It's official. There's videotape of one of the IAEA seals, intact, as of April 18th, 2003.
So much for the argument that explosives were removed before the U.S. took control of al Qaqaa.
Of course, this question was always more of a diversion from the real issue (why was the Bush administration so lax in securing potentially dangerous munitions in Iraq?). But it's nice that there is a visual defense against the diversion.