From the Hacker News thread
They do mention it here > Note: This blog is inspired by Jiayi Pan [1] who initially explored the idea and proofed it with a small model. I might have written it as > Note: This blog is inspired by Jiayi Pan [1] who also reproduced the "Aha Moment" with their TinyZero [2] model. [1] x.com/jiayi_pirate/status/1882839370505… (1.1M views btw) [2] github.com/Jiayi-Pan/TinyZero A lot of people are busy reproing R1 right now. I think this is the spark.