{"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":"4407036","name":"Mine No. 5"},"operator":{"type":"operator","id":"0050049","name":"Hubble Mining Co., Inc."},"controller":{"type":"controller","id":"C02535","name":"Harold E  Akers; Jim D  Akers"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15614","name":"Jeffrey W  Newberry"},"object":{"type":"mine","id":"4407036","name":"Mine No. 5"},"validFrom":"1997-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407036|C15614|1997-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23773","name":"Nehemiah Coal Company Inc"},"object":{"type":"mine","id":"4407036","name":"Mine No. 5"},"validFrom":"2001-08-01","validTo":"2006-03-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407036|P23773|2001-08-01|2006-03-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15614","name":"Jeffrey W  Newberry"},"object":{"type":"operator","id":"P23773","name":"Nehemiah Coal Company Inc"},"validFrom":"2001-08-01","validTo":"2006-03-19","current":false,"derived":true,"evidenceMineId":"4407036","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407036|P23773|2001-08-01|C15614|1997-04-01|96350"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02535","name":"Jim D  Akers et al"},"object":{"type":"mine","id":"4407036","name":"Mine No. 5"},"validFrom":"2001-12-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407036|C02535|2001-12-19|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050049","name":"Hubble Mining Co LLC"},"object":{"type":"mine","id":"4407036","name":"Mine No. 5"},"validFrom":"2006-03-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407036|0050049|2006-03-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02535","name":"Jim D  Akers et al"},"object":{"type":"operator","id":"0050049","name":"Hubble Mining Co LLC"},"validFrom":"2006-03-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"4407036","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407036|0050049|2006-03-20|C02535|2001-12-19|59855"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02535","name":"Harold E  Akers et al"},"object":{"type":"operator","id":"0050049","name":"Hubble Mining Co LLC"},"validFrom":"2006-03-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"4407036","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407036|0050049|2006-03-20|C02535|2001-12-19|59856"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4407036","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"}}