Examples
Worked examples
- Is an instance
{E8E2C0A0-D6BA-11D1-9CDD-0080C7E7B6D8} (a Microsoft-style GUID literal).
- Is an instance
A repository internally minting GUIDs for objects and later assigning DOIs as the public-facing PID.
Counter-examples
Looks similar, but isn't
- Not an instance
A monotonically-increasing integer primary key in one database is not a GUID.
- Not an instance
A short user-chosen URL slug is not a GUID.
Editorial commentary
GUID is a term originating in Microsoft software platforms but widely used as a synonym for UUID. In research-information contexts ‘GUID’ also occurs informally for any opaque global identifier including handles, DOIs, ORCID iDs, and proprietary identifiers issued by repositories. Unlike a UUID (which has a defined ISO/IETF specification), ‘GUID’ has no single normative definition; the literal Microsoft GUID is structurally identical to a Variant-2 UUID.
References
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Also known as
Globally Unique Identifier
Machine-readable encodings
Use in your systems
<role vocab="credit"
vocab-identifier="https://casrai.org/dictionary/"
vocab-term="GUID"
vocab-term-identifier="https://casrai.org/dictionary/term/guid" />{
"@context": "https://schema.org",
"@type": "DefinedTerm",
"name": "GUID",
"identifier": "https://casrai.org/dictionary/term/guid",
"description": "Globally Unique Identifier, a generic term for an identifier that is intended to be unique across all systems and time, most commonly implemented as a 128-bit UUID but used informally for any opaque, globally scoped identifier.",
"inDefinedTermSet": "https://casrai.org/dictionary/domain/the-persistent-identifier-ecosystem/",
"url": "https://casrai.org/dictionary/term/guid",
"sameAs": [
"Globally Unique Identifier"
],
"license": "https://creativecommons.org/licenses/by/4.0/"
}
