Uploaded December 2019 | Updated September 2026, 2 weeks ago

---

This video contains its own YouTube video ID, but I did not predict it. I used the YouTube upload API and an MPEG file switcheroo to add the ID while the upload was still running.

LEARN ON HEXTREE (ad)
Learn hacking on Hextree: hextree.io
Watch this video and more on Hextree: app.hextree.io/courses/yt-cryptography/randomness
Join the Hextree Discord: discord.gg/xgQpCQCpvy

After I uploaded the video I found out it has been done before:
youtube.com/watch?v=sLsVCNlWJTQ
youtube.com/watch?v=YHuStFJR1_A

YouTube API: developers.google.com/youtube/v3/docs/videos/insert

CHAPTERS
00:00 - How can a video contain its own YouTube ID?
00:28 - Randomness and predictable IDs
00:57 - The upload switcheroo
01:31 - Recording the ID and replacing the video file

SUPPORT
Per video: patreon.com/join/liveoverflow
Per month: youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join
Buy my handwriting font (ad): shop.liveoverflow.com

WATCH, FOLLOW & READ
Second channel: youtube.com/LiveUnderflow
Twitch: twitch.tv/LiveOverflow
Twitter: twitter.com/LiveOverflow
Instagram: instagram.com/LiveOverflow
TikTok: tiktok.com/@liveoverflow_
LiveOverflow blog: liveoverflow.com
Hextree blog (ad): hextree.io/blog

#YouTube #VideoID #LiveOverflow

(ad) LiveOverflow YouTube channel is supported by advertisement and product placement.