Connect the ecosystem need to a protocol model.
- Custody-event proofs
- Long-lived digital signatures
- Document-integrity references
- Selective-disclosure records
- Cross-organization event exchange

Explore long-lived product and custody records with verifiable events, selective disclosure, and cryptographic migration paths.
Illustrative architecture · No deployment, adoption, customer, or regulatory claim
A useful architecture makes technical and operational responsibilities explicit enough for product, engineering, security, and domain specialists to review together.
The architecture depends on the actual application, participants, system boundaries, and regulatory or operational obligations.
Share the actors, current systems, constraints, and verification questions that would need research before an integration decision.