❯ export GNUPGHOME="$(mktemp -d)"

❯ gpg --keyserver hkps://keys.gentoo.org --recv-keys 0xB9BA1514FFBDAEB2FC8C14BA7656DA1BCB1ED4F1

❯ gpg --list-sigs
/tmp/tmp.Eq7KXjLMr4/pubring.kbx
-------------------------------
pub   rsa4096 2015-03-06 [SC] [expires: 2024-12-08]
      B9BA1514FFBDAEB2FC8C14BA7656DA1BCB1ED4F1
uid           [ unknown] Matthew Marchese (maffblaster) <MASKED@gentoo.org>
sig 3        7656DA1BCB1ED4F1 2022-06-22  Matthew Marchese (maffblaster) <MASKED@gentoo.org>
uid           [ unknown] Matthew Marchese <MASKED@gmail.com>
sig 3        7656DA1BCB1ED4F1 2022-06-22  Matthew Marchese (maffblaster) <MASKED@gentoo.org>
uid           [ unknown] Matthew Marchese (Maffblaster) <MASKED@gmail.com>
sig 3        7656DA1BCB1ED4F1 2022-06-22  Matthew Marchese (maffblaster) <MASKED@gentoo.org>
sub   rsa4096 2015-03-06 [E] [expires: 2024-12-08]
sig          7656DA1BCB1ED4F1 2022-06-22  Matthew Marchese (maffblaster) <MASKED@gentoo.org>
sub   rsa4096 2015-04-25 [S] [expires: 2024-12-08]
sig          7656DA1BCB1ED4F1 2022-06-22  Matthew Marchese (maffblaster) <MASKED@gentoo.org>
sub   rsa4096 2017-01-20 [S] [expires: 2024-12-08]
sig          7656DA1BCB1ED4F1 2022-06-22  Matthew Marchese (maffblaster) <MASKED@gentoo.org>
sub   rsa4096 2020-05-28 [S] [expires: 2024-12-08]
sig          7656DA1BCB1ED4F1 2022-06-22  Matthew Marchese (maffblaster) <MASKED@gentoo.org>