{"id":"S85109458","label":"Quantum chromodynamics","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85109458","normalized_label":"quantum chromodynamics","broader":["http://id.loc.gov/authorities/subjects/sh85098374","http://id.loc.gov/authorities/subjects/sh85109459"],"aliases":["Chromodynamics, Quantum","QCD (Nuclear physics)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85109458","provider":"lcsh","revision":"3389d4069db4ffe7","taxonomy_revision":"f050b5d4780b1289","title":"Quantum chromodynamics","url":"/topics/S85109458","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864902510643659332","address_version":"morton4x16-v1","coordinates":[0,20,19115,18432],"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}