OpenChainGraph Suite · CONTRACT A3 · arch #5

Treasury Clearing Access Model Selector

W-A. Access-model selection & economics (ART-49) -> SA-CCR/QCCP capital impact (504) -> FICC VaR-margin & netting estimate (ART-50). The flagship Wave-11 decision chain.

OpenChainGraph · 3 Steps risk parameter Hash-Anchored §4 chain_depth:3 Client-Side · Zero PII
Chain Topology — Clearing Access Model Selector → Settlement-Risk Capital Efficiency Optimizer → FICC Margin & Netting Estimator
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Chain Stages · 3 Steps
1 ROOT · D0 node
Clearing Access Model Selector art-49-clearing-access-model-selector
recommended_model + im_estimate_by_model feed the capital optimizer
MCP Call · model_clearing_access_economics
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "model_clearing_access_economics",
    "arguments": {}
  },
  "id": 1
}
2 D2 node
Settlement-Risk Capital Efficiency Optimizer 504-settlement-risk-capital-optimizer
rwa_delta + qccp_capital feed the margin/netting estimate
MCP Call · optimize_settlement_capital
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "optimize_settlement_capital",
    "arguments": {}
  },
  "id": 1
}
3 TERMINAL · D3 node
FICC Margin & Netting Estimator art-50-ficc-margin-netting-estimator
Exports the composite access-model decision -- final stage
MCP Call · estimate_ficc_margin_netting
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "estimate_ficc_margin_netting",
    "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.