{"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":"4406873","name":"Land Legacy Pit"},"operator":{"type":"operator","id":"0209094","name":"Land Legacy , LLC"},"controller":{"type":"controller","id":"0200120","name":"Maria  Pessoa"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15047","name":"Rappawan Inc"},"object":{"type":"mine","id":"4406873","name":"Land Legacy Pit"},"validFrom":"1997-04-01","validTo":"2026-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406873|L15047|1997-04-01|2026-03-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11455","name":"Stuart R  Vaught"},"object":{"type":"mine","id":"4406873","name":"Land Legacy Pit"},"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":"4406873|M11455|1997-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11455","name":"Stuart R  Vaught"},"object":{"type":"operator","id":"L15047","name":"Rappawan Inc"},"validFrom":"1997-04-01","validTo":"2026-03-31","current":false,"derived":true,"evidenceMineId":"4406873","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406873|L15047|1997-04-01|M11455|1997-04-01|151459"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0209094","name":"Land Legacy , LLC"},"object":{"type":"mine","id":"4406873","name":"Land Legacy Pit"},"validFrom":"2026-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406873|0209094|2026-04-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0200120","name":"Maria  Pessoa"},"object":{"type":"mine","id":"4406873","name":"Land Legacy Pit"},"validFrom":"2026-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406873|0200120|2026-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0200120","name":"Maria  Pessoa"},"object":{"type":"operator","id":"0209094","name":"Land Legacy , LLC"},"validFrom":"2026-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4406873","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406873|0209094|2026-04-01|0200120|2026-04-01|42572"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4406873","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"}}