CSAE: Context State Attestation Envelope
Copyright 2026 Traverse Labs LLC

This product includes software developed by Traverse Labs LLC
(https://traverselabs.ai).

PATENT NOTICE

Patent Grant (Apache 2.0 Section 3):

This library implements the CSAE attestation primitive (Layer 0) and
typed provenance chains (Layer 1) for verifiable context transfer
between AI agents. In accordance with Section 3 of the Apache License
2.0, Traverse Labs LLC grants you a perpetual, worldwide, non-exclusive,
royalty-free patent license to make, use, sell, and distribute this
software as provided, limited to the patent claims necessarily infringed
by this code as distributed.

Commercial Features (Not Included, Not Licensed):

The following features are NOT included in this library and are NOT
covered by the Apache 2.0 patent grant:

  - Full envelope construction with six-component integrity sealing
  - Transformation propagation history tracking across agent chains
  - Per-item authority controls with attenuated delegation chains
  - Degradation policies with provenance retention and seal
    recalculation under token budget constraints
  - Cross-vendor provenance traceability with organizational
    boundary verification

Traverse Labs LLC holds patent applications covering aspects of these
features. Implementation of these features, whether by extending this
library or by independent development, may require a commercial license
from Traverse Labs LLC.

Commercial licensing: brett@traverselabs.ai
