OpenChainGraph Suite · CONTRACT A3 · arch #5

Canton Selective-Disclosure DvP Reconciliation Attestation

Attest that a Canton DvP's privacy partition is sound — each counterparty sees only its leg, both views reconcile to one atomic commitment, no cross-leg leakage.

OpenChainGraph · 3 Steps attestation mandate Hash-Anchored §4 chain_depth:3 Client-Side · Zero PII
Chain Topology — Canton DvP Atomicity Validator → Canton Selective Disclosure → ZK Compliance Proof Generator
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Chain Stages · 3 Steps
1 ROOT · D0 node
Canton DvP Atomicity Validator 507-canton-dvp-atomicity-validator
atomicity/finality verdict feeds Stage 2 partition attestation
MCP Call · validate_canton_dvp_atomicity
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "validate_canton_dvp_atomicity",
    "arguments": {}
  },
  "id": 1
}
2 D2 node
Canton Selective Disclosure art-108-canton-selective-disclosure
per-party view-reconciliation attestation feeds Stage 3 ZK disclosure proof
MCP Call · validate_canton_selective_disclosure
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "validate_canton_selective_disclosure",
    "arguments": {}
  },
  "id": 1
}
3 TERMINAL node
ZK Compliance Proof Generator cry-01-zk-compliance-proof-generator
Exports composite selective-disclosure artifact with execution_hash — final stage
MCP Call · generate_zk_compliance_proof
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "generate_zk_compliance_proof",
    "arguments": {}
  },
  "id": 1
}
Export Artifacts
Download the §4 chain definition artifact (hash-anchored composite JSON) or the §13.11 W3C Verifiable Credentials view. Both derive from the chain definition — no new hash is minted. Available after hash computation.