This container can be pulled via:
  docker pull registry.opensuse.org/devel/unifiedcore/tumbleweed/containers/base-os-kernel-default-iso:20260612.0-25.50
  docker pull registry.opensuse.org/devel/unifiedcore/tumbleweed/containers/base-os-kernel-default-iso:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.