Mar 7, 2025 | Mistral OCR, succinct data structures, anime fans discover mathematical proof

This is a recap of the top 10 posts on Hacker News on Mar 7, 2025.Mistral OCRhttps://mistral.ai/fr/news/mistral-ocrhttps://news.ycombinator.com/item?id=43282905Succinct Data Structureshttps://blog.startifact.com/posts/succinct/https://news.ycombinator.com/item?id=43282995Anime fans stumbled upon a mathematical proofhttps://www.scientificamerican.com/article/the-surprisingly-difficult-mathematical-proof-that-anime-fans-helped-solve/https://news.ycombinator.com/item?id=43282133Show HN: CodeTracer – A new time-traveling debugger implemented in Nim and Rusthttps://github.com/metacraft-labs/codetracerhttps://news.ycombinator.com/item?id=43280615Differentiable Logic Cellular Automatahttps://google-research.github.io/self-organising-systems/difflogic-ca/?hnhttps://news.ycombinator.com/item?id=43286161Reintroductions of beavers into the wild in several parts of Englandhttps://www.wildlifetrusts.org/news/beavers-are-coming-homehttps://news.ycombinator.com/item?id=43241589Using GRPO to Beat o1, o3-mini and R1 at "Temporal Clue"https://openpipe.ai/blog/using-grpo-to-beat-o1-o3-mini-and-r1-on-temporal-cluehttps://news.ycombinator.com/item?id=43284420Rayhunter – Rust tool to detect cell site simulators on an orbic mobile hotspothttps://github.com/EFForg/rayhunterhttps://news.ycombinator.com/item?id=4328391750 Years in Filesystems: 1984https://blog.koehntopp.info/2023/05/06/50-years-in-filesystems-1984.htmlhttps://news.ycombinator.com/item?id=43283498Why I find diffusion models interesting?https://rnikhil.com/2025/03/06/diffusion-models-evalhttps://news.ycombinator.com/item?id=43285726