OpenChainGraph Suite · CONTRACT A3

Model Passport Lifecycle

Model inventory registration > outcome-analysis backtest > validation status determination — a linear SR 26-2 model passport chain. No routing gate: validation_status branching lives inside the final node's own output, not chain-level routing.

OpenChainGraph · 3 Steps compliance control Hash-Anchored §4 chain_depth:3 Client-Side · Zero PII

Chain Topology: Model Inventory Entry → Model Outcome-Analysis → Model Validation Status

§4 Execution Hash · Chain Definition Anchor

execution_hash:computing…

Market Rationale

Buyer: Model Risk Management officer / bank MRM function under SR 26-2 (successor to SR 11-7)

Forcing function: SR 26-2 model inventory and periodic revalidation cadence; ongoing-monitoring backtest requirements; AI/MRM regulatory-flux positioning

Chain Stages · 3 Steps

1 ROOT node

Model Inventory Entry Builder art-450-model-inventory-entry

Model-inventory record with proportionality tier and completeness score. Passes to outcome-analysis backtest.

↓

2 D2 node

Model Outcome-Analysis Comparison art-451-model-outcome-analysis

Predicted-vs-actual outcome backtest with pass/fail status against the declared breach-rate tolerance. Passes to validation-status determination.

↓

3 TERMINAL · D3 node

Model Validation Status Assessor art-453-model-validation-status

Final SR 26-2 validation status, days-since-validation, and next-due-in-days. Final stage.

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.