# Learn with Closient — GS1, EPCIS, Digital Link, Sustainability

Learn about GS1 standards, EPCIS, Digital Link resolvers, sustainability, and the Digital Product Passport. Educational resources from Closient.

# Learn with Closient

Everything you need to understand GS1 standards, supply chain visibility, and the future of product identity.

## Topics

### 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

Understand the event-based standard for supply chain visibility — event types, dimensions, and JSON-LD format.

### GS1 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.

### Deleting Your Organization

What actually happens to your data when you delete an organization — a reversible 90-day process, what's kept for compliance, and how to restore.

## Deep Dives

In-depth guides on specific standards and regulations from the Closient Resolver knowledge base.

### GS1 Digital Link

How GS1 Digital Link transforms traditional barcodes into web-enabled identifiers that connect physical products to digital experiences.

### Sunrise 2027

The global deadline for retailers to accept 2D barcodes at point-of-sale. Learn what it means for your business.

### Digital Product Passport

How the EU Digital Product Passport regulation will change product transparency and what it means for manufacturers.

### FSMA 204

FDA food traceability requirements under the Food Safety Modernization Act Section 204 and how to prepare.