AIIR — AI Integrity Receipts
Copyright 2025-2026 Invariant Systems, Inc.

Licensed under the Apache License, Version 2.0.
See LICENSE for the full license text.

"AIIR", "AI Integrity Receipts", and "Invariant Systems" are trademarks
of Invariant Systems, Inc. See TRADEMARK.md for usage guidelines.

This product includes a pure-Python Ed25519 implementation in
aiir/_ed25519.py whose field arithmetic and point operations are derived
from Daniel J. Bernstein's public-domain Ed25519 reference implementation
(https://ed25519.cr.yp.to/), which is dedicated to the public domain.
AIIR's additions (fail-closed verification, input validation, subgroup and
identity-point checks) are Copyright 2025-2026 Invariant Systems, Inc. and
licensed under Apache-2.0.
