{"id":"S85136045","label":"Tool-steel","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85136045","normalized_label":"tool-steel","broader":["http://id.loc.gov/authorities/subjects/sh85079344","http://id.loc.gov/authorities/subjects/sh85127749","http://id.loc.gov/authorities/subjects/sh85136049"],"aliases":["High speed steel"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85136045","provider":"lcsh","revision":"27675857fa5cba13","taxonomy_revision":"f050b5d4780b1289","title":"Tool-steel","url":"/topics/S85136045","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9549966572790104640","address_version":"morton4x16-v1","coordinates":[0,20,19530,46080],"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}