{"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":"0404291","name":"Hutton Drift"},"operator":{"type":"operator","id":"L04682","name":"H D Rue-Lessee"},"controller":{"type":"controller","id":"M03778","name":"Rue H D"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04681","name":"K Dennison-Lessee"},"object":{"type":"mine","id":"0404291","name":"Hutton Drift"},"validFrom":"1979-01-01","validTo":"1979-09-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404291|L04681|1979-01-01|1979-09-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03777","name":"K Dennison"},"object":{"type":"mine","id":"0404291","name":"Hutton Drift"},"validFrom":"1979-01-01","validTo":"1979-09-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404291|M03777|1979-01-01|1979-09-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03777","name":"K Dennison"},"object":{"type":"operator","id":"L04681","name":"K Dennison-Lessee"},"validFrom":"1979-01-01","validTo":"1979-09-19","current":false,"derived":true,"evidenceMineId":"0404291","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404291|L04681|1979-01-01|M03777|1979-01-01|130051"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L04682","name":"H D Rue-Lessee"},"object":{"type":"mine","id":"0404291","name":"Hutton Drift"},"validFrom":"1979-09-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404291|L04682|1979-09-20|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03778","name":"Rue H D"},"object":{"type":"mine","id":"0404291","name":"Hutton Drift"},"validFrom":"1979-09-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404291|M03778|1979-09-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03778","name":"Rue H D"},"object":{"type":"operator","id":"L04682","name":"H D Rue-Lessee"},"validFrom":"1979-09-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"0404291","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0404291|L04682|1979-09-20|M03778|1979-09-20|130052"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0404291","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"}}