{"id":"S85003981","label":"Aluminum alloys--Heat treatment","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85003981","normalized_label":"aluminum alloys--heat treatment","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85003981","provider":"lcsh","revision":"9eb3b02bf02c51c7","taxonomy_revision":"f050b5d4780b1289","title":"Aluminum alloys--Heat treatment","url":"/topics/S85003981","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326524167128498756","address_version":"morton4x16-v1","coordinates":[0,20,17467,13312],"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}