This folder was signed by:

eduardo andres aranguiz olea

Who is also provably:

Using the Keybase filesystem.

open /keybase/public/sigma4

# Linux
cd /keybase/public/sigma4

Install Keybase

Windows Linux macOS

Install Keybase

With Keybase installed, you can drop files onto your own computer that are immediately signed and hosted on You can also write private, end-to-end encrypted files with anyone you know.

And it comes with an encrypted chat, too.