Semantic Units of the PREMIS Data Dictionary
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| Containers | Current | Descendants |
|---|---|---|
| 1 - Object | 1.8 signatureInformation | 1.8.1 signature 1.8.2 signatureInformationExtension |
| Semantic unit | 1.8 signatureInformation |
|---|---|
| Definition | A container for PREMIS-defined and externally-defined digital signature information, used to authenticate the signer of an object and/or the information contained in the object. |
| Applicability | Bitstream, File |
| Obligation | Optional |
| Repeatability | Repeatable |
| Rationale | A repository may have a policy of generating digital signatures for files on ingest, or may have a need to store and later validate incoming digital signatures. |
| Data constraint | Container |