How to download the sonatype gpg public key


It seems that the public gpg key change recently.
We used to verify it with this public key

pub   dsa1024 2009-02-27 [SC]
uid           [ unknown] Sonatype, Inc. (Sonatype release key) <>
sub   elg2048 2009-02-27 [E]

but it does not work anymore :frowning:

we want to verify the gpg signature (asc file from download page at Download) but we can not find the public gpg key ( C26BAB2B209A8FF4

How can we download it ?