrom":"1977-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3304232|C03631|1977-05-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06192","name":"Rayle Coal Company"},"object":{"type":"mine","id":"3304232","name":"Rayle River Terminal"},"validFrom":"1991-03-01","validTo":"2002-12-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3304232|P06192|1991-03-01|2002-12-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03631","name":"John  Nicolozakes et al"},"object":{"type":"operator","id":"P06192","name":"Rayle Coal Company"},"validFrom":"1991-03-01","validTo":"2002-12-02","current":false,"derived":true,"evidenceMineId":"3304232","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3304232|P06192|1991-03-01|C03631|1977-05-01|63441"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P04410","name":"Marietta Coal Company"},"object":{"type":"mine","id":"3304232","name":"Rayle River Terminal"},"validFrom":"2002-12-03","validTo":"2004-04-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3304232|P04410|2002-12-03|2004-04-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03631","name":"John  Nicolozakes et al"},"object":{"type":"operator","id":"P04410","name":"Marietta Coal Company"},"validFrom":"2002-12-03","validTo":"2004-04-25","current":false,"derived":true,"evidenceMineId":"3304232","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3304232|P04410|2002-12-03|C03631|1950-01-01|63435"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06192","name":"Rayle Coal Company"},"object":{"type":"mine","id":"3304232","name":"Rayle River Terminal"},"validFrom":"2004-04-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3304232|P06192|2004-04-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03631","name":"John  Nicolozakes et al"},"object":{"type":"operator","id":"P06192","name":"Rayle Coal Company"},"validFrom":"2004-04-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304232","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3304232|P06192|2004-04-26|C03631|1977-05-01|63442"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3304232","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"}}