> I've tried to check the normal avenues for status but they are down. I'm
> confused why https://elpa.gnu.org/packages/ seems to be up but the packages
> are not able to be downloaded. It looks like the tests have been failing
> due to package resolution for at least 11 days.
11 days, huh? Sounds like you're bitten by the change of signing keys.
If you use Emacs-26.3 the problem should disappear.
If you use an older Emacs to fetch the packages you need to first update
the keys or disable signature checking.
Stefan