This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp7/containerfile/suse/cosign:2
  docker pull registry.opensuse.org/devel/bci/sle-15-sp7/containerfile/suse/cosign:2.5
  docker pull registry.opensuse.org/devel/bci/sle-15-sp7/containerfile/suse/cosign:2.5.3
  docker pull registry.opensuse.org/devel/bci/sle-15-sp7/containerfile/suse/cosign:2.5.3-61.9
  docker pull registry.opensuse.org/devel/bci/sle-15-sp7/containerfile/suse/cosign:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.