{"id":"S85059807","label":"Heat resistant alloys","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85059807","normalized_label":"heat resistant alloys","broader":["http://id.loc.gov/authorities/subjects/sh85003721","http://id.loc.gov/authorities/subjects/sh85059810"],"aliases":["High temperature metals","Refractory metals","Superalloys"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85059807","provider":"lcsh","revision":"bdacc52a1d7f19d5","taxonomy_revision":"f050b5d4780b1289","title":"Heat resistant alloys","url":"/topics/S85059807","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903125950051516996","address_version":"morton4x16-v1","coordinates":[0,20,18339,31744],"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}