{"id":"S2003008559","label":"Optical interferometers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003008559","normalized_label":"optical interferometers","broader":["http://id.loc.gov/authorities/subjects/sh85008996","http://id.loc.gov/authorities/subjects/sh85067257"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003008559","provider":"lcsh","revision":"1c7449a8e950df0e","taxonomy_revision":"f050b5d4780b1289","title":"Optical interferometers","url":"/topics/S2003008559","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13873562979972555266","address_version":"morton4x16-v1","coordinates":[0,477,36336,48128],"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}