{"id":"S85142015","label":"Vanadium catalysts","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85142015","normalized_label":"vanadium catalysts","broader":["http://id.loc.gov/authorities/subjects/sh85020940"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85142015","provider":"lcsh","revision":"178a102e978aeb8f","taxonomy_revision":"f050b5d4780b1289","title":"Vanadium catalysts","url":"/topics/S85142015","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126568063592695364","address_version":"morton4x16-v1","coordinates":[0,20,19623,64512],"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}