{
      "tool_id": "art-03-x402-settlement-modeler",
      "tool_version": "1.0.0",
      "display_name": "x402 Settlement Cost & Finality Modeler",
      "mcp_name": "model_x402_settlement",
      "mandate_type": "settlement_mandate",
      "wave": 2,
      "gpu": false,
      "url": "https://ainumbers.co/chaingraph/art-03-x402-settlement-modeler.html",
      "description": "Rail-selection and finality recommendation across x402 (HTTP 402), Stripe USDC, card, ACH, and SWIFT. Per-transaction cost, eligibility scoring, micropayment support, cross-border flags. ~69k active agents / 165M+ x402 txns (2026).",
      "input_schema_ref": "chaingraph/art-03-x402-settlement-modeler.html#manifest",
      "deadline": null,
      "deadline_note": "x402 live on Coinbase CDP; Stripe USDC on Base",
      "consumes": [
        "art-01-ap2-mandate-chain-validator"
      ],
      "feeds": [
        "cry-04-merkle-batch-verifier",
        "ptg-01-ap2-prompt-template-generator"
      ],
      "status": "live",
      "conformance_fixtures": false,
      "semantic_profile": "iso20022:pacs.008-subset",
      "compute_capability": "server",
      "compute_images": [{"system":"sha256-source","image_id":"sha256:5d693ae08f52fbf0719d500857977fff760b19d533358ae2f5edd6693854de81","valid_from":"2026-07-10"},{"system":"risc0","image_id":"sha256:a1a0bc89b5b1febaeda3519f6dbade0fa5ac16beeb143c4e1b01689573567bc6","valid_from":"2026-06-28"}],
      "compute_proof": {
        "type": "ZkVmReceipt",
        "system": "risc0",
        "receiptFormat": "groth16-bn254",
        "imageId": "sha256:a1a0bc89b5b1febaeda3519f6dbade0fa5ac16beeb143c4e1b01689573567bc6",
        "seal": "L6YsxLKt321nye3nSeOQRcZ0OpC/29IbaLKXdj83dWsKIQCUkeCuKEl/veZMqI0UdbDqYm1aDJZeAJANYIPlVgDcmf/ZZKjACxVANU+udhiyz7/arudpCJy5Cswqu7qhCwI4auwYZr1O/yKINGogaSHmHmBduBXnjMktVm/oQCcjXLNFB7XysKHKK2qu0XCoABDXoBWzzTPyLYGbnPyWLRzmfxDbMaG/dv96CAI0O9DeJVYogf303wjx/ifrXBEuBkiOctyanAhZdcXcs1w1H0EQMvw1kLVoc9t/dW6LzEIfKyFvHLFiWqj4YUFvVrNoHdHmjT13jlPB28N1s8G9hA==",
        "journal": {
          "chaingraph_version": "0.4.0",
          "kernel_digest": "sha256:5d693ae08f52fbf0719d500857977fff760b19d533358ae2f5edd6693854de81",
          "output": {
            "eligible_rails": [
              "x402"
            ],
            "finality_sec": 2,
            "monthly_cost_usd": 1,
            "per_tx_fee_usd": 0.0001,
            "recommended_rail": "x402"
          }
        }
      },
      "export_capability": [
        "xlsx",
        "csv",
        "pdf",
        "xbrl:ocg-ext"
      ]
    }