Standards
What Is UNTP (the UN Transparency Protocol)?
The DPP's global, decentralised cousin — and why it matters in cross-border trade.
Blog
Standards & Technology
The EN 1821x family, identifiers, data carriers, APIs and data models.
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Articles in this topic 23 articles
Standards
What Is UNTP (the UN Transparency Protocol)?
The DPP's global, decentralised cousin — and why it matters in cross-border trade.
Automotive
AAS and the Catena-X Ecosystem
Industry 4.0's digital twin standard has become the carrier of the DPP in automotive.
Supply Chain
Event-Based Traceability With EPCIS 2.0
A passport describes the product; EPCIS describes what happened to it. Together they make traceability real.
Verification
DIDs: Decentralized Identifiers in a DPP
An identity verifiable without a central registration authority. Where it genuinely helps in a passport.
Verification
Verifiable Credentials for the Digital Product Passport
The technology that closes the gap between a declaration and proof. Signed supplier data makes audits far easier.
Integration
What Is JSON-LD, and Why Use It for DPP Data?
The same JSON, but JSON whose meaning machines know. Why linked data pays off in a passport.
Standards
CEN/CENELEC JTC 24 and the M/604 Request
The standards did not appear from nowhere. Knowing who wrote them, under what mandate, shapes your compliance strategy.
Standards
EN 18246: Data Authentication and Integrity
Who guarantees the data in a passport is genuine? This standard defines the signature and integrity layer.
Standards
EN 18223: The Core Data Model and Semantics
This is the base of the standards family: what the words and fields actually mean.
Standards
EN 18222: Passport APIs and Lifecycle
The concrete questions to ask a DPP platform come straight out of this standard.
Standards
EN 18221: Data Storage and Archiving
A passport can outlive your company. The persistence obligation is exactly about that.
Standards
EN 18216: Data Exchange Protocols
The standard that defines how passport data moves on the wire — the first text your integration team should read.
Standards
EN 18219: Unique Identifiers for the DPP
The first decision in a passport: how will you name the product? Five accepted schemes and which one fits you.
Standards
IEC 61406 Identification Links for Machinery
The industrial world's own identifier standard: self-issued, URL-shaped and printable on a nameplate.
GS1 Digital Link
Data Carriers: QR, Data Matrix and NFC/RFID
Access to the passport starts with a carrier. We compare the differences between QR, Data Matrix and NFC — and the right choice.
GS1 Digital Link
DPP with GS1 Digital Link and QR Codes
GS1 Digital Link lets a single QR code route both consumer and machine to the right data. The passport's linking backbone.
Data Carriers
Data Matrix and Direct Part Marking (DPM)
Where labels do not survive, the code goes into the part itself. The rules of DPM from steel to electronics.
Standards
The EN 18219 / 18221 / 18222 Standards Family
The DPP rests not on a single standard but on a complementary family: data model, access, unique identity and interoperability.
Data Carriers
NFC and RFID for the DPP: When Do They Make Sense?
QR is the default carrier, but not always the best one. The three scenarios where NFC and RFID genuinely win.
Data Carriers
DPP QR Codes: Size, Placement and Print Quality
An unreadable QR is a non-existent passport. Practical rules from module size and contrast to placement and durability.
GS1 Digital Link
What Is a DPP Resolver Service?
Your label stays on the product for a decade; your backend does not. A resolver exists to solve exactly that problem.
GS1 Digital Link
What Is a GTIN, and How Do You Get One for a DPP?
The number under your barcode can also be the basis of your DPP identifier. The practical rules for getting GTINs right.
Standards
What Is EN 18220? Data Carrier and Access
EN 18220 defines 'how' the passport is accessed: free, app-free, smartphone-readable. The standard's core principles.