Which scheme will you use for the identifier and URL?

Own scheme on company domain

Addresses on your company domain, with a scheme you define.

Self-issued / EN IEC 61406

Identification link under IEC 61406: a unique, stable web address on the manufacturer's domain.
E.g. https://id.company.com/MOD123/SN000123

ISO/IEC 15459 (ASC MH10)

Unique identifier under ISO/IEC 15459, with ASC MH10 data identifiers (e.g. 1P = part number), resolved by a web resolver.
E.g. https://resolver.org/1P/PART1234/S

Decentralized Identifiers (DID)

Decentralized identifiers (W3C standard) verifiable without a central authority.
E.g. did:web:id.company.com:products:MOD123

DOI (Digital Object Identifier)

Persistent identifier, born for publications and data, resolved through doi.org.
E.g. https://doi.org/10.1234/company.mod123

GS1 Digital Link

Standard that encodes the product code (GTIN) in a web address readable from a QR code.
https://id.brand.com/01/0401234567

I don't know

You haven't chosen a scheme yet: the results will tell you.

• From QR Codes to Unique URLs: How to Implement the EN 18219 Standard for the Digital Passport

  The article provides a comprehensive overview of the European standard EN 18219:2026, developed by the CEN/CLC/JTC 24 committee to regulate the creation of unique identifiers for the Digital Product Passport (DPP) in accordance with the EU ESPR regulation. It explains how these must be structured.

This question is part of Design your DPP: answer them all to get the blueprint, the score and the recommended next steps.