{"type":"changed_records","generated_date":"2026-05-01T05:20:51.879Z","files":{"bib_records":[],"updated_records":[{"dump_file":"https://bibdata.princeton.edu/dump_files/71607","md5":"2053feb910c9030a8142719bae302b62"}],"recap_records":[],"recap_records_full":[],"log_file":[],"new_records":[],"merged_ids":[],"bib_ids":[],"recap_records_full_metadata":[]},"ids":{"delete_ids":null,"update_ids":null}}