{"id":"S85032346","label":"Copper-arsenic alloys","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85032346","normalized_label":"copper-arsenic alloys","broader":["http://id.loc.gov/authorities/subjects/sh85007449","http://id.loc.gov/authorities/subjects/sh85032341"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85032346","provider":"lcsh","revision":"0c6e07eb6dabe035","taxonomy_revision":"f050b5d4780b1289","title":"Copper-arsenic alloys","url":"/topics/S85032346","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900865079334274624","address_version":"morton4x16-v1","coordinates":[0,20,17910,26624],"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}