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ZarynZaryn
provenance · append-only · merkle

Transparency log

A Certificate-Transparency-style log of provenance and org-endorsement events. Nothing here is trusted on the server's word: this page downloads every leaf, rebuilds the Merkle root with the RFC 6962 algorithm, and checks the server's Ed25519 signature, all inside your browser.

prefer a terminal? $ zev verify-sth <zev-api url>

◌
Verifying…
fetching signed tree head
  1. ○
    Download every committed leaf
  2. ○
    Rebuild the Merkle root (SHA-256, RFC 6962)
  3. ○
    Signed message commits to this size and root
  4. ○
    Ed25519 signature by the server key

Entries

    v re-verifyleaf hash = SHA-256(0x00 ‖ leaf_data)