I wonder what the digital signature was for?? Didnt copy that, just copied and pasted the confirmation number and sent it to myself on email but I had saved the whole page with which includes the signature on a flash. So will have to print copies of that as well and save it to my email.
According to the dvlottery website, the "Digital Signature [is a] series of numbers and letters is automatically generated once you click the final Continue to submit your entry. You will need this signature only in the event that a dispute arises over your Entry Form."
So unless a dispute arises (which hopefully it will not!) you will not require it.