{"id":"S2006006222","label":"Dehn surgery (Topology)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006006222","normalized_label":"dehn surgery (topology)","broader":["http://id.loc.gov/authorities/subjects/sh85130792"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006006222","provider":"lcsh","revision":"be3b8abc0335fb67","taxonomy_revision":"f050b5d4780b1289","title":"Dehn surgery (Topology)","url":"/topics/S2006006222","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326656118824773220","address_version":"morton4x16-v1","coordinates":[0,478,17639,14336],"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}