{"class":"Bitstream","uri":"https://www.ideals.illinois.edu/items/137913/bitstreams/448747.json","object_uri":"https://www.ideals.illinois.edu/items/137913/bitstreams/448747/object","id":448747,"length":680706113,"media_type":"application/pdf","filename":"hanover_bg_map.pdf","original_filename":"hanover_bg_map.pdf","bundle_position":0,"primary":false,"description":null,"created_at":"2025-12-19T23:34:29.844Z","updated_at":"2025-12-19T23:40:06.875Z","bundle":"Content","item":{"id":137913,"uri":"https://www.ideals.illinois.edu/items/137913"}}