Users often search for specific filenames like this when trying to find the source of a viral or "lost" video. Because 4chan threads are (they expire and are deleted within minutes or hours), these files often only survive in third-party archives or through manual re-sharing on platforms like Reddit. File Technical Standards
: .webm is an open-source, royalty-free video format developed by Google for high-quality, efficient web streaming. It is the standard video format for 4chan because it allows short, looping clips (similar to GIFs) but with significantly better compression and quality. Why You Might See This Filename 1640424613809.webm
: This naming format is the default for files uploaded to 4chan, where the server renames uploads to the exact millisecond they were processed. Users often search for specific filenames like this
If you are looking for the of the video, it is most likely a clip shared on Christmas Day 2021. You may find more information by searching for this specific string on 4chan archive sites like 4plebs or archived.moe . It is the standard video format for 4chan