{"id":"S2009001347","label":"Silver films (Metal coating)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009001347","normalized_label":"silver films (metal coating)","broader":["http://id.loc.gov/authorities/subjects/sh85084116"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009001347","provider":"lcsh","revision":"cb9ad5b2f4883d77","taxonomy_revision":"f050b5d4780b1289","title":"Silver films (Metal coating)","url":"/topics/S2009001347","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4919276897617454688","address_version":"morton4x16-v1","coordinates":[0,478,64438,3072],"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}