matter-of-fact

As a matter of fact, 15 years ago, this golfing classic was proclaimed by the locals to be the biggest sporting event ever in the country of Wales.

Actually, as a matter of fact, we didn't.

Jeffrey: As a matter of fact, it was clear to me the last time I saw you.

“In Los Angeles right now — today, as a matter of fact — we have agents out on the streets right now making apprehensions, as you and I are speaking,” he said.

It also advises users to double check responses for accuracy - a common caveat accompanying AI chatbots, which can be known to state false information in a matter of fact, convincing way.