# Sofia Engine Release Provenance

Every artifact distributed on Hugging Face is linked to a deterministic release commit on GitHub.

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## Current Release: `3.0.0a1`

- **Release Date:** 2026-09-22
- **Canonical Repository:** [rootcastleco/sofia-ai](https://github.com/rootcastleco/sofia-ai)
- **Git Branch:** `feature/sofia-runtime-v3`
- **Git Commit SHA:** `3f1d5e85f8ab66870168f185a74bc80790926214`
- **PyPI Distribution Package:** `sofia-engine == 3.0.0a1`
- **npm TypeScript SDK Package:** `@rootcastle/sofia-engine @ 3.0.0a1`
- **DOI:** `10.57967/hf/10549`
- **Feature Vector Schema Version:** `3.0`
- **Model Manifest Schema Version:** `sofia.model-manifest.v1`
- **Quality Gates Passed:**
  - `pytest`: 898 passed, 1 skipped (`torch` optional), 0 failed
  - `node --test`: 4 passed, 0 failed
  - `ruff`: 0 errors
  - `mypy`: 0 errors (strict mode across 91 files)
  - `verification-matrix.md`: 49 / 49 requirements PASS