It’s faith, but there’s also proof available to each person.
That Jesus is who he says, resurrected at the right hand of the Father can be know personally by personal salvation and direct conscious contact with God through prayer and communion.
I realize this is not objective evidence. But we have no objective evidence of the taste of chocolate, yet each person who has tasted it knows...
I don't buy your argument. If that was the case I can ask...How do we know that George Washington crossed the Delaware? We have no living eyewitnesses to cross-examine. All we have are written accounts supposedly written by early contemporaries. It's just a myth that we have to take on faith. At the time he was supposed to have crossed the Delaware, he was actually vacationing down in Florida.