Questions that address the challenges of storing data in digital form such that they remain accessible in the future.
Questions tagged [digital-preservation]
5 questions
14
votes
4 answers
Is it possible to create a "Time Capsule" using encryption?
I want to create a digital time capsule which will remain unreadable for some period of time and then become readable. I do not want to rely on any outside service to, for instance, keep the key secret and then reveal it at the required time. Is…
Micah Beck
- 585
- 3
- 10
8
votes
0 answers
Distributed Storage for Access and Preservation
My organization wants to maintain multiple copies of data in order to preserve access in the case of localized disasters as well as for the purpose of long term preservation. Are there accepted formal models for determining the appropriate variety…
Micah Beck
- 585
- 3
- 10
4
votes
1 answer
Requirements for emulation
What are the complete specifications that must be documented in order to ensure the correct execution of a particular program written in Java? For instance, if one were archiving a program for long-term preservation, and no testing or porting would…
Micah Beck
- 585
- 3
- 10
2
votes
0 answers
If 2's complement is the best way to represent numbers in computers, why worry about BCD and other binary codes?
I'm studying Digital Logic and Design. And in the first chapter, there's all this information about various binary codes. I did some searching on youtube and found this awesome video - https://www.youtube.com/watch?v=lKTsv6iVxV4&t=5s.
Now, my…
Sanskar
- 39
- 1
- 5
2
votes
1 answer
Monitoring files in preservation archives
What are efficient and accurate techniques for monitoring the recoverability and integrity of files in very large preservation archives?
In very large archives, the time taken to recompute checksums periodically (scrubbing) is substantial, perhaps…
Micah Beck
- 585
- 3
- 10