An updated alt-gpgkeys has been recently uploaded to gitery: http://git.altlinux.org/people/arseny/private/alt-gpgkeys.git?p=alt-gpgkeys.git;a=shortlog;h=refs/heads/sisyphus The key was stripped with alt-gpgkey-strip.
* Mon Mar 30 2020 Gleb F-Malinovskiy <glebfm> 0.7.170-alt1 - Updated key: arseny@ (62E619E5; closes: #38291). - Added keys: + mattaku@ (E8FAAE39; see #38040); + kevl@ (7B247518; see #37940).