OpenChainGraph Suite · CONTRACT A3 · arch #5

Real-Time Rail Participation

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.

Score FedNow/RTP participation readiness, check network rules, size intraday credit, and build the AP2 policy mandate.

OpenChainGraph · 4 Steps compliance mandate Hash-Anchored §4 chain_depth:4 Client-Side · Zero PII
Chain Topology — Fednow Participation Readiness Scorer → Rtp Network Participation Checker → Intraday Credit Facility Sizer → Ap2 Rtp Policy Builder
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Chain Stages · 4 Steps
1 ROOT · D0 catalog
Fednow Participation Readiness Scorer 255-fednow-participation-readiness-scorer
readiness_score and gap_items feed T229 RTP network rule check
↓
2 D2 catalog
Rtp Network Participation Checker 229-rtp-network-participation-checker
rule_compliance and membership_flags feed T258 intraday credit sizing
↓
3 D3 catalog
Intraday Credit Facility Sizer 258-intraday-credit-facility-sizer
credit_requirement and peak_exposure feed T259 AP2 policy build
↓
4 TERMINAL · D4 catalog
Ap2 Rtp Policy Builder 259-ap2-rtp-policy-builder
Exports RTP participation 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.