{
  "type": ["DigitalTraceabilityEvent", "VerifiableCredential"],
  "@context": [
    "https://www.w3.org/ns/credentials/v2",
    "https://vocabulary.uncefact.org/untp/0.8.0/context/",
    "https://ref.gs1.org/standards/epcis/2.0.0/epcis-context.jsonld"
  ],
  "id": "https://credentials.sample-refinery.example.com/dte/unpack-conc-2025-0226",
  "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": "2025-02-26T00:00:00Z",
  "validUntil": "2026-02-26T00:00:00Z",
  "name": "Unpacking of Container CTN-2025-0110-01 (Copper Concentrate Batch 2025-Q1-4501) — Sample Smelter",
  "issuingSoftware": {
    "id": "https://sample-software-vendor.example.com/.well-known/untp/software/passport-builder/2026.04.1",
    "name": "Sample Passport Builder",
    "version": "2026.04.1",
    "vendor": {
      "id": "did:web:sample-software-vendor.example.com",
      "name": "Sample Software Vendor Inc"
    }
  },
  "credentialSubject": [
    {
      "type": "AggregationEvent",
      "eventID": "https://sample-refinery.example.com/events/unpack-conc-2025-0226",
      "eventTime": "2025-02-26T00:30:00Z",
      "eventTimeZoneOffset": "+09:00",
      "action": "DELETE",
      "bizStep": "unpacking",
      "readPoint": {
        "id": "https://facility-register.example.com/fac-002"
      },
      "bizLocation": {
        "id": "https://facility-register.example.com/fac-002"
      },
      "parentID": "https://id.sample-mine.example.com/container/CTN-2025-0110-01",
      "childQuantityList": [
        {
          "epcClass": "https://id.sample-mine.example.com/product/cu-conc-2025/batch/2025-Q1-4501",
          "quantity": 30000,
          "uom": "KGM"
        }
      ]
    }
  ]
}