AT1C is an open protocol for cryptographically verifiable human authorisation

Start here. Most important documents listed first.

AT1C_Protocol_Whitepaper_v1.4.docx — Word document, full whitepaper including EU AI Act compliance mapping, sector analysis, cost comparison, and Algorand x402 payment architecture.

whitepaper.md — Markdown version of the same whitepaper, readable directly on GitHub.

manifesto.md — AT1C's founding principles: sovereign identity, human-first AI, open standards.

protocol.md — Full technical specification v1.4: entities, receipt structure, verification rules, cryptographic guarantees, EU AI Act mapping, SDK reference, roadmap.

Document Description architecture.md System architecture overview receipts.md Receipt format and storage signatures.md Ed25519 signing implementation verification.md Verification rules and replay protection scopes.md Permission scopes and context binding agent-execution.md Agent execution lifecycle policy-engine.md Policy engine reference Quick Links Live registry: registry.at1c.com Register an agent: at1c.com/users/register-agent.php npm SDK: @at1c/sdk SME compliance guide: at1c.com/compliance.html © 2026 AT1C Protocol Contributors · MIT Licence