在 docker dos 里面有这样一段描述：
Registry, the open source implementation for storing and distributing container images and other content, has been donated to the CNCF. Registry now goes under the name of Distribution, and the documentation has moved to distribution/distribution. The Docker Hub registry implementation is based on Distribution. Docker Hub implements version 1.0.1 OCI distribution specification. For reference documentation on the API protocol that Docker Hub implements, refer to the OCI distribution specification.
Registry是用于存储和分发容器映像和其他内容的开源实现，它已被捐赠给CNCF。Registry现在以Distribution的名字命名，文档也移到了Distribution / Distribution。
Docker Hub注册表的实现是基于Distribution的。Docker Hub实现了版本1.0.1的OCI发行规范。有关Docker Hub实现的API协议的参考文档，请参阅OCI发布规范
Distribution 文档现在在：