{"id":"S85149907","label":"Zirconium carbide","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85149907","normalized_label":"zirconium carbide","broader":["http://id.loc.gov/authorities/subjects/sh85020077","http://id.loc.gov/authorities/subjects/sh85149908"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85149907","provider":"lcsh","revision":"9419b26a543d1eed","taxonomy_revision":"f050b5d4780b1289","title":"Zirconium carbide","url":"/topics/S85149907","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864915446011396676","address_version":"morton4x16-v1","coordinates":[0,20,19747,19456],"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}