Preservation aware fixity in digital preservation
US8046337B2 · kind B2 · utility
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5References
15Claims
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Key dates
| Filing date | Oct 15, 2008 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Dec 14, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/956
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer based method for the preservation of a digital information in a data set includes receiving a data set to be preserved, the data set including a plurality of preservation objects; creating a fixity table, the fixity table including one or more data types corresponding to preservation data types contained in the preservation objects, each data type being assigned an importance rank and one or more fixity function; for each preservation object, creating a Merkle tree corresponding to the preservation object and based on the fixity table.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.