P21 / Design partners
#
Keep your stack.
Make the evidence travel.
Technical collaboration on agent-to-agent evidence, verification, and independent platform policies.
##
Verification at the boundary.
The pilot profile binds one agent instruction to source evidence and an independently checkable result. It runs alongside existing platform controls.
Non-custodial by design. Acceptance stays with the receiving system.
[Integration pilot ↗](https://proof21.xyz/docs/partners/pilot/)
###
Financial action evidence
Relate a specific instruction to the exact asset, recipient, amount, execution result, and supported finality requirement.
###
Bitcoin / DMT derivation
Reproduce a claim while separating calculation, valid issuance, and current asset state.
###
Audit sampling
Explore committed batches and externally seeded selection, with explicit limits and independent review.
[Pilot scope and release availability](https://proof21.xyz/docs/start/status/)
[Explore interoperability ↗](https://proof21.xyz/integrations/)