{"id":"S85063432","label":"Hydrogen peroxide rockets","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85063432","normalized_label":"hydrogen peroxide rockets","broader":["http://id.loc.gov/authorities/subjects/sh85077389"],"aliases":["Hydrogen peroxide as a propellant"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85063432","provider":"lcsh","revision":"cb4f83ce162279cb","taxonomy_revision":"f050b5d4780b1289","title":"Hydrogen peroxide rockets","url":"/topics/S85063432","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324263864416224768","address_version":"morton4x16-v1","coordinates":[0,20,18396,8192],"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}