The lineage for signed, append-only histories that replicate subjectively.
Every identity owns one append-only log, signed by its own key. That log is the only thing that gets replicated.
Peers gossip the logs of the identities they follow, so each node ends up with a partial view assembled from who it chose to listen to. Two nodes on the same network can hold different pictures of it and both be correct.
There is no global namespace and no consensus round. The protocol has run a live social network for years, which makes it evidence rather than a proposal.