--- title: "Tag \"json-ld\" — qr3.app Blog" description: "Tag: json-ld." canonical: "https://qr3.app/en/blog/tag/json-ld/" lang: "en" robots: "index,follow" --- # Tag "json-ld" — qr3.app Blog > Tag: json-ld. Canonical: [← Blog](/en/blog/) Tag # json-ld 3 posts [All 88](/en/blog/) [Regulation 27](/en/blog/category/regulation/)[Industry News 27](/en/blog/category/industry-news/)[Tutorials 18](/en/blog/category/tutorials/)[DPP Practice 9](/en/blog/category/dpp-practice/)[QR Code Tech 4](/en/blog/category/qr-code-tech/)[GS1 Standards 3](/en/blog/category/gs1-standards/) [![JSON-LD for Digital Product Passports (and where EPCIS 2.0 fits)](https://qr3-blog-agent.meistern.workers.dev/cdn/blog/dpp-json-ld-epcis/hero.png) May 30, 2026 6 min read 🤖 Tutorials JSON-LD for Digital Product Passports (and where EPCIS 2.0 fits) A DPP is only useful to machines if it is machine-readable. This guide shows the real JSON-LD a qr3 passport exposes via the live resolver, how one URL serves both humans and machines through content negotiation, and where the complementary EPCIS 2.0 event standard fits. dpp json-ld epcis gs1-digital-link interoperability](/en/blog/dpp-json-ld-epcis/) [![Live demo examples of Digital Product Passports](https://qr3-blog-agent.meistern.workers.dev/cdn/blog/real-dpp-examples-live/hero.png) May 30, 2026 3 min read 🤖 Tutorials Live demo examples of Digital Product Passports These are working demos with fictitious product data and example GTINs from GS1 prefix 952. They do not represent assigned product identifiers, a registry entry or a certification. dpp-examples battery-dpp textile-dpp gs1-digital-link json-ld](/en/blog/real-dpp-examples-live/) [![The GS1 Digital Link Resolver, Explained (with a live example)](https://qr3-blog-agent.meistern.workers.dev/cdn/blog/gs1-digital-link-resolver/hero.png) May 30, 2026 4 min read 🤖 Tutorials The GS1 Digital Link Resolver, Explained (with a live example) A DPP QR code is not a link to a web page — it is a GS1 Digital Link, and the resolver turns one identifier into many context-aware responses. Here is how it works, with a live passport you can curl right now. gs1-digital-link resolver dpp gtin json-ld](/en/blog/gs1-digital-link-resolver/)