THE VIDEO SHELF · xerox jbig2 scanner bug
David Kriesel: Lies, damned lies and scans
David Kriesel's FrOSCon talk on how Xerox scancopiers, due to JBIG2 compression, silently replaced digits in scanned documents. He walks through how he discovered the bug and why it is so dangerous.
Why HN readers recommended it
The standard reference whenever HN discusses the Xerox scanner bug or AI and compression that fabricates content.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- Free and Open Source Software Conference (FrOSCon) e.V.
- Topic
- xerox jbig2 scanner bug
- Format
- talk
- Level
- intermediate
- HN recommenders in dataset
- 2
- HN mentions in dataset
- 5
- Recommendation years in dataset
- 2020–2026
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
> You may remember that this played a strange role in Obama's birth certificate some years back Just to clarify, the issue with the compression algorithm used by the scanner, not with the PDF format itself. There a few videos of David Kriesel explaining the …
bXVsbGVy on Hacker News · 2020-08
In PDF: Still unfit for human consumption, 20 years laterEven though this happened a long time ago, whenever I hear or think about it, I am a mazed that it didn't put Xerox out of business, or at least hurt a little more. After all, some big players were already doing digital archiving at …
lynx23 on Hacker News · 2023-06
In
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.