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Prove your packages

Upseam delivers a package only when it can prove that you publish it. One proof per package is enough.

On this page

Upseam delivers a package only when it can prove that you publish it. Any one of these is enough for a package:

  • npm provenance. Publish from GitHub Actions with npm publish --provenance. This is the strongest proof.
  • A repository link. repository in package.json names this repository, and has done since the package first linked it.
  • A PyPI trusted publisher. Publish to PyPI from this repository with a trusted publisher, so that PyPI records the attestation.

Upseam also needs upseam.vendor.yml on the default branch, naming the provider and the package. See Connect in 3 steps.

Note

Before the first verification, Upseam reviews any PyPI package, an npm package with at least 10,000 downloads last week, or a package close to a static provider's SDK.

#States

vendor status shows the state of your registration.

State Meaning
pending Upseam has your repository but delivers nothing yet. The holds say why, for example that no package is proven. At most the last 3 releases are kept; releases from the last 30 days can be delivered after verification.
verified At least one package is proven. Only proven packages are delivered.
blocked Upseam stopped deliveries for the repository or its owner account.

A registration that gets no release for 30 days while pending is deleted. Run the workflow again to register anew.

#When a package is not proven

vendor status prints each package with its proof or with what is missing. Add one of the proofs above, publish a release and run vendor status again.

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