{"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":"1000089","name":"Sunshine Mine"},"operator":{"type":"operator","id":"0119889","name":"Silver Opportunity Partners LLC"},"controller":{"type":"controller","id":"0160961","name":"The Electrum Group LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12117","name":"Sunshine Precious Metals Inc"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"validFrom":"1950-01-01","validTo":"2003-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|L12117|1950-01-01|2003-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00045","name":"Sunshine Mining & Refining Company"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"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":"1000089|M00045|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00045","name":"Sunshine Mining & Refining Company"},"object":{"type":"operator","id":"L12117","name":"Sunshine Precious Metals Inc"},"validFrom":"1950-01-01","validTo":"2003-09-30","current":false,"derived":true,"evidenceMineId":"1000089","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|L12117|1950-01-01|M00045|1950-01-01|102510"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051748","name":"Sterling Mining Company"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"validFrom":"2003-10-01","validTo":"2010-05-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0051748|2003-10-01|2010-05-26"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042391","name":"Kenneth  Rux et al"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"validFrom":"2003-10-01","validTo":"2009-08-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0042391|2003-10-01|2009-08-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042391","name":"Kenneth  Rux et al"},"object":{"type":"operator","id":"0051748","name":"Sterling Mining Company"},"validFrom":"2003-10-01","validTo":"2009-08-18","current":false,"derived":true,"evidenceMineId":"1000089","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0051748|2003-10-01|0042391|2003-10-01|3931"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042391","name":"J K  Berscht et al"},"object":{"type":"operator","id":"0051748","name":"Sterling Mining Company"},"validFrom":"2003-10-01","validTo":"2009-08-18","current":false,"derived":true,"evidenceMineId":"1000089","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0051748|2003-10-01|0042391|2003-10-01|3932"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0087413","name":"Roger Van  Voorhees et al"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"validFrom":"2009-08-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0087413|2009-08-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0087413","name":"Roger Van  Voorhees et al"},"object":{"type":"operator","id":"0051748","name":"Sterling Mining Company"},"validFrom":"2009-08-19","validTo":"2010-05-26","current":false,"derived":true,"evidenceMineId":"1000089","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0051748|2003-10-01|0087413|2009-08-19|14068"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0110685","name":"Silver Opportunity Partners"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"validFrom":"2010-05-27","validTo":"2011-09-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0110685|2010-05-27|2011-09-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0093593","name":"Precious Metals Opportunities LLC et al"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"validFrom":"2010-05-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0093593|2010-05-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0093593","name":"Precious Metals Opportunities LLC et al"},"object":{"type":"operator","id":"0110685","name":"Silver Opportunity Partners"},"validFrom":"2010-05-27","validTo":"2011-09-27","current":false,"derived":true,"evidenceMineId":"1000089","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0110685|2010-05-27|0093593|2010-05-27|15337"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0119889","name":"Silver Opportunity Partners LLC"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"validFrom":"2011-09-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0119889|2011-09-28|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0101887","name":"Sunshine Silver Mines Corp"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"validFrom":"2011-09-28","validTo":"2020-10-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0101887|2011-09-28|2020-10-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0101887","name":"Sunshine Silver Mines Corp"},"object":{"type":"operator","id":"0119889","name":"Silver Opportunity Partners LLC"},"validFrom":"2011-09-28","validTo":"2020-10-29","current":false,"derived":true,"evidenceMineId":"1000089","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0119889|2011-09-28|0101887|2011-09-28|17403"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0160961","name":"The Electrum Group LLC"},"object":{"type":"mine","id":"1000089","name":"Sunshine Mine"},"validFrom":"2020-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0160961|2020-10-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0160961","name":"The Electrum Group LLC"},"object":{"type":"operator","id":"0119889","name":"Silver Opportunity Partners LLC"},"validFrom":"2020-10-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"1000089","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1000089|0119889|2011-09-28|0160961|2020-10-30|33608"}}],"coverage":{"historyRecords":7,"edgeCount":17,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1000089","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"}}