Semantic Units of the PREMIS Data Dictionary
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| Containers | Current |
|---|---|
| 1 - Object 1.5 - objectCharacteristics 1.5.2 - fixity | 1.5.2.2 messageDigest |
| Semantic unit | 1.5.2.2 messageDigest |
|---|---|
| Definition | The output of the message digest algorithm. |
| Applicability | Bitstream, File |
| Obligation | Mandatory |
| Repeatability | Not repeatable |
| Rationale | This must be stored so that it can be compared in future fixity checks. |
| Data constraint | None |
| Examples | 7c9b35da4f2ebd436f1cf88e5a39b3a257edf4a22be3c955ac49da2e2107b67a1924419563 7c9b35da4f2ebd436f1cf88e5a39b3a257edf4a22be3c955ac49da2e2107b67a1924419563 |