{"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":"2900944","name":"St Cloud Underground"},"operator":{"type":"operator","id":"L06398","name":"St Cloud Mining Company"},"controller":{"type":"controller","id":"0191381","name":"Equalizer Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06398","name":"St Cloud Mining Company"},"object":{"type":"mine","id":"2900944","name":"St Cloud Underground"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900944|L06398|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05093","name":"Goldfield Corp"},"object":{"type":"mine","id":"2900944","name":"St Cloud Underground"},"validFrom":"1950-01-01","validTo":"2002-12-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900944|M05093|1950-01-01|2002-12-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05093","name":"Goldfield Corp"},"object":{"type":"operator","id":"L06398","name":"St Cloud Mining Company"},"validFrom":"1950-01-01","validTo":"2002-12-03","current":false,"derived":true,"evidenceMineId":"2900944","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900944|L06398|1950-01-01|M05093|1950-01-01|133629"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041943","name":"Imagin Minerals Incorporated"},"object":{"type":"mine","id":"2900944","name":"St Cloud Underground"},"validFrom":"2002-12-04","validTo":"2024-12-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900944|0041943|2002-12-04|2024-12-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041943","name":"Imagin Minerals Incorporated"},"object":{"type":"operator","id":"L06398","name":"St Cloud Mining Company"},"validFrom":"2002-12-04","validTo":"2024-12-12","current":false,"derived":true,"evidenceMineId":"2900944","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900944|L06398|1950-01-01|0041943|2002-12-04|3332"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0191381","name":"Equalizer Inc"},"object":{"type":"mine","id":"2900944","name":"St Cloud Underground"},"validFrom":"2024-12-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900944|0191381|2024-12-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0191381","name":"Equalizer Inc"},"object":{"type":"operator","id":"L06398","name":"St Cloud Mining Company"},"validFrom":"2024-12-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"2900944","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2900944|L06398|1950-01-01|0191381|2024-12-13|40721"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2900944","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"}}