This container can be pulled via:
  docker pull registry.opensuse.org/home/pushman/bci/cr/sle-15-sp7/containerfile/suse/cosign:3
  docker pull registry.opensuse.org/home/pushman/bci/cr/sle-15-sp7/containerfile/suse/cosign:3.0
  docker pull registry.opensuse.org/home/pushman/bci/cr/sle-15-sp7/containerfile/suse/cosign:3.0.5
  docker pull registry.opensuse.org/home/pushman/bci/cr/sle-15-sp7/containerfile/suse/cosign:3.0.5-10.4
  docker pull registry.opensuse.org/home/pushman/bci/cr/sle-15-sp7/containerfile/suse/cosign:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.