[loph]

WTF is "Proverence"? I'd call it a typo except it is consistently misspelled.

I think the author means "provenance".

https://www.merriam-webster.com/dictionary/provenance

[thenerdhead]

Yep they do. Provenance and especially "build provenance" are what they are referring to but definitely misspell it.

https://slsa.dev/spec/v0.1/provenance