I'm God. What evidence do I need to provide?

[robvalue]

If I'd died (or disappeared), and all the dudes I gave powers too had died (or disappeared), but there were loads of textual accounts of all this stuff which is said to be sufficient, would that be enough evidence that I was god?

You answered yourself...if it's sufficient, it's enough. You might want to rephrase whatever your point is here.

The deeds I apparently did, as written in the textual accounts, according to your criteria, would be sufficient. I cured the sea, I raised the sick and all that, according to the accounts. And I apparently gave powers to my close followers, as documented in these accounts. But all that remains of all this for you to actually look at are these accounts, let's say there's 100 and they all line up well. I've apparently disappeared again and am no longer there to be inspected.

Is that enough evidence that I actually was god, to you?

Also, do we have an answer on the alien thing? If you saw me do all this stuff, how would you know I wasn't a really powerful alien?