{"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":"3304236","name":"Jamie Mine"},"operator":{"type":"operator","id":"P21814","name":"Jamie Mining Company"},"controller":{"type":"controller","id":"C14578","name":"Bontempo Drema"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21447","name":"Jamie Mining Company"},"object":{"type":"mine","id":"3304236","name":"Jamie Mine"},"validFrom":"1991-06-01","validTo":"1992-01-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304236|P21447|1991-06-01|1992-01-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02363","name":"Morta Ralph Della"},"object":{"type":"mine","id":"3304236","name":"Jamie Mine"},"validFrom":"1991-06-01","validTo":"1992-01-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304236|C02363|1991-06-01|1992-01-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02363","name":"Morta Ralph Della"},"object":{"type":"operator","id":"P21447","name":"Jamie Mining Company"},"validFrom":"1991-06-01","validTo":"1992-01-08","current":false,"derived":true,"evidenceMineId":"3304236","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304236|P21447|1991-06-01|C02363|1991-06-01|58224"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21814","name":"Jamie Mining Company"},"object":{"type":"mine","id":"3304236","name":"Jamie Mine"},"validFrom":"1992-01-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304236|P21814|1992-01-09|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14578","name":"Bontempo Drema"},"object":{"type":"mine","id":"3304236","name":"Jamie Mine"},"validFrom":"1992-01-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304236|C14578|1992-01-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14578","name":"Bontempo Drema"},"object":{"type":"operator","id":"P21814","name":"Jamie Mining Company"},"validFrom":"1992-01-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304236","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304236|P21814|1992-01-09|C14578|1992-01-09|93324"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3304236","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"}}