{"id":"S92002349","label":"Plastic optical fibers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh92002349","normalized_label":"plastic optical fibers","broader":["http://id.loc.gov/authorities/subjects/sh85095145","http://id.loc.gov/authorities/subjects/sh85103153"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh92002349","provider":"lcsh","revision":"d1987e474b72b267","taxonomy_revision":"f050b5d4780b1289","title":"Plastic optical fibers","url":"/topics/S92002349","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14179667281788928514","address_version":"morton4x16-v1","coordinates":[0,21,61280,46080],"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}