Why do I see "openpgp-digital-signature" as an attachment?

A secure friendly hello.

The file you’re seeing is a called a 

“GnuPG signature”.

This signature is a specially created file that “proves” the message is directly from me: Everett Dahling.

It’s impossible to forge – and can only be created by me.

However, you must first verify the signature using my “Public Key”.

What's the Public Key?

Everett's public key

Ensure the email signature matches the following fingerprint:

Fingerprint:

1853 5F78 21CD 0112 A91D 68AF BA0C 5740 D857 A621

 

-----BEGIN PGP PUBLIC KEY BLOCK-----
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=lshS
-----END PGP PUBLIC KEY BLOCK-----

You can also find my public key on multiple popular PGP key servers. Lookup my name via Lookup on Server on Kleopatra! 

Additional information.

Easier to understand info graphic on how the technology works.