If I ever tried this I would definitely want the logs to be secret. I might have to say a lot of horrible, horrible things.
A preferable solution is to publish the logs pseudonymously, thus both protecting your status and letting others study the logs.
Update 2013-09-05.
I have since played two more AI box experiments after this one, winning both.
Update 2013-12-30:
I have lost two more AI box experiments, and won two more. Current Record is 3 Wins, 3 Losses.