{"id":"S2009002990","label":"CAPTCHA (Challenge-response test)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009002990","normalized_label":"captcha (challenge-response test)","broader":["http://id.loc.gov/authorities/subjects/sh90001862"],"aliases":["Completely Automated Public Turing Test to Tell Computers and Humans Apart"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009002990","provider":"lcsh","revision":"a3c0ed1c56cc5379","taxonomy_revision":"f050b5d4780b1289","title":"CAPTCHA (Challenge-response test)","url":"/topics/S2009002990","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14180920735274526308","address_version":"morton4x16-v1","coordinates":[0,478,64463,47104],"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}