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Diffusion PDF – A Diffusion Image Model Embedded Entirely in a PDF File

Hey Hacker News! I'm Alex, I'm 19 and I work at Hack Club! The last two weeks i've been messing around with pdfs. I made slop pdf ( https://slop.alexvd.dev -- notice the similar website design), …

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Hey Hacker News! I'm Alex, I'm 19 and I work at Hack Club! The last two weeks i've been messing around with pdfs. I made slop pdf ( https://slop.alexvd.dev -- notice the similar website design), a pdf that generates random ai slop stories when you open it, and I was showing that off to one of my friends who suggested I get the LLM to actually work inside the pdf, without an API call to a relay. I laughed at the idea, but then we did some research together, and we managed to find EvanZhouDev's llm.pdf ( https://github.com/EvanZhouDev/llm.pdf ). Because it existed, I didn't want to waste my time or my tokens building something like it. So I pivoted, eventually deciding to make a diffusion image model work fully inside a pdf. I forked EvanZhouDev's llm.pdf repo, and eventually managed to get it working (with the help of claude). Here's the finished version. It took a while to train, but was worth it so i can show it to my future classmates (I'm an incoming freshman in college this year).

Discovery history

  1. Show HN

    Aug 13, 2026 · 1 observations

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