OpenChainGraph Suite · CONTRACT A3 · arch #5

PSR APP Fraud Reimbursement

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.
Reading mode (READINESS-BUILD): These checks can be gathered in any order; the sequence below is for convenience. The workflow-building, fraud-score, and payment-failure steps each score a separate dimension and are combined into one composite mandate; they are not the PSR’s own claim, investigation, and determination timeline.

PSR reimbursement workflow building > fraud-score simulation > payment failure analysis — composite PSR APP fraud reimbursement mandate.

OpenChainGraph · 3 Steps compliance mandate Hash-Anchored §4 chain_depth:3 Client-Side · Zero PII
Chain Topology — Psr Reimbursement Workflow Builder → Fraud Score Simulator → Failure Analyser
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Market Rationale
Buyer: Financial Crime / PSR Compliance Officer at UK bank or payment firm
Forcing function: PSR APP fraud reimbursement mandatory Oct 2024; £415k maximum reimbursement cap
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:

▶ Run this chain in your browser
Chain Stages · 3 Steps
1 ROOT · D0 catalog
Psr Reimbursement Workflow Builder 257-psr-reimbursement-workflow-builder
reimbursement_workflow and eligibility_criteria feed Stage 2 fraud score simulation
↓
2 D2 catalog
Fraud Score Simulator 04-fraud-score-simulator
fraud_score and detection_confidence feed Stage 3 payment failure analyser
↓
3 TERMINAL · D3 catalog
Failure Analyser 20-failure-analyser
failure_analysis and composite_psr_mandate — final PSR APP fraud reimbursement mandate
▶ 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.