OpenChainGraph Suite · CONTRACT A3 · arch #5

US Consumer-Banking Compliance

Note (dated 2026-08-04): a chain composes independent computations performed in an analytical order. No step's output is carried into the next step by the execution model; each step computes from its own declared inputs. This is true of every chain on this site, including chains whose per-step copy below reads as a data handoff.

HMDA reportability > BSA/SAR filing adequacy > Reg E dispute timelines > Durbin interchange analysis > consumer-banking compliance mandate.

OpenChainGraph · 4 Steps compliance mandate Hash-Anchored §4 chain_depth:4 Client-Side · Zero PII
Chain Topology — Hmda Reportability Checker → Bsa Sar Filing Adequacy Checker → Reg E Dispute Workflow Builder → Durbin Amendment Interchange Analyzer
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Live Execution

This page is the chain definition (plan). To run the chain step by step in your browser, with each step's kernel executing in-page and a composite hash over the outputs, open the live runner:

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Chain Stages · 4 Steps
1 ROOT · D0 catalog
Hmda Reportability Checker 444-hmda-reportability-checker
reportable_loans and data_gaps feed Stage 2 BSA/SAR check
↓
2 D2 catalog
Bsa Sar Filing Adequacy Checker 445-bsa-sar-filing-adequacy-checker
sar_adequacy_flags feed Stage 3 Reg E workflow
↓
3 D3 catalog
Reg E Dispute Workflow Builder 442-reg-e-dispute-workflow-builder
dispute_timelines feed Stage 4 Durbin analysis
↓
4 TERMINAL · D4 catalog
Durbin Amendment Interchange Analyzer 443-durbin-amendment-interchange-analyzer
Exports consumer-banking compliance Policy Mandate, final stage
▶ Run this chain (live) browser · real execution · composite §4 hash
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.