--- /dev/null
+# Saira Stencil One — Source Metadata Investigation
+
+**Model**: Claude Opus 4.6
+**Date**: 2026-03-12
+
+## Source Repository
+- **URL**: https://github.com/Omnibus-Type/Saira
+- **Commit**: `1916f2a575479b626238d9842126e63aa208eebf`
+- **Status**: Commit hash was added to existing source block
+
+## What Was Done
+The upstream repository at https://github.com/Omnibus-Type/Saira was identified as the source for Saira Stencil One. The latest commit on the default branch was retrieved via the GitHub API and added to the `source` block in METADATA.pb. No tagged releases were found in the repository.
+
+## Build System
+The repository contains the font sources organized under subdirectories `Saira/` and `SairaStencilOne/`. No Makefile or build script was found at the root level; the repository appears to distribute pre-built font files directly.
+
+## Notes
+The Saira Stencil One family shares its upstream repository with the broader Saira font family (which includes multiple weights and styles). The METADATA.pb source block already pointed to the correct repository URL.