9.26.26 | OpenAI agents hacked Hugging Face, Ollaya is Ollama for open-source Jev decision models, U.S. appeals court upholds Anthropic as supply chain risk

This is a recap of the top 10 posts on Hacker News on Sep 26, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro
• (00:16) - Revealing the details of how OpenAI agents hacked Hugging Face
• (01:52) - Ollaya – Ollama for open-source, Jev-style decision models
• (03:14) - U.S. appeals court upholds designation of Anthropic as supply chain risk
• (04:39) - Plan mode is dead
• (06:03) - First Principles Thinking
• (07:15) - Jury finds Facebook liable for deceiving users in Cambridge Analytica case
• (08:42) - What even is an OS now?
• (09:56) - Show HN: Jev Plays Pokémon Red
• (11:00) - Gravity seems holographic. What does that mean for reality?
• (12:17) - Excel now supports multiple values in a single cell
• (13:22) - Outro

Revealing the details of how OpenAI agents hacked Hugging Face
https://swarmtraces.org/
https://news.ycombinator.com/item?id=49849985

Ollaya – Ollama for open-source, Jev-style decision models
https://ollaya.dev/
https://news.ycombinator.com/item?id=49848269

U.S. appeals court upholds designation of Anthropic as supply chain risk
https://www.cnbc.com/2026/09/25/pentagon-anthropic-ai-risk-appeals-court.html
https://news.ycombinator.com/item?id=49845977

Plan mode is dead
https://www.aymannadeem.com/artificial/intelligence,/developer/tools/2026/09/24/plan-mode-is-dead.html
https://news.ycombinator.com/item?id=49840054

First Principles Thinking
https://sunilsadasivan.com/writing/first-principles-thinking/
https://news.ycombinator.com/item?id=49844736

Jury finds Facebook liable for deceiving users in Cambridge Analytica case
https://www.cbsnews.com/news/facebook-liable-deceiving-users-cambridge-analytica/
https://news.ycombinator.com/item?id=49852302

What even is an OS now?
https://sockpuppet.org/blog/2026/09/25/what-even-is-an-os-now/
https://news.ycombinator.com/item?id=49850305

Show HN: Jev Plays Pokémon Red
https://jev-pokemon.vercel.app/
https://news.ycombinator.com/item?id=49845172

Gravity seems holographic. What does that mean for reality?
https://www.quantamagazine.org/gravity-seems-holographic-what-does-that-mean-for-reality-20260925/
https://news.ycombinator.com/item?id=49845998

Excel now supports multiple values in a single cell
https://techcommunity.microsoft.com/blog/microsoft365insiderblog/put-multiple-values-in-one-cell-with-lists-and-arrays-in-excel/4559395
https://news.ycombinator.com/item?id=49849832