OpenChainGraph Suite · CONTRACT A3 · arch #5

B2B Payments & AP Automation

Invoice-to-payment orchestration > AP automation savings > supplier payment terms optimisation > orchestration vendor scorecard > ERP payment integration scoring — composite B2B AP automation mandate.

OpenChainGraph · 5 Steps payment mandate Hash-Anchored §4 chain_depth:5 Client-Side · Zero PII
Chain Topology — Invoice To Payment Orchestrator → Ap Automation Savings Calculator → Supplier Payment Terms Optimiser → Payment Orchestration Vendor Scorecard → Erp Payment Integration Scorer
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Market Rationale
Buyer: CFO / Head of Treasury at mid-to-large corporate or ERP vendor
Forcing function: e-invoicing mandates EU/VIDA 2028; PSD3 corporate payment rails; working capital cycle pressure
Chain Stages · 5 Steps
1 ROOT · D0 catalog
Invoice To Payment Orchestrator 132-invoice-to-payment-orchestrator
invoice_workflow and payment_orchestration feed Stage 2 AP automation savings
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2 D2 catalog
Ap Automation Savings Calculator 134-ap-automation-savings-calculator
automation_savings and process_gaps feed Stage 3 supplier payment terms optimiser
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3 D3 catalog
Supplier Payment Terms Optimiser 135-supplier-payment-terms-optimiser
optimal_terms and DPO_improvement feed Stage 4 orchestration vendor scorecard
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4 D4 catalog
Payment Orchestration Vendor Scorecard 137-payment-orchestration-vendor-scorecard
vendor_scores and selection_criteria feed Stage 5 ERP integration scoring
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5 TERMINAL · D5 catalog
Erp Payment Integration Scorer 139-erp-payment-integration-scorer
erp_integration_score and composite_ap_mandate — final B2B AP automation mandate
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.