A.2.6:16.3 - Minimal DSL snippet for scope blocks (illustrative)

claimScope:
  effectiveReferenceScheme: MaterialsLabScheme@2026
  Standards:
    - rig: Calib-v3
    - api: v2.3
  env:
    substrate: Al6061
    temp: [120, 150] # °C
    dwell: { max: "2h" }
receivingGuards:
  evidenceProvenanceUse:
    relevance_window_days: 365 # A.10/R guard, not Claim scope

(Illustrative only; the specification does not mandate a particular syntax.)