{"id":"S2004007501","label":"Directional solidification","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004007501","normalized_label":"directional solidification","broader":["http://id.loc.gov/authorities/subjects/sh85124645"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004007501","provider":"lcsh","revision":"68749a4bf9f7e374","taxonomy_revision":"f050b5d4780b1289","title":"Directional solidification","url":"/topics/S2004007501","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4938276441432416774","address_version":"morton4x16-v1","coordinates":[0,477,51945,13312],"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}