whyrusleeping answered this ably. They are part of the Bluesky team but aren't hiding the ball.
You can't do this today on the main network, no. Apparently they'll be "rolling out an experimental early version of federation" sometime later this month.
As for credibility on that timeline, the only major missed deadline they've had that I can recall was on making posts visible to those without an account. It was slated for (IIRC) late November/early December 2023 and launched December 21, 2023. I believe they overhauled the frontend as part of that work and it delayed things.
Also, they have already blessed one alternative DID method (`did:web`) and are open to slowly expanding that set (https://atproto.com/specs/did).
You can't do this today on the main network, no. Apparently they'll be "rolling out an experimental early version of federation" sometime later this month.
As for credibility on that timeline, the only major missed deadline they've had that I can recall was on making posts visible to those without an account. It was slated for (IIRC) late November/early December 2023 and launched December 21, 2023. I believe they overhauled the frontend as part of that work and it delayed things.
Also, they have already blessed one alternative DID method (`did:web`) and are open to slowly expanding that set (https://atproto.com/specs/did).