{
      "name": "arc-partner-onboarding",
      "domain": "Digital-Asset Rails",
      "title": "Arc Partner Stablecoin Onboarding & Conformance",
      "description": "Score a non-USD issuer readiness to join Circle Partner Stablecoins on Arc against technical/operational, reserve-management, and risk-management standards. Arc fit diagnostic (art-42) → partner-stablecoin eligibility scorer with A–F grade and gap list (art-110) → xReserve reserve-composition lint (art-45) → MiCA reserve stress for the non-USD EMT (rca-02). Optional Ed25519 §16 proof binds the conformance attestation to a key.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/arc-partner-onboarding.html",
      "steps": [
        {
          "tool_id": "art-42-arc-fit-diagnostic",
          "handoff": "Arc fit dimension scores feed Stage 2 partner eligibility scoring"
        },
        {
          "tool_id": "art-110-arc-partner-stablecoin-onboarding",
          "handoff": "tech/reserve/risk scores and gaps feed Stage 3 reserve lint"
        },
        {
          "tool_id": "art-45-arc-xreserve-linter",
          "handoff": "reserve composition verdict feeds Stage 4 MiCA stress"
        },
        {
          "tool_id": "rca-02-mica-reserve-stress",
          "handoff": "Exports composite partner-onboarding artifact with execution_hash — final stage"
        }
      ]
    }