DPP · Methodology
DPP methodology: from 67 accepted data points to 236 in UNTP.
Symolem's Four I's framework and the evidence-based benchmark behind ESPR-ready Digital Product Passports.
20 minutes on your products and the rules that apply to them.Led by Lavinia Fernandes, a UN/CEFACT UNTP Supply Chain Working Group member.
The 67-to-236 passport benchmark.
The passport sample the EU DPP Registry accepted on 20 July 2026 carried 67 data points. A UNTP-conformant passport can carry up to 236, and the rules will tell us which of those become mandatory for textiles.
We use that evidence-based range to turn an abstract obligation into a measurable inventory of what you have, what you are missing and what each gap will take to close. Symolem prepares your product data and audits your evidence against global requirements, starting with the EU ESPR, so it is ready for any UNTP-conformant passport provider.
The Four I's framework.
We assess Digital Product Passport readiness through four lenses: Identity, Integrity, Intelligence and Impact. Each addresses a distinct question a passport must answer.
Identity: Is the product uniquely and persistently identified? Unique identifiers, data carriers and the links between physical product and digital record.
Integrity: Can the data be trusted? Evidence, verification, chain of custody and the audit trail behind every claim.
Intelligence: Does the data work for the business? Turning passport fields into insight for sourcing, compliance and commercial decisions.
Impact: Does it measure what matters? Environmental and social outcomes, accounted for through defensible MRV rather than estimation.
Identity and Integrity are assessed against open standards, including UNTP, so passports remain interoperable across systems and borders. Together the Four I's provide a complete, repeatable way to evaluate a passport, a provider or an entire product line.
Verification approach.
Methodology is only credible if it can be verified. We design the passport benchmark and framework so that each data point and assessment is traceable and auditable, built for independent scrutiny rather than internal reassurance.
Further reading
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Let's talk about your DPP readiness.
Speak with Symolem about applying our evidence-based passport methodology to your products.
Led by Lavinia Fernandes, a UN/CEFACT UNTP Supply Chain Working Group member.
Digital Product Passports
Where to go next
Plain-English pages on the rules that apply to you, the evidence you need, and the people who do the work.
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