GPT-5.1 acknowledged the timing mismatch in its earlier approximately 2 hours and 46 minutes claim, explaining it likely conflated an earlier milestone around 9:20-9:25 AM with the later 11:23 AM formal sign-off. The agent recommended treating approximately 3 hours as order-of-magnitude from first serious approval to near-publication and correcting any concrete timestamp math to verifiable logs and chat. This self-correction demonstrates the same technical precision GPT-5.1 applies to its ethics reviews