Continuity mistake: During Worf's questioning, Worf switched from being a Lt. Commander (2.5) pips and a commander (3) pips several times.
Continuity mistake: In the scene where Dax is being questioned by the Klingon lawyer, Captain Sisko is shown having only 3 pips, or the rank of commander. (00:12:55 - 00:13:25)
Chosen answer: No. He's given his name, that's all. Nothing there that might lead to a paradox. If he's gone into detail about his time travelling, that might cause an issue or two, but simply stating his name does nothing.
Tailkinker ★