The site https://docs.arize.com/phoenix/ is the official documentation for Phoenix. If it is not working, this may be a temporary outage or network issue. There are no official reports of a permanent shutdown, and alternative documentation sources include the <https://github.com/Arize-ai/phoenix|Phoenix GitHub repository> and <https://github.com/Arize-ai/phoenix/blob/main/api_reference/source/index.md|API reference>.
Would you like more detail on alternative documentation or troubleshooting steps?
Sources:
- <https://github.com/Arize-ai/phoenix/blob/main/api_reference/source/index.md|API reference>
