This container can be pulled via:
  docker pull registry.opensuse.org/home/dcassany/unifiedcore/tumbleweed/containers/uc-base-kernel-default-iso:20260409.0-8.3
  docker pull registry.opensuse.org/home/dcassany/unifiedcore/tumbleweed/containers/uc-base-kernel-default-iso:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.