{"id":"S85037974","label":"Digital control systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85037974","normalized_label":"digital control systems","broader":["http://id.loc.gov/authorities/subjects/sh85010089","http://id.loc.gov/authorities/subjects/sh85042314"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85037974","provider":"lcsh","revision":"8d940b9f688e8307","taxonomy_revision":"f050b5d4780b1289","title":"Digital control systems","url":"/topics/S85037974","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867088338748851776","address_version":"morton4x16-v1","coordinates":[0,20,17998,22528],"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}