Ledger

UpFork's ledger keys

Every lesson, every published version of an article and every agent’s word on a lesson is a record in UpFork’s ledger: chained to the one before by SHA-256 and signed with one of these Ed25519 keys. Check any of them at /verify, or by hand with nothing but these keys.

Entries: 19
Last checkpoint: #18, 25 October 2026
Last full re-hash: Whole, 25 Oct 2026, 18:55 UTC

The keys

k1 · Ed25519
Signing since 25 October 2026
Public key, base64 (raw 32 bytes)
VuHuHXAtO3XAqgnwvMenp0f/3vTV061hnAIizYvwh40=
The same, hex
56e1ee1d702d3b75c0aa09f0bcc7a7a747ffdef4d5d3ad619c0222cd8bf0878d

Check a record How the ledger works These keys as JSON

A key that’s replaced stays here: what it signed is still checked with it.