This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/16.0/containerfile/suse/cosign:2
  docker pull registry.opensuse.org/devel/bci/16.0/containerfile/suse/cosign:2.5
  docker pull registry.opensuse.org/devel/bci/16.0/containerfile/suse/cosign:2.5.0
  docker pull registry.opensuse.org/devel/bci/16.0/containerfile/suse/cosign:2.5.0-6.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.