For a while, I've been thinking that open source package portals will at some point take over making of binaries that get released. Dev teams will run their own CI with whatever automated test pipelines they think is appropriate. For a tests-pass situation and will pass the git hash to the portal system for release, which just runs compile and making the binary. Well, not all CI runs would result in a release, of course. Then the package portal's own software kicks in to calculate an independent since-last-release report that's attached alongside the maintainer release notes.

All such portals upgrade their hash/sig noting of binaries, and keep those in a history retaining merkle tree of sorts. Of nothing, else a git repo. Something like this https://github.com/hboutemy/mcmm-yaml/blob/master/aws/sdk/ko... but with SHA256s, and maybe not the entire world on one repo.