{
      "tool_id": "art-58-cross-network-settlement-validator",
      "tool_version": "1.0.0",
      "display_name": "Cross-Network Atomic Settlement Validator",
      "mcp_name": "validate_cross_network_settlement",
      "mandate_type": "settlement_mandate",
      "wave": 13,
      "gpu": false,
      "url": "https://ainumbers.co/chaingraph/art-58-cross-network-settlement-validator.html",
      "description": "Validates atomic settlement across two or more networks: cash leg final on the money ledger, asset leg delivered on the asset ledger, FX leg PvP where present. Detects finality mismatch across legs, non-atomic cross-network risk, and PvP gaps per CPMI-IOSCO PFMI Principles 8 + 12. Models BIS Agorá unifying-ledger, ECB Pontes TARGET-link, and DTCC Collateral AppChain coordination patterns. Distinct from Canton single-network DvP.",
      "input_schema_ref": "chaingraph/art-58-cross-network-settlement-validator.html#manifest",
      "deadline": "2026-Q3",
      "deadline_note": "ECB Pontes TARGET-link pilot end-Q3 2026; DTCC Collateral AppChain full production Oct 2026. Verify cross-network coordination patterns against current primary sources.",
      "consumes": [
        "art-56-tokenized-settlement-fit-diagnostic",
        "art-59-settlement-asset-finality-classifier"
      ],
      "feeds": [
        "507-canton-dvp-atomicity-validator",
        "511-multi-currency-pvp-validator",
        "cry-04-merkle-batch-verifier"
      ],
      "status": "live",
      "conformance_fixtures": false,
      "compute_capability": "server",
      "compute_images": [{"system":"sha256-source","image_id":"sha256:3bd0c00f1525794b85021aa94d28caed825ccbf0bae6d32f38092cb2ec96bc8b","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": "HwBHKcwd8dn9vPWWdmCuEuSkZt08biqJZ8Dj3lsPzY0frOoUV1XxqK4r8ViJf4inBZ1dpYBBngrVHrwNi6jSxiHa8DEAYo4WwLJhv34iHm+nCYbrsEBHcvaW2ENHL78tIEoVYwkDLlrLx/EZBoLAIMqfbi8sXelJjJoJhQVVSHAap0ClKec5DWxk5KwpJvabxRgSlZoCtG5Vga9wVXixXiSc6HjJn378ot+wncCs05xqvAebVj9ZhtfN2X/AKUWuHEylwu/K3BZhk4jzysmcagR1rvH4J/AecVVb/9hrzVodSLc6LdEf+h9vINuWDwA1vlX+i+/X9A8JgHqXbDnUOw==",
        "journal": {
          "chaingraph_version": "0.4.0",
          "kernel_digest": "sha256:3bd0c00f1525794b85021aa94d28caed825ccbf0bae6d32f38092cb2ec96bc8b",
          "output": {
            "atomicity_verdict": "at-risk",
            "coordination_recommendation": "Unsynchronised settlement carries open principal risk. Upgrade to HTLC, shared-ledger lock, or notary-signature coordination. Consider BIS Agorá unifying-ledger / ECB Pontes TARGET-link / DTCC Collateral AppChain pattern.",
            "leg_findings": [],
            "note": "Cross-network atomicity and finality-compatibility check per CPMI-IOSCO PFMI Principles 8 + 12. Educational estimator — not a live settlement instruction or legal advice. Verify BIS Agorá / ECB Pontes / DTCC Collateral AppChain coordination mechanics against current primary sources.",
            "pvp_check": "PVP_NOT_REQUIRED",
            "residual_exposure": "open (unsynchronised — one leg may settle while the other fails)",
            "settlement_risk_window_sec": 3000
          }
        }
      },
      "export_capability": [
        "pdf",
        "xlsx",
        "csv"
      ]
    }