{
      "tool_id": "art-70-cbam-default-value-resolver",
      "tool_version": "1.0.0",
      "display_name": "CBAM Default-Value Resolver",
      "mcp_name": "resolve_cbam_default_value",
      "mandate_type": "compliance_mandate",
      "wave": 16,
      "gpu": false,
      "url": "https://ainumbers.co/chaingraph/art-70-cbam-default-value-resolver.html",
      "description": "Resolves the Commission default embedded-emissions value for a (CN code x country-of-origin) pair, applies the year-dependent markup vs the actual-data path (+10% 2026, +20% 2027, +30% 2028+), and returns the value with provenance citing the CBAM Implementing Regulation.",
      "input_schema_ref": "chaingraph/art-70-cbam-default-value-resolver.html#manifest",
      "consumes": [
        "art-68-carbon-compliance-fit-diagnostic"
      ],
      "feeds": [
        "art-69-cbam-embedded-emissions-calculator"
      ],
      "status": "live",
      "conformance_fixtures": false,
      "compute_capability": "server",
      "compute_images": [{"system":"sha256-source","image_id":"sha256:749508d39ecd4cd00b1a5edd8752b21cd96eabf325052c24702fe3b2124624a0","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": "Ie+RHO5UQ9j6LOmMtBuj7mw+HgQQV4qKlBKCladsPQQFiHf4SY7dU7rd9cmZTfOfQwqk4XEusRqHvgpVngtFiAjJKvR86/ioUpwvAj7H0Uzyt3uzLc9DiVOMQaHWZZT4F3lCHRQgBkaxLmzi7qsKXT2WOv6EdlhdYNckqFj+XDsiM8mv/4t1QsTdRHTrcGsfq99FQ70AfYVMcJP9IsaX/SEMOx5LEOBK5S6er8I0RLlNAeX1wltxco5d0oamZqXzAUQvJMhdi8v/qGDijCJOVr7O3FQBBZ5PTo+xkSMTyVQs5JS1TstCl0H4Dx9WiNDh6o62C0TI+UfPQ9KgE7H4Jw==",
        "journal": {
          "chaingraph_version": "0.4.0",
          "kernel_digest": "sha256:749508d39ecd4cd00b1a5edd8752b21cd96eabf325052c24702fe3b2124624a0",
          "output": {
            "actual_path_recommended": false,
            "cn_code": "",
            "country_of_origin": "CN",
            "default_value_tco2e_per_t": 2.24,
            "effective_default": 2.464,
            "good_category": "iron_steel",
            "markup_pct": 10,
            "note": "DECISION-SUPPORT DRAFT — values are approximate. Verify against the current Commission CBAM Implementing Regulation edition (https://taxation-customs.ec.europa.eu/) before use in any official declaration. Default markup rates: +10% 2026, +20% 2027, +30% 2028+.",
            "provenance": "Default embedded-emission value for iron_steel (CN). Source: CBAM Implementing Regulation, reference_version CBAM-IR-v1.0-2024-Q4. Markup +10% applied for 2026 reporting year per Art 14.",
            "reference_version": "CBAM-IR-v1.0-2024-Q4",
            "reporting_year": 2026
          }
        }
      },
      "export_capability": [
        "pdf",
        "xlsx"
      ]
    }