version: 0.5.0

DigitalProductPassport Domain

Data Model

Data Definitions

DigitalProductPassport

The Product Passport is a comprehensive data structure that encapsulates various details pertaining to a product, including its identification details, who issued it, batch information, provenance information, circularity information and a set of verifiable product conformity & sustainability claims.

Property	Definition	Type
@context	A list of JSON-LD context URIs that define the semantic meaning of properties within the credential.	Text
id	A unique identifier (URI) assigned to the product passport. May be a UUID	URI
issuer	The organisation that is the issuer of this VC. Note that the "id" property MUST be a W3C DID. Other identifiers such as tax registration numbers can be listed in the "otherIdentifiers" property.	CredentialIssuer
validFrom	The date and time from which the credential is valid.	DateTime
validUntil	The expiry date (if applicable) of this verifiable credential.	DateTime
credentialSubject	The subject of a digital product passport credential is the identified product.	Product

Product

The ProductInformation class encapsulates detailed information regarding a specific product, including its identification details, manufacturer, and other pertinent details.

Property	Definition	Type
id	The globally unique ID of the product as a URI. Ideally as a resolvable URL according to ISO 18975.	URI
name	The registered name of the product within the identifier scheme.	Text
registeredId	The registration number (alphanumeric) of the entity within the register. Unique within the register.	Text
idScheme	The identifier scheme for this product. Eg a GS1 GTIN or an AU Livestock NLIS, or similar. If self issued then use the party ID of the issuer.	IdentifierScheme
serialNumber	A number or code representing a specific serialised item of the product. Unique within product class.	Text
batchNumber	Identifier of the specific production batch of the product. Unique within the product class.	Text
productImage	Reference information (location, type, name) of an image of the product.	Link
description	A textual description providing details about the product.	Text
productCategory	A code representing the product's class, typically using the UN CPC (United Nations Central Product Classification) https://unstats.un.org/unsd/classifications/Econ/cpc	Classification
furtherInformation	A URL pointing to further human readable information about the product.	Link
producedByParty	The Party entity that manufactured the product.	Identifier
producedAtFacility	The Facility where the product batch was produced / manufactured.	Identifier
dimensions	The physical dimensions of the product. Not every dimension is relevant to every products. For example bulk materials may have weight and volume but not length, with, or height."weight":{"value":10, "unit":"KGM"}	Dimension
productionDate	The ISO 8601 date on which the product batch or individual serialised item was manufactured.	Date
countryOfProduction	The country in which this item was produced / manufactured.	Code
granularityLevel	Code to indicate the granularity of this digital product passport - item level, batch level or product class level.	Code (granularityCode)
dueDiligenceDeclaration	The due diligence declaration that conforms with the regulations of the market into which the product is sold.	Link
materialsProvenance	An array of Provenance objects providing details on the origin and mass fraction of components or ingredients of the product batch.	Material
conformityClaim	An array of claim objects representing various product conformity claims about the product / batch. These can be sustainability claims, circularity claims, or any other claim type within the conformity topic list.	Claim
circularityScorecard	A circularity performance scorecard	CircularityPerformance
emissionsScorecard	An emissions performance scorecard	EmissionsPerformance
traceabilityInformation	An array of traceability events grouped by value chain process. Where actual traceability events are unavailable or carry sensitive information, passport publishers may specify the extent to which the traceability information has been independently verified.	TraceabilityPerformance

Claim

A declaration of conformance with one or more criteria from a specific standard or regulation.

Property	Definition	Type
assessmentDate	The date on which this assessment was made.	Date
declaredValue	The list of specific values measured as part of this assessment (eg tensile strength)	Metric
id	A unique identifier for the declaration. Often this will be an extension of the product.id or attestation.id. But could be a UUID.	URI
referenceStandard	The reference to the standard that defines the specification / criteria	Standard
referenceRegulation	The reference to the regulation that defines the assessment criteria	Regulation
assessmentCriteria	The specification against which the assessment is made.	Criterion
declaredValues	The list of specific values measured as part of this assessment (eg tensile strength)	Metric
conformance	An indicator of whether or not the claim or assesment conforms to the regulatory or standard criteria.	Indicator
conformityTopic	The conformity topic category for this assessment (eg vocabulary.uncefact.org/sustainability/emissions)	Code
conformityEvidence	A URI pointing to the evidence supporting the claim. SHOULD be a URL to a UNTP Digital Conformity Credential (DCC)	SecureLink

TraceabilityPerformance

An array of secure links to TraceabilityEvent objects detailing EPCIS events related to the traceability of the product batch. Events are grouped by value chain process (eg "Weaving" in textiles supply chain).

