{"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":"4407065","name":"Deep Mine #38"},"operator":{"type":"operator","id":"0050885","name":"Paramont Coal Company Virginia, LLC"},"controller":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16100","name":"Suzie  Fought"},"object":{"type":"mine","id":"4407065","name":"Deep Mine #38"},"validFrom":"2001-09-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407065|C16100|2001-09-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24727","name":"Border Mining, Inc."},"object":{"type":"mine","id":"4407065","name":"Deep Mine #38"},"validFrom":"2002-12-10","validTo":"2003-12-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407065|P24727|2002-12-10|2003-12-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16100","name":"Suzie  Fought"},"object":{"type":"operator","id":"P24727","name":"Border Mining, Inc."},"validFrom":"2002-12-10","validTo":"2003-12-28","current":false,"derived":true,"evidenceMineId":"4407065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407065|P24727|2002-12-10|C16100|2001-09-18|98400"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4407065","name":"Deep Mine #38"},"validFrom":"2002-12-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407065|0041211|2002-12-13|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050885","name":"Paramont Coal Company Virginia, LLC"},"object":{"type":"mine","id":"4407065","name":"Deep Mine #38"},"validFrom":"2003-12-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407065|0050885|2003-12-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"0050885","name":"Paramont Coal Company Virginia, LLC"},"validFrom":"2003-12-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"4407065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407065|0050885|2003-12-29|0041211|2002-12-13|1601"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4407065","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"}}