{"id":"S86000453","label":"Precious metal alloys","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86000453","normalized_label":"precious metal alloys","broader":["http://id.loc.gov/authorities/subjects/sh85003721"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86000453","provider":"lcsh","revision":"468ed6cd37150d1e","taxonomy_revision":"f050b5d4780b1289","title":"Precious metal alloys","url":"/topics/S86000453","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4613946631514113540","address_version":"morton4x16-v1","coordinates":[0,20,33037,5120],"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}