{"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":"4609183","name":"Mine No. 1"},"operator":{"type":"operator","id":"P23411","name":"WA Mining, Inc."},"controller":{"type":"controller","id":"C15391","name":"William F  Adams"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15391","name":"William F  Adams"},"object":{"type":"mine","id":"4609183","name":"Mine No. 1"},"validFrom":"1996-03-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609183|C15391|1996-03-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0075203","name":"Warcreek, Inc."},"object":{"type":"mine","id":"4609183","name":"Mine No. 1"},"validFrom":"2006-09-11","validTo":"2009-09-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609183|0075203|2006-09-11|2009-09-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0063129","name":"John B  Ward et al"},"object":{"type":"mine","id":"4609183","name":"Mine No. 1"},"validFrom":"2006-09-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609183|0063129|2006-09-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0063129","name":"John B  Ward et al"},"object":{"type":"operator","id":"0075203","name":"Warcreek, Inc."},"validFrom":"2006-09-11","validTo":"2009-09-13","current":false,"derived":true,"evidenceMineId":"4609183","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609183|0075203|2006-09-11|0063129|2006-09-11|8624"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0063129","name":"William R  Ward et al"},"object":{"type":"operator","id":"0075203","name":"Warcreek, Inc."},"validFrom":"2006-09-11","validTo":"2009-09-13","current":false,"derived":true,"evidenceMineId":"4609183","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609183|0075203|2006-09-11|0063129|2006-09-11|8625"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23411","name":"WA Mining, Inc."},"object":{"type":"mine","id":"4609183","name":"Mine No. 1"},"validFrom":"2009-09-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609183|P23411|2009-09-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15391","name":"William F  Adams"},"object":{"type":"operator","id":"P23411","name":"WA Mining, Inc."},"validFrom":"2009-09-14","validTo":null,"current":true,"derived":true,"evidenceMineId":"4609183","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609183|P23411|2009-09-14|C15391|1996-03-18|95457"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4609183","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"}}