{"id":"S85115649","label":"Rubber chemistry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85115649","normalized_label":"rubber chemistry","broader":["http://id.loc.gov/authorities/subjects/sh85023029"],"aliases":["Rubber--Chemistry"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85115649","provider":"lcsh","revision":"61029af615ff7c7f","taxonomy_revision":"f050b5d4780b1289","title":"Rubber chemistry","url":"/topics/S85115649","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288309833046836736","address_version":"morton4x16-v1","coordinates":[0,20,19212,1024],"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}