This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/riscv/totest/containers/opensuse/bci/bci-nano:20260603.0
  docker pull registry.opensuse.org/opensuse/factory/riscv/totest/containers/opensuse/bci/bci-nano:20260603.0-5.21
  docker pull registry.opensuse.org/opensuse/factory/riscv/totest/containers/opensuse/bci/bci-nano:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.