It is proven! I am ecelis on Keybase: https://keybase.io/ecelis/sigchain#aa72e73193a2f7610c1072dfa5fd2b4d6d651e75dc1ea240d65862cf3500e0b30f
"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