{"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":"0504452","name":"Sanborn Creek Mine"},"operator":{"type":"operator","id":"P23241","name":"Oxbow Mining, LLC"},"controller":{"type":"controller","id":"C10334","name":"Oxbow Carbon LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10334","name":"Oxbow Carbon LLC"},"object":{"type":"mine","id":"0504452","name":"Sanborn Creek Mine"},"validFrom":"1989-07-14","validTo":"1995-09-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0504452|C10334|1989-07-14|1995-09-14"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20697","name":"Somerset Mining Company"},"object":{"type":"mine","id":"0504452","name":"Sanborn Creek Mine"},"validFrom":"1991-01-01","validTo":"1995-09-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0504452|P20697|1991-01-01|1995-09-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10334","name":"Oxbow Carbon LLC"},"object":{"type":"operator","id":"P20697","name":"Somerset Mining Company"},"validFrom":"1991-01-01","validTo":"1995-09-14","current":false,"derived":true,"evidenceMineId":"0504452","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0504452|P20697|1991-01-01|C10334|1989-07-14|81802"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23241","name":"Oxbow Mining, LLC"},"object":{"type":"mine","id":"0504452","name":"Sanborn Creek Mine"},"validFrom":"1995-09-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0504452|P23241|1995-09-15|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10334","name":"Oxbow Carbon LLC"},"object":{"type":"mine","id":"0504452","name":"Sanborn Creek Mine"},"validFrom":"1995-09-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0504452|C10334|1995-09-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10334","name":"Oxbow Carbon LLC"},"object":{"type":"operator","id":"P23241","name":"Oxbow Mining, LLC"},"validFrom":"1995-09-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"0504452","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0504452|P23241|1995-09-15|C10334|1995-09-15|81805"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0504452","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"}}