[artix-general] Problem with some keys

[jerome moliere]

Hi all,
I am quite new with artix , I reinstalled an Artix a few weeks ago , it was
the only distro supporting my System 76 laptop.
For a couple of days now (may be 2 weeks) I am unable to update my machine .
There are different packages checks failing as shiwn below:
error: borg: signature from "Morten Linderud <morten at linderud.pw>" is
marginal trust
:: File /var/cache/pacman/pkg/borg-1.1.16-5-x86_64.pkg.tar.zst is corrupted
(invalid or corrupted package (PGP signature)).
Do you want to delete it? [Y/n]
error: python-xlib: signature from "Morten Linderud <morten at linderud.pw>"
is marginal trust
:: File /var/cache/pacman/pkg/python-xlib-0.30-1-any.pkg.tar.zst is
corrupted (invalid or corrupted package (PGP signature)).
Do you want to delete it? [Y/n]

I have tried to search for such problems and as a consequence I tried:
- to refresh the keystores with standard server and with the ubuntu key
server
- I tried to grab new keys contents explicitly

But I have always this problem with a few keys (Morten Linderud is one of
them) preventing updates.

It seems that the key has been signed with a very strange date (3077 days
ahead)...But i am definitely not expert with keys signing

Valuable advices welcomed!!
Regards
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