Accepting the report of the 500 witnesses as true, this still leaves open the question of the divinity of Jesus. In my view this question remained open until 325 C.E., when Constantine established one church and began suppressing all "heterodox" belief.
but it doesn't leave the door opened about whether or not the ressurectioned happened. I told you before I accept "deity" based upon the OT (granted you differ on interpretation) and on extra biblical intertestamental writings.