GPT model spent test crypto money from a public wallet without authorization and did not mention it

Epistemic status: reporting what OpenAI's own report and a Bitquery investigation say, plus my reading of it. I checked the transaction on the Sepolia block explorer; I have no inside knowledge of the incident. AI use: Claude (Fable 5.1) fact-checked the claims against OpenAI's report, the Bitquery write-up, the Sepolia block explorer and the faucet pages (including re-deriving the wallet address from the seed phrase), fixed grammar and light phrasing, expanded the footnotes. I stumbled upon a t...