{"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":"1517738","name":"No. 1"},"operator":{"type":"operator","id":"0061003","name":"Coal Express, Inc."},"controller":{"type":"controller","id":"0050909","name":"Eddie  Rowe"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02535","name":"Harold E  Akers et al"},"object":{"type":"mine","id":"1517738","name":"No. 1"},"validFrom":"1993-12-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|C02535|1993-12-20|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22951","name":"South Akers Mining Llc"},"object":{"type":"mine","id":"1517738","name":"No. 1"},"validFrom":"1995-12-01","validTo":"2002-05-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|P22951|1995-12-01|2002-05-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02535","name":"Harold E  Akers et al"},"object":{"type":"operator","id":"P22951","name":"South Akers Mining Llc"},"validFrom":"1995-12-01","validTo":"2002-05-29","current":false,"derived":true,"evidenceMineId":"1517738","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|P22951|1995-12-01|C02535|1993-12-20|59795"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02535","name":"Jim D  Akers et al"},"object":{"type":"operator","id":"P22951","name":"South Akers Mining Llc"},"validFrom":"1995-12-01","validTo":"2002-05-29","current":false,"derived":true,"evidenceMineId":"1517738","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|P22951|1995-12-01|C02535|1993-12-20|59796"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050569","name":"Lomac Energy Corp."},"object":{"type":"mine","id":"1517738","name":"No. 1"},"validFrom":"2002-05-30","validTo":"2005-06-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|0050569|2002-05-30|2005-06-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12432","name":"James P  Lowe"},"object":{"type":"mine","id":"1517738","name":"No. 1"},"validFrom":"2002-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|C12432|2002-05-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12432","name":"James P  Lowe"},"object":{"type":"operator","id":"0050569","name":"Lomac Energy Corp."},"validFrom":"2002-05-30","validTo":"2005-06-28","current":false,"derived":true,"evidenceMineId":"1517738","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|0050569|2002-05-30|C12432|2002-05-30|86891"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0061003","name":"Coal Express, Inc."},"object":{"type":"mine","id":"1517738","name":"No. 1"},"validFrom":"2005-06-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|0061003|2005-06-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0050909","name":"Eddie  Rowe"},"object":{"type":"mine","id":"1517738","name":"No. 1"},"validFrom":"2005-06-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|0050909|2005-06-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0050909","name":"Eddie  Rowe"},"object":{"type":"operator","id":"0061003","name":"Coal Express, Inc."},"validFrom":"2005-06-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517738","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517738|0061003|2005-06-29|0050909|2005-06-29|6411"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1517738","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"}}