core + bib (Bibliographic Extension): terms relating to books and bibliography.

gtin13

Canonical URL: http://schema.org/gtin13

Thing > Property > identifier > gtin13

The GTIN-13 code of the product, or the product to which the offer refers. This is equivalent to 13-digit ISBN codes and EAN UCC-13. Former 12-digit UPC codes can be converted into a GTIN-13 code by simply adding a preceeding zero. See GS1 GTIN Summary for more details.
Values expected to be one of these types
Text
Used on these types
Demand
Offer
Product
Super-properties
identifier

Acknowledgement

This term uses terminology from the GoodRelations Vocabulary for E-Commerce, created by Martin Hepp. GoodRelations is a data model for sharing e-commerce data on the Web. More information about GoodRelations can be found at http://purl.org/goodrelations/.

Schema Version 3.3