This container can be pulled via:
  docker pull registry.opensuse.org/home/defolos/bci/cr/sle-15-sp6/containerfile/suse/cosign:2
  docker pull registry.opensuse.org/home/defolos/bci/cr/sle-15-sp6/containerfile/suse/cosign:2.5
  docker pull registry.opensuse.org/home/defolos/bci/cr/sle-15-sp6/containerfile/suse/cosign:2.5.0
  docker pull registry.opensuse.org/home/defolos/bci/cr/sle-15-sp6/containerfile/suse/cosign:2.5.0-4.25
  docker pull registry.opensuse.org/home/defolos/bci/cr/sle-15-sp6/containerfile/suse/cosign:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.