{
      "tool_id": "art-159-vida-einvoice-en16931-conformance-validator",
      "tool_version": "1.0.0",
      "display_name": "ViDA EN 16931 E-Invoice Conformance Validator",
      "mcp_name": "validate_vida_einvoice_conformance",
      "mandate_type": "compliance_mandate",
      "wave": 29,
      "gpu": false,
      "url": "https://ainumbers.co/chaingraph/art-159-vida-einvoice-en16931-conformance-validator.html",
      "description": "Validate a structured e-invoice against EN 16931-1:2026 mandatory field requirements for ViDA Digital Reporting Requirements. Checks invoice_number, invoice_date, currency_code, seller_name, buyer_name, seller_vat_id, syntax_id, vat_breakdown, and total_with_vat. Returns conformance verdict and missing-field list. Root node of the vida-digital-reporting-requirements chain. Zero network, zero PII. EU 2025/516, mandatory 2030-07-01.",
      "input_schema_ref": "chaingraph/art-159-vida-einvoice-en16931-conformance-validator.html#manifest",
      "consumes": [],
      "feeds": [
        "art-160-vida-drr-transaction-reporter"
      ],
      "status": "live",
      "conformance_fixtures": true,
      "compute_capability": "server",
      "compute_images": [{"system":"sha256-source","image_id":"sha256:03f4ebd802b04ae45993fa918c7bfb974304e19186c9a139961b6cf700258d1d","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": "Am3KOkODMzMyuE7F7VF5COq9UYErRLJxPbmwxhS0vukm4BWOOUuHVdFVqcdbfKkMeVvxSggD9eTICo6bNsIZyiaLK2c/cP0M+bFqMJ9f92KZ98ERs/Pjm5NftXi0QBLZFhRGVkGIorbuRIRX5kJwdtvwx1nxM6Qk/tNnEKzBxiYnjJyDve3cH7ksSAq/uY9g5xrMZ8oXJJuvyIDORN1ijgi5FhtogfUKJRuPJNMJ1GjpXV9FCByGPb7oo8aC0Vr+LZjuBjb6MMYDi2O8Om6rmVD6Vqb11kG2K20jozKjzt4FZ7G9+sUBBlPTzj9yz/RBVLl37fUcB1RNRPOmZsSkGA==",
        "journal": {
          "chaingraph_version": "0.4.0",
          "kernel_digest": "sha256:a9b4c3c4e746812d7ccebd68077f7a101d8104ab76a5793936ab8367b9b531ff",
          "output": {
            "conformant": true,
            "currency_code": "EUR",
            "mandatory_fields_checked": 9,
            "missing_fields": [],
            "syntax_id_valid": true,
            "total_with_vat": 1190,
            "vida_ready": true
          }
        }
      },
      "export_capability": [
        "json",
        "vc"
      ]
    }