https://moderncrypto.org/mail-archive/messaging/2015/001666.html
[messaging] Secure OpenPGP Key Pair Synchronization via IMAP (RFC)
openpgp keymessagingsecurepairsynchronization
https://www.helpnetsecurity.com/2009/10/15/openpgp-key-archiver-paperkey-12-released/
OpenPGP key archiver Paperkey 1.2 released - Help Net Security
Oct 15, 2009 - A reasonable way to achieve a long term backup of OpenPGP (GnuPG, PGP, etc) keys is to print them out on paper. Paper and ink have amazingly long
openpgp keyarchiverreleasedhelpsecurity
https://bacardi55.io/2023/02/05/setting-up-openpgp-web-key-directory-wkd/
Setting up OpenPGP Web Key Directory (WKD) | Bacardi55's Web Cave
openpgp web key directorysetting upwkdcave
https://codesorcery.net/old/pubkey.html
Justin R. Miller's OpenPGP Public Key
justinropenpgppublickey