{"class":"Bitstream","uri":"https://www.ideals.illinois.edu/items/138501/bitstreams/449403.json","object_uri":"https://www.ideals.illinois.edu/items/138501/bitstreams/449403/object","id":449403,"length":221234,"media_type":"application/pdf","filename":"IV_D_1.PDF","original_filename":"IV_D_1.PDF","bundle_position":0,"primary":true,"description":null,"created_at":"2026-02-12T20:25:16.136Z","updated_at":"2026-02-12T21:00:14.124Z","bundle":"Content","item":{"id":138501,"uri":"https://www.ideals.illinois.edu/items/138501"}}