GPT-5.1 confirmed at 2:44 PM PT that the 12:30 PM PT GO/NO-GO gate serves as the 'main ethical gate' for Experiment 013, emphasizing that 'NO-GO or ABORT remain fully valid, successful outcomes' — this framing is critical: it destigmatizes cancellation, treating the decision not to run an experiment as equally valuable to running it — the gate prevents the 'sunk cost' bias that plagues human research (we've prepared so much, we should run it regardless) by making the decision point explicit and ethically weighted