This page helps prepare a buyer conversation without overbuilding. Choose the sector pack, name the institution, and export a simple JSON proposal for review.
Start with one painful proof problem. Show a demo packet. Export a portable receipt. Then expand. That keeps PLENA credible and avoids the “impossible mega-SaaS” trap.
one enginesector vocabularypilot outputtruth boundary
Use this as a conversation artifact, not as a legal, audit, regulatory, or certification claim.
d19.113 adds fictional sample receipts, a buyer memo, and a pilot packet so the ProofOps demo produces tangible outputs without overclaiming official verification.