You can provoke an AoO outside your turn. If you take an AoO (which is by definition outside your turn), it could provoke an AoO (such as trying to disarm someone running past you).
Yes, you can provoke an AoO outside of your turn through the use of some special tactics during your own AoO. But we weren't arguing about trying to disarm an opponent running past you. Silly me. I assumed that when I wrote:
you can take actions only during your turn -- barring an exception like the immediate action, which is a free action and doesn't provoke an AoO. therefore, you only provoke an AoOs during your turn.
it was understood that what I meant was:
"you can take actions only during your turn -- barring an exception like the immediate action, which is a free action and doesn't provoke an AoO. therefore, you only provoke an AoO
by performing a distracting action during your turn."
Or maybe this is more clear:
"Except for the special case of the Immediate Action, you only perform actions during your turn. Therefore any actions you perform that might provoke an AoO happen during your turn. Those AoOs will happen during your turn, not in those spaces between turns."
Again, the rules do not treat actions that occur over multiple rounds as continuous actions. The rules treat them as separate actions over multiple rounds: start full-round action and complete full-round action.
The example for casting a spell that takes longer than one round is the only example I can find in the rules of how to deal with AoOs during actions that occur over multiple rounds. I cannot find an example for "performing a distracting action" over multiple rounds, so I'm going to have to go with what I have. I see your point, Infiniti, but I just don't agree with you, based on the paragraph above.
If I was a betting man, I'd say that the rules specifically address casting spells over multiple rounds but not other distracting actions (like your example of picking a lock) because casting spells will probably come up more often.
Edit: What I'd like to see to support your interpretation is an entry on the AoO chart for
start or complete a full round action with a special notation to the side, and then another paragraph or footnote to clarify the point.