The persuasive story
An engineer explains why a memory retrieval feature must work. The architecture is coherent, the diagrams are clear, and the error handling sounds sensible. A reader may be persuaded. Yet the deployed route might still select the wrong engram or omit the one correction the next persona needs.
An explanation may itself be evidence of what the author believed or intended. It is not automatically evidence that the described system ran or produced the claimed effect. That distinction is easy to lose when a narrative is beautifully arranged.
Trace what supports it
The PHS claims discipline labels statements confirmed, inferred, or not checked. The enforcement standard requires applicable obligations to be matched to concrete components, tests, receipts, and runtime probes; documentation alone cannot establish compliance. The honest-uncertainty rationale asks the project to keep competing interpretations visible rather than make confident language stand in for observation.
A convincing explanation becomes most useful when it names a testable expectation: which contract, input, output, version, and readback would support it. Then the prose guides inquiry rather than declaring it finished.
Pause here: Which statement in the explanation is a verified observation, and which is an inference from the design?
Use prose to make checks possible
Sometimes direct verification is not yet possible. Say so and preserve the inference with its source and alternatives. An honest provisional account helps the next investigator more than a polished certainty built on an untested route.
The red guide can draw a fine picture of a bridge. The picture may help the builders find the right place for a load test. It cannot carry the cart over the river while the bridge remains on paper.
My answer: Persuasive prose is evidence of an account, not proof of the system's behavior. Tie claims to independent artifacts and tests, and label inference honestly.