Iron & Steel
Heat-Number Batch Traceability for Metals
Metals have no items, they have heats. The heat number ties analysis to certificate; the challenge is not losing it between the mill and the service centre.
Blog
Supply chain and traceability
Supplier data collection, tier-2/tier-3 transparency, traceability events and data-sharing agreements.
All topicsESPR44Digital Product Passport41Export39Standards33Circularity28Textile28Verification25Integration24Supply Chain20Security19Battery18Retail & E-commerce15SME15Chemicals14Life Cycle Assessment12Recycling & EPR12Data Carriers11Electronics10GS1 Digital Link10Türkiye10Carbon Footprint9Cost & ROI9Market Surveillance9Automotive8CBAM8EU DPP Registry8GDPR8Repairability8Iron & Steel7CSRD / ESRS4Furniture4Packaging4Construction Products3Green Claims3Aluminium2Tyre2Toys1
Articles in this topic 20 articles
Iron & Steel
Heat-Number Batch Traceability for Metals
Metals have no items, they have heats. The heat number ties analysis to certificate; the challenge is not losing it between the mill and the service centre.
Textile
Mapping the Textile Supply Chain from Yarn to Garment
A passport's origin fields want a facility list. How to collect the four tiers, their identifiers and their evidence, step by step.
Textile
DPP for Denim and Jeans Manufacturing
Türkiye is among the world's largest denim producers. We tabulated what each link from gin to laundry gives the passport and which tier it stays in.
Battery
Battery Supply Chain Due Diligence and the Passport
Four raw materials, four pillars: policy, risk management, third-party verification, public reporting. Regulation 2025/1561 moved the date to 18 August 2027; the report enters the passport by 2028.
Textile
Chemical Management in Textiles: ZDHC, MRSL and the DPP
The MRSL restricts inputs, the RSL restricts the finished product. The passport carries both as evidence: substances above threshold, dated certificates, the dye house per style.
Retail & E-commerce
What Retailers Ask Suppliers For
The real pressure arrives before regulation, through the buyer contract. Here is what those requests look like.
Security
Protecting Trade Secrets While Being Transparent
Transparency is not showing everything. It is answering the right question at the right depth.
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.
SME
Where to Start Collecting DPP Data? (A Checklist)
The most-asked question: 'Where do I start?' This checklist lays out the concrete steps for collecting passport data.
Furniture
EUDR: The Deforestation Regulation and Traceability
EUDR pushes traceability down to plot coordinates — which is also infrastructure for a passport's origin fields.
CSRD / ESRS
CSDDD: Supply Chain Due Diligence
The same supply chain map, two different obligations. There is no reason to build it twice.
Supply Chain
Supply-Chain Traceability and the DPP
The hardest part of the passport is often outside your own factory: data from your suppliers. We explain how to build traceability.
SME
Starting a DPP Project With Spreadsheets
A spreadsheet is a collection tool, not a publication tool. Draw the line correctly and it accelerates your first three months.
Supply Chain
Preparing a Bill of Materials for the DPP
A passport's composition fields come straight from the BOM — and most BOMs are far too coarse for the job.
Integration
ERP Integration for the DPP
Some of your data is already in the ERP. The problem is the shape it sits in — and how it maps to what the passport expects.
Supply Chain
DPP Clauses for Supplier Contracts
Data left to goodwill does not arrive. Eight clauses to add to purchase contracts, and the reasoning behind each.
Supply Chain
DPP Data Quality Management
A wrong passport is riskier than an incomplete one. How to build quality control into the process rather than bolting it on.
Supply Chain
Tier-2 and Tier-3 Supplier Transparency
How do you reach the dyer, the spinner, the smelter? The anatomy of deep supply chain transparency.
Supply Chain
Collecting DPP Data From Suppliers
This is the longest item in the project. How to design a process that raises response rates without exhausting suppliers.
Life Cycle Assessment
Primary vs Secondary Data: Which and When?
Measuring is expensive; database averages can be misleading. The rules for striking the right balance.