Global Returnable Asset Identifier (GRAI)

The Global Returnable Asset Identifier (GRAI) is a EAN/UCC standard for uniquely identifying and tracking reusable assets of an organization.  A returnable asset identifier is used to track assets during their use.

GRAI supports encoding 64-bit EPC and 96-bit EPC.

GRAI 64 EPC Field

Description

Filter Value

Used for pre-selection of basic asset types

Company Prefix Index

An index into a table that provides the Company Prefix as well as an indication of the Company Prefix’s length.  An index is assigned to companies that need to use the 64 bit tags, in addition to their existing EAN.UCC Company Prefixes. 

The 64-bit company prefix index table can be found at http://www.onsepc.com.

Asset Type

Number assigned uniquely by the managing entity (the holder of the EAN.UCC Company Prefix) to a particular class of asset

Serial Number

A unique number assigned to an individual object by the managing entity.

Table 5-28: EPC Fields for GRAI 64 EPC Encoding

 

GRAI 96 EPC Field

Description

Filter Value

Used for pre-selection of basic asset types

Company Prefix Length

Length of the EAN.UCC Company Prefix.  The lengths of the EAN.UCC Company Prefixes assigned to companies vary.

GRAI

A unique identifier assigned by the managing entity to a specific returnable asset.

Table 5-29: EPC Fields for GRAI 96 EPC Encoding

 

GRAI 96 Alt EPC Field

Description

Filter Value

Used for pre-selection of basic asset types

Company Prefix

Assigned by the EAN or UCC to a managing entity (a company or an organization)

Asset Type

Number assigned uniquely by the managing entity (the holder of the EAN.UCC Company Prefix) to a particular class of asset

Serial Number

A unique number assigned to an individual object by the managing entity (the holder of the Company Prefix). 

Table 5-30: EPC Fields for GRAI 96 Alt EPC Encoding