STAR: STreaming ARchive format #

STAR archives are simpler, stricter, and smaller than CARs, and can be canonical and stream-friendly.

|------ header ------| |---------------- ordered data pairs ----------------|
[ magic | len | meta ] [ len | key | len | val ] [ len | key | len | val ] …

• Read the full spec!

• Check out the application profiles!

soon: updated reference impls (and in more languages) + interop test vectors + a debug tool

Note: STAR-lite archives from hubble are currently v0 format (public atproto repos).

Note: the v1 format is not yet finalized.