The nonce is the number of the bet you have made with that specific client and server seed. You can see it in the bet information page.
Oh, now I see it. It's in the box with the client seed
http://i.imgur.com/hbAcOdk.pngOk, only the hashed server seed is available. Using the hashed server seed doesn't check out to be provably fair here:
http://i.imgur.com/MwiA8fP.pngSo apparently we really can't check provably fair?
