{"id":"S85136947","label":"Transition metal carbides","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85136947","normalized_label":"transition metal carbides","broader":["http://id.loc.gov/authorities/subjects/sh85020077","http://id.loc.gov/authorities/subjects/sh85136949"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85136947","provider":"lcsh","revision":"a178f116e6212148","taxonomy_revision":"f050b5d4780b1289","title":"Transition metal carbides","url":"/topics/S85136947","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088287465749496320","address_version":"morton4x16-v1","coordinates":[0,20,19544,52224],"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}