To cryptographically tie your reddit account to a PGP public key, you can generate a signed statement with Keybase.io, and post it here as a text post. This subreddit is strictly for such announcements.
Keybase proof
I am:
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on reddit.
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on keybase.
Proof:
hKRib2R5hqhkZXRhY2hlZMOpaGFzaF90eXBlCqNrZXnEIwEg+7ivS78U0VdBpmHSaup7WVg8PRfjB+U8RXB7MRagYygKp3BheWxvYWTES5cCzJXEILEROeFtrmbeYPLMgXoZpKuicDmiVXmUD+++aaeDon2txCAUUc8x5fQ/zphG4XeIUAxmS5kYSv/bHywa7q1BcczB3AIBwqNzaWfEQNJLWrXmdwWTiG4lgHUxNLOjWpGIya+DLOlCQaF0ElHbVdnU01gCGTVTJ9XGoGF4/RORaRl8x+o585UKVVQbnQaoc2lnX3R5cGUgpGhhc2iCpHR5cGUIpXZhbHVlxCCRU781MOmXcCNHzdGvDq7ltg3hn26tE8ipusWCL47kLqN0YWfNAgKndmVyc2lvbgE=