# Licensing and upstream notices

The **google/gemma-4-E2B-it** upstream model identifies **Apache-2.0** licensing. Its original revision is pinned in `src/ryzova_alphi/checkpoint.py`. This release contains modified / merged model parameters built from that base. Preserve attribution and prominent modification notices as required by the applicable upstream license.

Ryzova intends to license **Ryzova-owned code** in this repository as **MPL-2.0**. The `LICENSE` file contains MPL-2.0 text. This does not automatically relicense third-party or Google-owned code, nor does it establish ownership of vendored dependencies; retain third-party notices and review each vendored file before making the repo public.

`LICENSE-APACHE-2.0.txt` contains the Apache License 2.0 text relevant to the Google upstream model.

See https://huggingface.co/google/gemma-4-E2B-it and https://www.mozilla.org/en-US/MPL/2.0/ for official license information.

Model modification notice: Ryzova Alphi v1 reuses Google Gemma 4 E2B-it neural architecture/weights with a Ryzova merged checkpoint and independently packaged host-side neuro-symbolic and memory tooling. The merger's archived evidence status may remain unattested; do not describe the merge as independently certified until provenance is resolved.