Guides to GS1 Digital Link, 2D barcodes and traceability
Foundations & Guides
GS1 Glossary
Key GS1 terms and definitions — from GTIN and GLN to EPCIS and Data Matrix. A quick reference for supply chain professionals.
EPCIS 2.0
The event-based standard for supply chain visibility — event types, dimensions, and the JSON-LD format.
Digital Link Resolver
How resolvers turn product identifiers into actionable web resources — URI structure, link types, and Linkset format.
Sustainability & DPP
The EU Digital Product Passport, regulatory timelines, and how digital identity supports circular-economy goals.
Certification Management
How to track, renew, and display product certifications — USDA Organic, Non-GMO, Kosher, Gluten-Free, and more.
Sunrise 2027 for Wholesalers
What the 2D barcode transition means for distributors and wholesalers, and how to get your catalog ready.
Deleting Your Organization
What actually happens to your data when you delete — a reversible 90-day process, with what's kept for compliance and how to restore.
QR Code Guides
Standards & Technologies
2D Barcodes
Understand the difference between traditional 1D barcodes and modern 2D codes like QR codes and Data Matrix.
Sunrise 2027
The global deadline for retailers to accept 2D barcodes at point-of-sale. Learn what it means for your business.
Compliance & Regulations
Digital Product Passport
The EU's Digital Product Passport initiative requires comprehensive product data. Discover how GS1 Digital Link makes compliance easier.
FSMA 204
The FDA's Food Safety Modernization Act requires enhanced traceability for high-risk foods. Learn how to stay compliant.
Platform & Solutions
Why Closient?
See how Closient's resolver rules route scans by language, country, time, and product status — and how traceability is built in.
Learn More
Additional resources and information about Closient and the future of product identification.