The Way of the Warrior (1) - S4-E1
Visible crew/equipment: At the start, after the Changeling surprise drill's staff is dismissed, while Sisko and Nerys are walking away, when she asks, "How about some dinner?" at the bottom left side of the screen, there are multiple T-marks visible on the floor behind her, ending with a pink T-mark as Sisko exits. (00:02:30)
The Way of the Warrior (1) - S4-E1
Character mistake: At this point in time, the Khitomer Conference (where the Federation and Klingons resolved their conflict) was at least 70 years ago, yet Bashir refers to their peace with the Klingons as having lasted two decades.
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 ★