Property	Definition	Type
valueChainProcess	Human readable name for the industry specific value chain process representing this traceability data set.	Text
verifiedRatio	The proportion (0 to 1) of materials in this value chain process that have been traced using verifiable traceability event.	Numeric
traceabilityEvent	A list of secure links to digital traceability events that support this traceability performance statement. May be encrypted for confidentiality purposes.	SecureLink

CredentialIssuer

From unece.untp-core

The issuer party (person or organisation) of a verifiable credential.

Property	Definition	Type
id	The W3C DID of the issuer - should be a did:web or did:tdw	URI
name	The name of the issuer person or organisation	Text
otherIdentifier	An optional list of other registered identifiers for this credential issuer	Identifier

Identifier

From unece.untp-core

The ID and Name of an identified entity such as a product, facility, party, standard, etc. If the identifier is a W3C DID then the corresponding DID document SHOULD include a serviceEndpoint of type "IdentityResolver". If the identifier is not a W3C DID then the id property SHOULD be an identity resolver URL.

Property	Definition	Type
id	The globally unique ID of the entity as a resolvable URL according to ISO 18975. ExamplesProduct - id.gs1.org/01/09520123456788/21/12345 Party - abr.business.gov.au/ABN/View?abn=90664869327. Facility - did:web:facilities.example-company.com:123.	URI
name	The registered name of the entity within the identifier scheme. Examples: product - EV battery 300Ah, Party - Sample Company Pty Ltd, Facility - Green Acres battery factory	Text
registeredId	The registration number (alphanumeric) of the entity within the register. Unique within the register.	Text
idScheme	The identifier scheme. Examples : Product - id.gs1.org/01, Party - business.gov.au/abn, Facility - did:web:facilities.acme.com.	IdentifierScheme

IdentifierScheme

From unece.untp-core

An identifier registration scheme for products, facilities, or organisations. Typically operated by a state, national or global authority.

Property	Definition	Type
id	The globally unique identifier of the registration scheme. The scheme should be registered and discoverable from vocabulary.uncefact.org/identifierSchemes	URI
name	The name of the identifier scheme.	Text

Link

From unece.untp-core

A structure to provide a URL link plus metadata associated with the link.

Property	Definition	Type
linkURL	The URL of the target resource.	URI
linkName	A display name for the target resource	Text
linkType	The type of the target resource - drawn from a controlled vocabulary	Text

Classification

From unece.untp-core

A classification scheme and code / name representing a category value for a product, entity, or facility.

Property	Definition	Type
id	The globally unique URI representing the specific classifier value	URI
code	classification code within the scheme	Text
name	Name of the classification represented by the code	Text
schemeID	Classification scheme ID	URI
schemeName	The name of the classification scheme	Text

Dimension

From unece.untp-core

Overall (length, width, height) dimensions and weight/volume of an item.

Property	Definition	Type
weight	the weight of the product. EG {"value":10, "unit":"KGM"}	Measure
length	The length of the product or packaging eg {"value":840, "unit":"MMT"}	Measure
width	The width of the product or packaging. eg {"value":150, "unit":"MMT"}	Measure
height	The height of the product or packaging. eg {"value":220, "unit":"MMT"}	Measure
volume	The displacement volume of the product. eg {"value":7.5, "unit":"LTR"}	Measure

Measure

From unece.untp-core

The measure class defines a numeric measured value (eg 10) and a coded unit of measure (eg KG).

Property	Definition	Type
value	The numeric value of the measure	Numeric
unit	Unit of measure drawn from the UNECE Rec20 measure code list.	Code (unitOfMeasure)

Material

From unece.untp-core

The material class encapsulates details about the origin or source of raw materials in a product, including the country of origin and the mass fraction.

