{"id":"S85105017","label":"Porosity","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85105017","normalized_label":"porosity","broader":["http://id.loc.gov/authorities/subjects/sh85001022","http://id.loc.gov/authorities/subjects/sh85095934"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85105017","provider":"lcsh","revision":"f6696b1b3883784a","taxonomy_revision":"f050b5d4780b1289","title":"Porosity","url":"/topics/S85105017","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124171402115417604","address_version":"morton4x16-v1","coordinates":[0,20,19045,58368],"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}