{"urn":"urn:matchory:site:01m772npabfew99377nv4m0m73","attribute":"urn:matchory:attribute:profile:site_function","history":[{"value":"production","source":"company_website","producer_kind":"ai","origin_urn":"urn:matchory:domain:01m772nn74e03vc51rxxvqfrse","confidence":null,"valid_from":null,"valid_to":null,"observed_at":"2026-11-12T05:11:11.463574+00:00","last_observed_at":"2026-11-12T05:11:11.463574+00:00","retracted_at":null,"evidence":[{"url":"https://www.siemens-energy.com/global/en/home/products-services/product-offerings/transformers.html","quote":"transformer factory","locator":"products","retrieved_at":"2026-11-10T17:26:20.185207+00:00"}]}]}