GDTI
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The GS1 key dedicated to identifying documents.
Definition
The GDTI is made of the GS1 Company Prefix, a document type reference and a check digit, optionally followed by a serial component that makes each instance unique. It is carried by AI (253) in barcodes and messages.
Origin
Defined as a GS1 identification key in the GS1 General Specifications, maintained by GS1 AISBL.
Example in context
(253) 4012345987651 + serial component → identifies a specific warranty certificate issued by the company.
Related terms
- GS1 Company Prefix — prefix the GDTI is built on.
- GS1 GRAI — GS1 key for returnable assets.