It means the releases are cryptographically signed using GitHub OIDC, with SLSA v1 provenance and entries in the Rekor transparency log.
That means:You can verify every artifact against its source code i.e I have not tampered with the code post deployment. for example part of the build is a dry-run on the worker build, this is stored as part of the build so you can see / confirm the exact code that was uploaded and this code is signed.
That means:You can verify every artifact against its source code i.e I have not tampered with the code post deployment. for example part of the build is a dry-run on the worker build, this is stored as part of the build so you can see / confirm the exact code that was uploaded and this code is signed.