This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/cosign:3
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/cosign:3.0
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/cosign:3.0.4
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/cosign:3.0.4-20.209
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/opensuse/cosign:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.