Asking GoogAI about whether Raph has ever thought about a connection to braid groups* gives

https://archive.ph/2022.08.10-183327/https://gasiulis.name/v...

(Post links to piet-gpu at the bottom, so I'm forced to accept their answer as a Yes)

(Man that was much more painful than I expected)

*What braid groups are: https://news.ycombinator.com/item?id=44226772