{"id":"S85129549","label":"Substitution (Technology)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85129549","normalized_label":"substitution (technology)","broader":["http://id.loc.gov/authorities/subjects/sh85133147"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85129549","provider":"lcsh","revision":"d7c53913b0344223","taxonomy_revision":"f050b5d4780b1289","title":"Substitution (Technology)","url":"/topics/S85129549","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326590431024514564","address_version":"morton4x16-v1","coordinates":[0,20,19429,13312],"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}