It is proven! I am ryanbw on Keybase: https://keybase.io/ryanbw/sigchain#05f00caca6772766a9a0c55acfc8fe453607caf6575c2881ca48b7af6fdc5c6d0f
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko