{"id":"S85032385","label":"Copper oxide rectifiers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85032385","normalized_label":"copper oxide rectifiers","broader":["http://id.loc.gov/authorities/subjects/sh85032384","http://id.loc.gov/authorities/subjects/sh85041638"],"aliases":["Rectifiers, Copper oxide"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85032385","provider":"lcsh","revision":"4fbf42464baddd70","taxonomy_revision":"f050b5d4780b1289","title":"Copper oxide rectifiers","url":"/topics/S85032385","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288243588616554052","address_version":"morton4x16-v1","coordinates":[0,20,17911,1024],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}