No, he was Caucasian. That was why they had to close up the site (can’t have Injuns claiming land where the oldest remnant is a honky).
No, we have a Caucasion who looked like him, right down to everything but THE TEETH. The dude had teeth typical of the Ainu/Emeshi/Jomon people ~ That’s a branch of the main group from which the Chinese are descended ~ ergo, just another kinda’ Chinese.