OpenChainGraph Suite · CONTRACT A3 · arch #5

Arc StableFX Risk Elimination

W-B chain. Quantify Herstatt risk and FX spread savings from Arc StableFX atomic PvP vs non-CLS bilateral settlement.

OpenChainGraph · 2 Steps treasury mandate Hash-Anchored §4 chain_depth:2 Client-Side · Zero PII
Chain Topology — Arc Fit Diagnostic → Arc StableFX RFQ Economics Model
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Chain Stages · 2 Steps
1 ROOT · D0 node
Arc Fit Diagnostic art-42-arc-fit-diagnostic
arc_score → StableFX dimension primary
MCP Call · run_arc_fit_diagnostic
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "run_arc_fit_diagnostic",
    "arguments": {}
  },
  "id": 1
}
https://mcp.ainumbers.co/mcp
↓
2 TERMINAL · D2 node
Arc StableFX RFQ Economics Model art-44-arc-stablefx-model
herstatt_exposure, annual_benefit_usd, verdict — StableFX economics — final stage
MCP Call · model_arc_stablefx_rfq
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "model_arc_stablefx_rfq",
    "arguments": {}
  },
  "id": 1
}
https://mcp.ainumbers.co/mcp
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.