{"id":"S97001457","label":"Optical shaft encoders","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh97001457","normalized_label":"optical shaft encoders","broader":["http://id.loc.gov/authorities/subjects/sh85095200"],"aliases":["Optical shaft-angle encoders"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh97001457","provider":"lcsh","revision":"5d429f82ed4d2486","taxonomy_revision":"f050b5d4780b1289","title":"Optical shaft encoders","url":"/topics/S97001457","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9817855983832417894","address_version":"morton4x16-v1","coordinates":[0,23,8319,50176],"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}