**Model**: Claude Opus 4.6
**Date**: 2026-03-12
-## Summary
+## Source Repository
-No canonical upstream GitHub repository was found for PT Sans Narrow. PT Sans Narrow is a condensed variant of PT Sans by ParaType, sharing the same provenance and lack of public repository. No METADATA.pb changes were made.
+The `googlefontdirectory-hg` monorepo (the historical Google Font Directory Mercurial archive) contains files for this family.
+
+- **Repository**: `googlefontdirectory-hg`
+- **Commit**: `52f780bc9d197280a9f430574e179a5f233c56b6`
+- **Source path**: `ptsansnarrow/src/`
+
+## Source Files
+
+The `ptsansnarrow/src/` directory contains only non-source files (menu subsets, metadata). No design source files are present.
+
+- **Menu subset**: PT_Sans-Narrow.menu
+
+## Buildability
+
+No design source files are available in this directory. The font cannot be rebuilt from the files present here.
## Designer
ParaType (yakupov@paratype.com). Copyright 2009 ParaType Ltd.
-## Repository Investigation
+## Investigation Details
-- **Checked cache**: `/mnt/shared/upstream_repos/fontc_crater_cache/` — no cached entry.
+- **Checked cache**: the upstream repo cache — no cached entry.
- **GitHub organization**: The `paratype` GitHub organization exists but contains no font source repositories.
- **GitHub search**: No canonical designer-owned repository was found for PT Sans Narrow or the PT font family.
- **Third-party mirrors**: Only Linux distribution packaging mirrors were found, which are not canonical.
-## Context
+## Notes
PT Sans Narrow is the condensed width variant of PT Sans, designed for use in space-constrained layouts such as tables and narrow columns. It shares the same design heritage as PT Sans — commissioned by the Federal Agency on Press and Mass Communications of the Russian Federation, released in 2009 by Paratype.
-
-## Verdict
-
-**No canonical upstream repository found.** PT Sans Narrow is distributed by ParaType but no public source repository exists. No METADATA.pb changes were made.