Fedora 41 Installation error

I had a similar experience (also on Fedora 41), except that after telling me that the signing key was not found, I then received an error message telling me that the 1password package could not be found:

Repositories loaded.
Failed to resolve the transaction:
No match for argument: 1password
You can try to add to command line:
  --skip-unavailable to skip unavailable packages

I tried downloading the .rpm from the website, but whenever I executed it, it would open the Fedora Software utility but not bring up the package and not install anything.

I was finally able to get it to work installing the downloaded .rpm from the dnf command line. So it seems that, in addition to the package not being properly signed, the package file isn't correctly formatted or stored in the provided repo.