Audit · append-only ledger

Meridian

Engineering governance events chained by SHA-256. Append, verify integrity, or clear the demo chain. Browser-local only.

Integrity SHA-256 GENESIS anchor

Append eventWrite

Event type Actor Payload note

Integrity statusEMPTY

Events

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Last type

GENESIS

Head

Verify recomputes each hash and checks prev continuity. A mismatch surfaces as TAMPER / BREAK.

Event chainlocalStorage

Demo chain only. Production Meridian uses Ed25519 seals — see the source repo.