Due to the diversity of samples that IGSN tries to accommodate, including historic samples with a very limited set of available metadata.

The URL of the landing page of the collection item (resourceURI) is not part of the IGSN metadata kernel, but is transmitted to the IGSN web service as part of the registration process and stored in the handle system. In this way, mismatches between URI stored in the metadata and URI stored in the handle system can be avoided.

ID	Element	A/C	Occ	Definition	Description and instructions
1	sampleNumber		1	The Identifier is a unique string that identifies a resource. At present, the only allowed value is an IGSN handle.	IGSN (International GeoSample Number) registered by an IGSN member. Format should be: “10273/foo”
1.1	identifierType	A	1	The identifier type.	Controlled List: IGSN
2	registrant		1	allocating agent
2.1	registrantName	C	1	The name of the allocating agent.
2.2	nameIdentifier	C	0-1	Identifier of the allocating agent.	Uniquely identifies the allocating agent according to various schemes
2.2.1	nameIdentifierScheme	A	1	The name or URL of the name identifier scheme.	Examples: ORCID, ISNI.
3	relatedResourceIdentifier		0-n	Identifiers of related resources.
3.1	relatedIdentifierType	A	1	The type of related identifier.	controlled list: DOI, Handle, IGSN, LSID, URL, URN
3.2	relationType	A	1	Description of the relationship of the resource being registered (A) and the related resource (B).	controlled list: IsCitedBy (indicates that B includes A in a citation), IsPartOf (indicates A is a portion of B), HasPart (indicated A includes the part B), IsReferencedBy (indicates B is used as a source of information for A), IsDocumentedBy (indicates B is documentation about/explaining A), Documents (indicates A is documentation about/explaining B), isCompiledBy (indicates B is used to compile or create A), Compiles (indicates B is the result of a compile or creation event using A), IsVariantFormOf (indicates A is a variant or different form of B, e.g. calculated or calibrated form or different packaging), IsOriginalFormOf (indicates A is the original form of B)
4	timeStamp		0-n	Different dates relevant to the object.	YYYY or YYYY‐MM‐DD or any other format described in W3CDTF.
4.1	dateType	A	1	The type of date.	Controlled list
5	status		1	Status of the object	Controlled list: registered, superseded, deprecated, lost, destroyed, …

A = Attribute, C = Child

Version 0.2 of 2012-03-20

At present, the only allowed value is an IGSN handle.

Description of the relationship of the resource being registered (A) and the related resource (B).

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