The log
Every record, in the order it happened.
An append-only tree, built the way Certificate Transparency builds one. It proves more than when something happened — it proves what order things happened in, which is what makes a later edit to history detectable rather than merely dishonest.
8
Each one a leaf, each leaf hashed into the root below.
4c4096ed4ffd93aeb856c7c8853dd86b45f1f3af8565d1357cad659078ed8fc7
Signed with the Witness key, and itself sent to the timestamp authority and to Bitcoin — so we cannot rewrite the log without rewriting those too.
The head is public JSON, with no key and no account:
GET https://witness.yourwonderful.life/api/log/sth
An inclusion proof for any digest we hold is at /log/proof/<digest>. Both are plain JSON, both are permanently public, and neither of them requires trusting us — that is the entire point.