{"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":"2026-10-17T05:35:58.500035+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":"1517921","name":"Jacks Branch Rockholds Mtn #2"},"operator":{"type":"operator","id":"P23680","name":"Sunrise Construction & Excavation Inc"},"controller":{"type":"controller","id":"C11717","name":"Edward  Tincher"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11717","name":"Edward  Tincher"},"object":{"type":"mine","id":"1517921","name":"Jacks Branch Rockholds Mtn #2"},"validFrom":"1997-01-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517921|C11717|1997-01-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23680","name":"Sunrise Construction & Excavation Inc"},"object":{"type":"mine","id":"1517921","name":"Jacks Branch Rockholds Mtn #2"},"validFrom":"1997-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517921|P23680|1997-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11717","name":"Edward  Tincher"},"object":{"type":"operator","id":"P23680","name":"Sunrise Construction & Excavation Inc"},"validFrom":"1997-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517921","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517921|P23680|1997-04-01|C11717|1997-01-10|85306"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1517921","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}