Elon Musk and Sam Altman have been in a long-running feud over generative artificial intelligence, and while the jury is still out on whether or not this technology is a bubble waiting to pop, we can say one thing for certain: Employees of both companies are hitting it big.

OpenAI published receipts, in the form of a long timeline of emails, texts and legal filings, illustrating that Elon Musk’s injunction to prevent OpenAI from converting into a for-profit company runs counter to what he wanted in 2017.