1.1. Primary identifier

Required	Repeatable
Yes	No

Definition: A DataCite DOI is required. This is a globally unique and resolvable persistent identifier assigned to the data asset.

Metadata fields:

Example DataCite XML

<identifier identifierType="DOI">10.1080/15588742.2015.1017687</identifier>

DataCite 1 Identifier

Occurrences: 1

Input Type Text

Example Input 10.1080/15588742.2015.1017687

Controlled vocabulary source Nil

Notes:

1.a identifierType

DataCite 1.a Identifier Type

Occurrences: 1

Input Type Text

Example Input MUST be “DOI”

Controlled vocabulary source DataCite

Notes: