{"id":"S85021751","label":"Cementation (Metallurgy)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85021751","normalized_label":"cementation (metallurgy)","broader":["http://id.loc.gov/authorities/subjects/sh85084158","http://id.loc.gov/authorities/subjects/sh85127768"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85021751","provider":"lcsh","revision":"1e7590be979bac0d","taxonomy_revision":"f050b5d4780b1289","title":"Cementation (Metallurgy)","url":"/topics/S85021751","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090468913998856704","address_version":"morton4x16-v1","coordinates":[0,20,17744,56320],"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}