Proof · The proof set · Element
The evidence
The specific artefact supporting the claim.
The part
What it is
Evidence must be a thing that exists — a measurement, a named reference, a certificate, an audit. A belief held confidently is not evidence.
The strongest evidence usually comes from customers rather than from the organisation, which is a reason to make it easy for them to provide.
The smallest level
The attributes it carries
Each attribute is one of the framework’s shared types. What a date is, and how it is written, is defined once for the whole model — the note here says what it means in this particular place.
Evidence type
Measurement, customer reference, certification, audit or demonstration.
Choice shared type