{"id":"S86007346","label":"Magnetic shielding","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86007346","normalized_label":"magnetic shielding","broader":["http://id.loc.gov/authorities/subjects/sh85121399"],"aliases":["Magnetostatic shielding"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86007346","provider":"lcsh","revision":"9591423c74ab5674","taxonomy_revision":"f050b5d4780b1289","title":"Magnetic shielding","url":"/topics/S86007346","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14411659562325524992","address_version":"morton4x16-v1","coordinates":[0,20,33144,51200],"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}