{"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":"1517984","name":"No 1"},"operator":{"type":"operator","id":"P24413","name":"Star Coal Trucking Inc"},"controller":{"type":"controller","id":"C15737","name":"John P  Biliter"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05822","name":"M Lynn  Parrish"},"object":{"type":"mine","id":"1517984","name":"No 1"},"validFrom":"1994-03-01","validTo":"1998-10-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517984|C05822|1994-03-01|1998-10-18"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22684","name":"Motts Branch Coal Inc"},"object":{"type":"mine","id":"1517984","name":"No 1"},"validFrom":"1997-09-01","validTo":"1998-10-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517984|P22684|1997-09-01|1998-10-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05822","name":"M Lynn  Parrish"},"object":{"type":"operator","id":"P22684","name":"Motts Branch Coal Inc"},"validFrom":"1997-09-01","validTo":"1998-10-18","current":false,"derived":true,"evidenceMineId":"1517984","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517984|P22684|1997-09-01|C05822|1994-03-01|70002"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24043","name":"K & B Coal Inc"},"object":{"type":"mine","id":"1517984","name":"No 1"},"validFrom":"1998-10-19","validTo":"2000-06-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517984|P24043|1998-10-19|2000-06-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15768","name":"Kermit  Hall"},"object":{"type":"mine","id":"1517984","name":"No 1"},"validFrom":"1998-10-19","validTo":"2001-06-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517984|C15768|1998-10-19|2001-06-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15768","name":"Kermit  Hall"},"object":{"type":"operator","id":"P24043","name":"K & B Coal Inc"},"validFrom":"1998-10-19","validTo":"2000-06-18","current":false,"derived":true,"evidenceMineId":"1517984","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517984|P24043|1998-10-19|C15768|1998-10-19|96720"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24413","name":"Star Coal Trucking Inc"},"object":{"type":"mine","id":"1517984","name":"No 1"},"validFrom":"2000-06-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517984|P24413|2000-06-19|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15737","name":"John P  Biliter"},"object":{"type":"mine","id":"1517984","name":"No 1"},"validFrom":"2000-06-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517984|C15737|2000-06-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15737","name":"John P  Biliter"},"object":{"type":"operator","id":"P24413","name":"Star Coal Trucking Inc"},"validFrom":"2000-06-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517984","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1517984|P24413|2000-06-19|C15737|2000-06-19|96651"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1517984","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"}}