* Geert Stappers: >> sig!3 9B7C328D 2004-07-02 Luk Claes <luk@debian.org> > > mmm, according > http://lists.debian.org/debian-newmaint/2005/01/msg00042.html > became a Luk Claes in january 2005 Debian developer. > > Is it the same Luk Claes? Why not? 2004-07-02 is just the signature creation time. Luk has recently changed his primary user ID, and GnuPG uses it when displying the issuer. The certificate itself does not contain a user ID.