{"id":"S85148721","label":"X-15 (Rocket aircraft)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85148721","normalized_label":"x-15 (rocket aircraft)","broader":["http://id.loc.gov/authorities/subjects/sh85008947","http://id.loc.gov/authorities/subjects/sh85080584","http://id.loc.gov/authorities/subjects/sh85092463","http://id.loc.gov/authorities/subjects/sh85114714","http://id.loc.gov/authorities/subjects/sh85147011"],"aliases":["North American X-15 (Rocket aircraft)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85148721","provider":"lcsh","revision":"bc9eb4e07d632075","taxonomy_revision":"f050b5d4780b1289","title":"X-15 (Rocket aircraft)","url":"/topics/S85148721","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088146745373884928","address_version":"morton4x16-v1","coordinates":[0,20,19728,50176],"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}