Property	Definition	Type
name	Name of this material (eg "Egyptian Cotton")	Text
originCountry	A ISO 3166-1 code representing the country of origin of the component or ingredient.	Code (countryCode)
materialType	The type of this material - as a value drawn from a controlled vocabulary eg from UN Framework Classification for Resources (UNFC).	Classification
massFraction	The mass fraction of the product represented by this material. The sum of all mass fraction values for a given passport should be 1.	Numeric
massAmount	The mass of the material component.	Measure
recycledAmount	Mass fraction of this material that is recycled (eg 50% recycled Lithium)	Numeric
hazardous	Indicates whether this material is hazardous. If true then the materialSafetyInformation property must be present	Indicator
symbol	Based 64 encoded binary used to represent a visual symbol for a given material.	Binary
materialSafetyInformation	Reference to further information about safe handling of this hazardous material (for example a link to a material safety data sheet)	Link

CircularityPerformance

From unece.untp-core

High level circularity information about this product. Note that this does not substitute for detailed product circularity data sheet (PCDS) criteria which would be represented as a self-issued UNTP Digital Conformity Credential as a set of assessments against individual ISO PCDS criteria.

Property	Definition	Type
recyclingInformation	A URI pointing to recycling information for the product.	Link
repairInformation	A URI pointing to repair instructions for this product.	Link
recyclableContent	The fraction of the this product (my mass) that has been designed to be recyclable / re-usable. This will be be the total fraction that can avoid waste / landfill.	Decimal
recycledContent	The fraction (by mass) of recycled / repurposed, repaired content in this product. This will be the total virgin content fraction.	Decimal
utilityFactor	An indicator of durability defined as the lifetime (typically measures as usage cycles) for this product divided by the industry average. For example a battery with a 10,000 cycle lifetime where industry average is 5,000 cycles will have a durability factor of 2. If unknown set to 1 or omit.	Decimal
materialCircularityIndicator	The overall circularity performance indicator for this product. Calculated as 1 - (V+W)/2D where - V = Virgin material proportion by mass (will be 1- recycled content) - W = Waste leakage proportion by mass (will be 1 - recyclableContent) - D = Utility factor (set to 1 if unknown).	Decimal

EmissionsPerformance

From unece.untp-core

Product specific characteristics. This class is an extension point for industry specific product characteristics or performance information such as clothing size or battery capacity.

Property	Definition	Type
carbonFootprint	The carbon footprint of the product in KgCO2e per declared unit.	Decimal
declaredUnit	The unit of product (EA, KGM, LTR, etc) that is the basis for carbon footprint.	Code (unitOfMeasure)
operationalScope	The operational scope of the emissions performance. Only scope 1 & 2, or including upstream scope 3 (cradle to gate) or upstream and downstream scope 3 (cradle to grave).	Code (operationalScopeCode)
primarySourcedRatio	The ratio of emissions data from primary sources (ie from supplier / product specific information rather than secondary / industry averages).	Decimal
reportingStandard	The reporting standard (eg GHG Protocol, IFRS S2, ESRS, etc) against which this product emissions performance is assessed.	Standard

Standard

From unece.untp-core

A standard (eg ISO 14000) that specifies the criteria for conformance.

Property	Definition	Type
id	A unique identifier for the standard (eg https://www.iso.org/standard/60857.html).	URI
name	The name of the standard	Text
issuingParty	The party that issued the standard	Identifier
issueDate	The date when the standard was issued.	Date

Regulation

From unece.untp-core

A regulation (eg EU deforestation regulation) that defines the criteria for assessment.

Property	Definition	Type
id	The globally unique identifier of this regulation.	URI
name	The name of the regulation or act.	Text
jurisdictionCountry	The legal jurisdiction (country) under which the regulation is issued.	Code (countryCode)
administeredBy	the issuing body of the regulation. For example Australian Government Department of Climate Change, Energy, the Environment and Water	Identifier
effectiveDate	the date at which the regulation came into effect.	Date

Criterion

From unece.untp-core

A specific rule or criterion within a standard or regulation. eg a carbon intensity calculation rule within an emissions standard.

