{"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":"0503849","name":"Golden Bells"},"operator":{"type":"operator","id":"L12498","name":"Rio Corp"},"controller":{"type":"controller","id":"M09586","name":"Durango Metals Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06565","name":"Fatima Minerals Inc"},"object":{"type":"mine","id":"0503849","name":"Golden Bells"},"validFrom":"1983-04-01","validTo":"1992-01-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503849|L06565|1983-04-01|1992-01-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05225","name":"Gondrezick George"},"object":{"type":"mine","id":"0503849","name":"Golden Bells"},"validFrom":"1983-04-01","validTo":"1992-01-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503849|M05225|1983-04-01|1992-01-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05225","name":"Gondrezick George"},"object":{"type":"operator","id":"L06565","name":"Fatima Minerals Inc"},"validFrom":"1983-04-01","validTo":"1992-01-26","current":false,"derived":true,"evidenceMineId":"0503849","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503849|L06565|1983-04-01|M05225|1983-04-01|133981"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12498","name":"Rio Corp"},"object":{"type":"mine","id":"0503849","name":"Golden Bells"},"validFrom":"1992-01-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503849|L12498|1992-01-27|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09586","name":"Durango Metals Inc"},"object":{"type":"mine","id":"0503849","name":"Golden Bells"},"validFrom":"1992-01-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503849|M09586|1992-01-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09586","name":"Durango Metals Inc"},"object":{"type":"operator","id":"L12498","name":"Rio Corp"},"validFrom":"1992-01-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"0503849","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503849|L12498|1992-01-27|M09586|1992-01-27|146764"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0503849","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"}}