This directory, dists, is the canonical way to access the distributions.
Each distribution can be accessed by name or state from here.

oldoldstable, or bullseye - the released Debian 11.11
oldstable, or bookworm - the released Debian 12.11
stable, or trixie - the released Debian 13.0
oldoldstable-proposed-updates - possible updates to Debian 11
oldstable-proposed-updates - possible updates to Debian 12
proposed-updates - possible updates to Debian 13
bullseye-updates - important updates to Debian 11
bookworm-updates - important updates to Debian 12
trixie-updates - important updates to Debian 13
testing, or forky - the development version of the next release
unstable, or sid - untested candidate packages for future releases
experimental, or rc-buggy - experimental packages to be used on top of unstable