[Moims-dai] Extra slide for Vint
garrett at his.com
Sat Apr 2 05:25:46 UTC 2016
Yes, that seems right.
Interesting that in some senses all digital copies are originals.
In paper based resources, when there are multiple sources, researchers try
to determine which is the original and study source and timelines of changes
through others. If enough appropriate provenance information is included
with the digital items.
I imagine for some digital item a number of different preservation
strategies will be applied or there will be many different curators
performing the preservation. But I suspect the vast majority of digital
items will only have a single preservation stream. In that case, a single
approach will likely be used and even if there are multiple copies in
multiple locations they should have identical fixity to ensure that each
copy where the fixity matches is an authentic copy.
Wishing you prosperity and peace,
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[mailto:moims-dai-bounces at mailman.ccsds.org] On Behalf Of Brent Kimberley
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Subject: RE: [Moims-dai] Extra slide for Vint
I could be wrong, but here is how I mapped the terms.
"digital vellum" a specific instance of a given "digital snapshot". (i.e.
As in: copy <m> of <n> of a digital snapshot of <X>, taken at point-in-time
<n> "digital vellum" (copies) of the snapshot were created.
Over the course of time
Each of the <n> "digital vellum" are mobile.
Each "digital vellum" undergo arbitrary processes such as
Cloning, combination, filtering, transposition, aggregation, voting,
concatenation, repetition, fragmentation, slicing/dicing, aging, scrambling,
"manuscripts" would be the information sources from which one or more
historians at some future time <T'> have to make inferences regarding the
origin "digital snapshot".
A diversity of snapshot integrity schemes would be employed to assure
manuscript message integrity.
Different historians would discover different subsets of the snapshot
From: VP Administration [mailto:Longstreth at acm.org]
Sent: Friday, April 01, 2016 3:01 PM
To: MOIMS-Data Archive Ingestion; 'david at giaretta.org'
Subject: Re: [Moims-dai] Extra slide for Vint
>From Vint's speech at AAAS annual meeting 2015:
"We're going to have to build into our thinking the concept of preservation
writ large," Cerf added.
One possible solution was what he called "digital vellum", a concept now
being explored by computer scientists at Carnegie Mellon University in
This involved taking a digital "snapshot" at the time an item is stored of
all the processes needed to reproduce it at a later date, including the
software and operating system.
The snapshot could then be used to reproduce the game, picture file or
spread sheet, on a "modern" computer, perhaps centuries from now.
"Some people make the argument that the important stuff will be copied and
put into new media and so why should we worry," said Cerf. "But ...
historians will tell you that sometimes documents and transactions images
and so on may turn out to have an importance which is not understood for
hundreds of years. So failure to preserve them will cause us to lose our
Brent Kimberley wrote:
I'm not sure if I'm asking this question at the right level; nevertheless,
can we assure information preservation in the face of arbitrarily symbol
I suspect the answer yes; however ,it may implicitly require the use of
multiple manuscripts, historians, and/or textual criticism.
From: David Giaretta [mailto:david at giaretta.org]
Sent: Friday, April 01, 2016 1:58 PM
To: 'MOIMS DAI List'
Subject: [Moims-dai] Extra slide for Vint
As discussed - need to check the words.
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