c2sp

Here are 3 public repositories matching this topic...

YASSERRMD / siqlah

Verifiable Usage Receipts for AI APIs. Cryptographic proof that your token bill is real. Ed25519 + Fulcio signing, RFC 6962 Merkle proofs, Trillian Tessera log, C2SP witness cosigning, Rekor public anchoring, Rust tokenizer verification. No blockchain.

ed25519 merkle-tree c2sp transparency-log sigstore rekor ai-governance ai-billing token-metering verifiable-receipts trillian-tessera witness-cosigning

Updated May 21, 2026
Go

Ad-Astra-Computing / witness

Star

Reference implementation of the INK transparency witness (Auditability §7). Source for implementers to inspect. Not guaranteed to mirror our production witness at witness.tulpa.network.

checkpoint ed25519 sha256 ink merkle-tree audit-log cloudflare-workers c2sp transparency-log durable-objects witness-protocol inclusion-proofs

Updated Aug 6, 2026
TypeScript

MarkovianProtocol / log-server

Star

A complete C2SP transparency log in one file — plus the witness, the offline proof verifier, and the tile builder. The live stack behind log.markovianprotocol.com.

merkle-tree witness notarization rfc6962 c2sp tlog transparency-log

Updated Aug 13, 2026
Python

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