{
  "type": [
    "DigitalProductPassport",
    "VerifiableCredential"
  ],
  "@context": [
    "https://www.w3.org/ns/credentials/v2",
    "https://vocabulary.uncefact.org/untp/0.7.0/context/"
  ],
  "id": "https://credentials.sample-refinery.example.com/dpp/cu-cathode-2025",
  "issuer": {
    "type": [
      "CredentialIssuer"
    ],
    "id": "did:web:sample-refinery.example.com",
    "name": "Sample Copper Refinery Co. Ltd",
    "issuerAlsoKnownAs": [
      {
        "type": [
          "Party"
        ],
        "id": "https://www.sample-register.example.com/henkorireki-johoto.html?selHouzinNo=REF-001",
        "name": "Sample Copper Refinery Co. Ltd",
        "registeredId": "REF-001",
        "idScheme": {
          "type": [
            "IdentifierScheme"
          ],
          "id": "https://www.sample-register.example.com",
          "name": "Japan Corporate Number (Houjin Bangou)"
        }
      }
    ]
  },
  "validFrom": "2025-03-01T00:00:00Z",
  "validUntil": "2026-03-01T00:00:00Z",
  "name": "Digital Product Passport — LME Grade A Copper Cathode",
  "credentialSubject": {
    "type": [
      "Product"
    ],
    "id": "https://id.sample-refinery.example.com/product/cu-cathode-2025",
    "name": "LME Grade A Copper Cathode",
    "description": "LME Grade A copper cathode (Cu 99.99%) produced by electrolytic refining at Sample Copper Refinery. Each cathode weighs approximately 125 kg and meets London Metal Exchange delivery specifications.",
    "idScheme": {
      "type": [
        "IdentifierScheme"
      ],
      "id": "https://id.sample-refinery.example.com",
      "name": "Sample Product Identifier Scheme"
    },
    "modelNumber": "SR-CU-CATH-9999",
    "batchNumber": "2025-Q1-0812",
    "idGranularity": "model",
    "productCategory": [
      {
        "code": "41521",
        "name": "Unwrought copper",
        "definition": "Copper, unrefined; copper anodes for electrolytic refining; refined copper and copper alloys, unwrought.",
        "schemeId": "https://unstats.un.org/unsd/classifications/Econ/cpc/",
        "schemeName": "UN Central Product Classification (CPC)"
      }
    ],
    "relatedDocument": [
      {
        "linkURL": "https://credentials.sample-cab.example.com/dcc/smelter-002",
        "linkName": "Coppermark Certification — Sample Copper Refinery",
        "mediaType": "application/ld+json",
        "linkType": "https://test.uncefact.org/vocabulary/linkTypes/dcc"
      }
    ],
    "relatedParty": [
      {
        "role": "manufacturer",
        "party": {
          "type": [
            "Party"
          ],
          "id": "did:web:sample-refinery.example.com",
          "name": "Sample Copper Refinery Co. Ltd",
          "registeredId": "REF-001",
          "idScheme": {
            "type": [
              "IdentifierScheme"
            ],
            "id": "https://www.sample-register.example.com",
            "name": "Japan Corporate Number (Houjin Bangou)"
          },
          "registrationCountry": {
            "countryCode": "JP",
            "countryName": "Japan"
          }
        }
      }
    ],
    "producedAtFacility": {
      "type": [
        "Facility"
      ],
      "id": "https://facility-register.example.com/fac-002",
      "name": "Sample Copper Refinery",
      "registeredId": "fac-002",
      "idScheme": {
        "type": [
          "IdentifierScheme"
        ],
        "id": "https://facility-register.example.com",
        "name": "UNTP Sample Facility Register"
      }
    },
    "productionDate": "2025-03-01",
    "countryOfProduction": {
      "countryCode": "JP",
      "countryName": "Japan"
    },
    "dimensions": {
      "weight": {
        "value": 125,
        "unit": "KGM"
      }
    },
    "materialProvenance": [
      {
        "name": "Copper concentrate",
        "originCountry": {
          "countryCode": "ZM",
          "countryName": "Zambia"
        },
        "materialType": {
          "code": "14110",
          "name": "Copper ores and concentrates",
          "definition": "Copper ores and concentrates obtained from mining operations.",
          "schemeId": "https://unstats.un.org/unsd/classifications/Econ/cpc/",
          "schemeName": "UN Central Product Classification (CPC)"
        },
        "massFraction": 0.88,
        "mass": {
          "value": 110,
          "unit": "KGM"
        },
        "recycledMassFraction": 0,
        "hazardous": false
      },
      {
        "name": "Recycled copper scrap",
        "originCountry": {
          "countryCode": "JP",
          "countryName": "Japan"
        },
        "materialType": {
          "code": "41521",
