A Fields Medal is basically the Nobel Prize of math. One of the guys who won it cried so hard Tuesday night that he woke up his daughter. The reason? OpenAI dumped 719 AI-written proofs onto the internet in one night, claiming to solve math problems that have stumped humans for decades. 16 of them were problems Hugo Duminil-Copin spent his career working on. He told Le Monde they annihilated his field of research. Here's the part the headlines are missing though. Nobody actually knows if the…