Digg import feeds and verification#microformats · · Peter Hoffmann
The new Alpha Digg lets you auto-import your content. They want you to verify that you are the owner of the content. But instead of using the open Microformats standard rel="me" like Google Buzz does, you have to add a verification key to one of you posts.
Verify Key: 651a6fa177724b03b9d33e37652831c7