          "name": "Unwrought copper",
          "definition": "Copper, unrefined; copper anodes for electrolytic refining; refined copper and copper alloys, unwrought.",
          "schemeId": "https://unstats.un.org/unsd/classifications/Econ/cpc/",
          "schemeName": "UN Central Product Classification (CPC)"
        },
        "massFraction": 0.12,
        "mass": {
          "value": 15,
          "unit": "KGM"
        },
        "recycledMassFraction": 1,
        "hazardous": false
      }
    ],
    "performanceClaim": [
      {
        "type": [
          "Claim"
        ],
        "id": "https://sample-refinery.example.com/claims/product-carbon-2025",
        "name": "Product Carbon Footprint — Copper Cathode",
        "description": "Cradle-to-gate carbon footprint of copper cathode per tonne produced at Sample smelter.",
        "referenceCriteria": [
          {
            "type": [
              "Criterion"
            ],
            "id": "https://sample-scheme.coppermark.org/criteria/ghg-management/v3",
            "name": "GHG Emissions Management (Coppermark RRA Criterion 26)",
            "conformityTopic": [
              {
                "type": [
                  "ConformityTopic"
                ],
                "id": "https://vocabulary.uncefact.org/conformity-topic/greenhouse-gas-emissions",
                "name": "Greenhouse Gas Emissions",
                "definition": "Assessment of direct and indirect greenhouse gas emissions across scopes 1, 2, and 3, including measurement, reporting, and reduction targets aligned with climate science."
              }
            ]
          }
        ],
        "claimDate": "2025-03-01",
        "claimedPerformance": [
          {
            "metric": {
              "type": [
                "PerformanceMetric"
              ],
              "id": "https://vocabulary.uncefact.org/performance-metric/product-carbon-footprint",
              "name": "Product Carbon Footprint"
            },
            "measure": {
              "value": 3.8,
              "unit": "KGM"
            }
          }
        ],
        "conformityTopic": [
          {
            "type": [
              "ConformityTopic"
            ],
            "id": "https://vocabulary.uncefact.org/conformity-topic/greenhouse-gas-emissions",
            "name": "Greenhouse Gas Emissions",
            "definition": "Assessment of direct and indirect greenhouse gas emissions across scopes 1, 2, and 3, including measurement, reporting, and reduction targets aligned with climate science."
          }
        ]
      },
      {
        "type": [
          "Claim"
        ],
        "id": "https://sample-refinery.example.com/claims/product-recycled-2025",
        "name": "Recycled Content — Copper Cathode",
        "description": "Percentage of recycled copper content in cathode output at Sample smelter.",
        "referenceCriteria": [
          {
            "type": [
              "Criterion"
            ],
            "id": "https://sample-scheme.coppermark.org/criteria/recycled-feedstock/v3",
            "name": "Recycled Feedstock Management (Coppermark RRA Criterion 31)",
            "conformityTopic": [
              {
                "type": [
                  "ConformityTopic"
                ],
                "id": "https://vocabulary.uncefact.org/conformity-topic/recycled-material-integration",
                "name": "Recycled Material Integration",
                "definition": "Incorporation of recycled and reclaimed materials into products and processes, promoting circular material flows and reducing demand for virgin resources."
              }
            ]
          }
        ],
        "claimDate": "2025-03-01",
        "claimedPerformance": [
          {
            "metric": {
              "type": [
                "PerformanceMetric"
              ],
              "id": "https://vocabulary.uncefact.org/performance-metric/recycled-content-percentage",
              "name": "Recycled Content Percentage"
            },
            "measure": {
              "value": 12,
              "unit": "P1"
            }
          }
        ],
        "conformityTopic": [
          {
            "type": [
              "ConformityTopic"
            ],
            "id": "https://vocabulary.uncefact.org/conformity-topic/recycled-material-integration",
            "name": "Recycled Material Integration",
            "definition": "Incorporation of recycled and reclaimed materials into products and processes, promoting circular material flows and reducing demand for virgin resources."
          }
        ]
      }
    ]
  }
}