{"id":"S85072128","label":"Keys and keyways (Machinery)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85072128","normalized_label":"keys and keyways (machinery)","broader":["http://id.loc.gov/authorities/subjects/sh85047400","http://id.loc.gov/authorities/subjects/sh85120787"],"aliases":["Keys (Machinery)","Keys and keyways (Steelwork)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85072128","provider":"lcsh","revision":"32cf784eabc8c028","taxonomy_revision":"f050b5d4780b1289","title":"Keys and keyways (Machinery)","url":"/topics/S85072128","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288300744967325184","address_version":"morton4x16-v1","coordinates":[0,20,18532,0],"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}