Property	Definition	Type
id	A unique identifier for the criterion within the standard or regulation. For example CO2 emissions calculations for liquid fuel combustion.	URI
name	A name that describes this criteria.	Text
thresholdValues	A conformity threshold defined by the specification (eg minimum compressive strength)	Metric

Metric

From unece.untp-core

A specific measure of performance against the criteria that governs the claim. Expressed as an array of metric (ie unit of measure) / value (ie the actual numeric value) pairs.

Property	Definition	Type
metricName	A human readable name for this metric (for example "Tensile strength")	Text
metricValue	A numeric value and unit of measure for this metric. Could be a measured value or a specified threshold. Eg {"value":400, "unit":"MPA"} as tensile strength of structural steel	Measure
score	A score or rank associated with this measured metric.	Text
accuracy	A percentage represented as a numeric between 0 and 1 indicating the rage of accuracy of the claimed value (eg 0.05 means that the actual value is within 5% of the claimed value.)	Numeric

SecureLink

From unece.untp-core

A binary file that is hashed ()for tamper evidence) and optionally encrypted (for confidentiality).

Property	Definition	Type
linkURL	The URL of the target resource.	URI
linkName	A display name for the target resource	Text
linkType	The type of the target resource - drawn from a controlled vocabulary	Text
hashDigest	The hash of the file.	Text
hashMethod	The hashing algorithm used to create the target hash. SHA-265 is the recommended standard	Code (hashMethodCode)
encryptionMethod	The symmetric encryption algorithm used to encrypt the link target. AES is the recommended standard. Decryption keys are expected to be passed out of bounds.	Code (encryptionMethodCode)

Code Tables

countryCode

Country code list.

Code values for this table can be found here:
https://vocabulary.uncefact.org/CountryId

granularityCode

Value	Name	Description
item	serialised item level product passport
batch	production batch level product passport
model	model / class level product passport.

unitOfMeasure

UNECE Recommendation 20 Unit of Measure codelist

Code values for this table can be found here:
https://vocabulary.uncefact.org/UnitMeasureCode

conformityTopicCode

A high level category scheme for product and facility conformity declarations (claims or attestations)

Value	Name	Description
environment.energy	Clean energy	claims supporting clean energy transition
environment.emissions	GHG emissions	claims supporting GHG emissions reduction
environment.water	Water usage	claims supporting minimising water usage impact
environment.waste	Waste reduction	claims supporting waste processing and reduction
environment.deforestation	Deforestation	claims supporting native forest restoration
environment.biodiversity	Biodiversity	claims supporting improved biodiversity outcomes
circularity.content	Circular content	claims supporting the use of recycled content in products
circularity.design	Circular design	claims supporting product design for circularity outcomes
social.labour	Fair work	claims supporting labour rights including fair wages
social.rights	Human rights	claims supporting human rights and anti-discrimination
social.community	Community development	claims supporting local community development
social.safety	Safety	claims supporting process and product safety
governance.ethics	Ethics	claims supporting ethical conduct and corporate governance
governance.compliance	Regulatory compliance	claims supporting regulatory compliance including taxation and community protection
governance.transparency	Transparency	claims supporting transparency and traceability

hashMethodCode

Hash method code list

Value	Name	Description
SHA-256	SHA 256 bit	Secure Hash Algorithm 256 bits
SHA-1	SHA 160 bit	Secure Hash Algorithm 160 bits

encryptionMethodCode

Encryption method code list

Value	Name	Description
none	No encryption	no encryption
AES	AES encrypted	Advanced Encryption Standard (AES)

operationalScopeCode

Code list to indicate scope 3 emissions operational boundaries

Value	Name	Description
None	Excludes scope 3	Scope 1 & 2 only
CradleToGate	Cradle to gate	Includes upstream scope 3 only
CradleToGrave	Cradle to grave	includes full lifecycle (upstream and downstream) scope 3

Imported Domains

• [SchemaOrg] - schemaorg/schema:0.0.1
• [gs1] - gs1/vocabulary:0.0.1
• [untp] - unece/untp-core:0.5.0