1. What is gs1:dpp? Within the link type system of GS1 Digital Link, gs1:dpp is the link type specifically designated to point to a Digital Product Passport (DPP). According to the official definition in the GS1 Web Vocabulary, it is: “A link to a digital product passport.” More specifically, gs1:dpp is the standard link type used to access DPP data under […]
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This article is compiled in accordance with the GS1 Digital Link v1.2 international standard, the national standard GB/T 33993-2024 QR Codes for Commodities, and the ISO/IEC 16022 DataMatrix symbology specification. It distinguishes two encoding formats: conventional GS1 element string DataMatrix and GS1 Digital Link DataMatrix. It fully sorts out URI layering rules, compliance examples, device
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Barcode Knowledge Preface This article is fully compiled in accordance with the GS1 Digital Link v1.2 standard and the national standard GB/T 33993-2024 QR Codes for Commodities. It corrects all compliance defects in previous examples, including GTIN check digits, URI path structures, layered Key-Qualifier rules, and the obsolete /gs1/ prefix. Standard code examples ready for
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Within the GS1 global identification system, while the widely known GTIN (Global Trade Item Number) is used for physical goods identification, GS1 has also established a dedicated Global Service Relation Number (GSRN) framework for service supply chain relationship management. As the core identifier for service provider relationships within the GSRN system, GS1 Application Identifier (AI)
Traditional QR codes on product packaging typically carry only a web URL, limited to consumer engagement use cases and unable to support retail point-of-sale checkout. As a result, brands often print both a 1D barcode for checkout and a separate QR code for interactions — wasting packaging space and adding operational complexity. Dual-Purpose Codes for
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As the industry-wide “Sunrise 2027” initiative — the transition to 2D barcode acceptance at retail point-of-sale — moves toward full implementation, the apparel and general merchandise sector is undergoing a systematic upgrade to its identification infrastructure. Traditional 1D UPC barcodes, which only carry a single Global Trade Item Number (GTIN), can no longer meet the
With the industry-wide “Sunrise 2027” initiative — the transition to 2D barcode acceptance at retail point-of-sale — approaching, 2D barcodes have become a standardized solution for brands to meet both supply chain operational needs and evolving consumer expectations. GS1 US has published this step-by-step guide to help brands navigate the barcode upgrade, from selection and
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