{"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":"4607726","name":"Step No 1"},"operator":{"type":"operator","id":"P20965","name":"S T E P Processing Inc"},"controller":{"type":"controller","id":"C14162","name":"Petitte Emelio"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05573","name":"Jasper  Petitte et al"},"object":{"type":"mine","id":"4607726","name":"Step No 1"},"validFrom":"1986-03-27","validTo":"1990-04-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607726|C05573|1986-03-27|1990-04-04"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17827","name":"Yukon Resources Inc"},"object":{"type":"mine","id":"4607726","name":"Step No 1"},"validFrom":"1989-07-01","validTo":"1990-04-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607726|P17827|1989-07-01|1990-04-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05573","name":"Jasper  Petitte et al"},"object":{"type":"operator","id":"P17827","name":"Yukon Resources Inc"},"validFrom":"1989-07-01","validTo":"1990-04-04","current":false,"derived":true,"evidenceMineId":"4607726","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607726|P17827|1989-07-01|C05573|1986-03-27|69242"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20965","name":"S T E P Processing Inc"},"object":{"type":"mine","id":"4607726","name":"Step No 1"},"validFrom":"1990-04-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607726|P20965|1990-04-05|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14162","name":"Petitte Emelio"},"object":{"type":"mine","id":"4607726","name":"Step No 1"},"validFrom":"1990-04-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607726|C14162|1990-04-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14162","name":"Petitte Emelio"},"object":{"type":"operator","id":"P20965","name":"S T E P Processing Inc"},"validFrom":"1990-04-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"4607726","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607726|P20965|1990-04-05|C14162|1990-04-05|92130"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4607726","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"}}