6 Papers
17 Citations
Mark Bell is an academic researcher from National Archives and Records Administration. The author has contributed to research in topics: Public trust & Trusted third party. The author has an hindex of 3, co-authored 6 publications.
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Papers
ARCHANGEL: Trusted Archives of Digital Public Documents
John Collomosse,Tu Bui,Alan Brown,John Sheridan,Alex Green,Mark Bell,Jamie Fawcett,Jez Higgins,Olivier Thereaux +8 more
- 28 Aug 2018
TL;DR: Archeangel as mentioned in this paper is a decentralised platform for ensuring the long-term integrity of digital documents stored within public archives, using distributed ledger technology (DLT) to cryptographically guarantee the provenance, immutability and so the integrity of archived documents.
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ARCHANGEL: Tamper-Proofing Video Archives Using Temporal Content Hashes on the Blockchain
Tu Bui,Daniel Cooper,John Collomosse,Mark Bell,Alex Green,John Sheridan,Jez Higgins,Arindra Das,Jared Keller,Olivier Thereaux,Alan Brown +10 more
- 16 Jun 2019
TL;DR: A novel deep network architecture for computing compact temporal content hashes (TCHs) from audio-visual streams with durations of minutes or hours that are sensitive to accidental or malicious content modification but invariant to the codec used to encode the video.
•Posted Content
ARCHANGEL: Tamper-proofing Video Archives using Temporal Content Hashes on the Blockchain
Tu Bui,Daniel Cooper,John Collomosse,Mark Bell,Alex Green,John Sheridan,Jez Higgins,Arindra Das,Jared Keller,Olivier Thereaux,Alan Brown +10 more
TL;DR: Archeangel as discussed by the authors is a distributed ledger based system for assuring the long-term integrity of digital video archives, which is necessary due to the curatorial requirement for archives to format shift video over time to ensure future accessibility.
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Underscoring archival authenticity with blockchain technology
Mark Bell,Alex Green,John Sheridan,John Collomosse,Daniel Cooper,Tu Bui,Olivier Thereaux,Jez Higgins +7 more
TL;DR: The ARCHANGEL project is breaking new ground by using blockchain to record checksums (cryptographic hashes) and other metadata derived from either scanned physical records or born-digital records to allow verification of their integrity over decade- or century-long time spans.
•Posted Content
ARCHANGEL: Trusted Archives of Digital Public Documents
John Collomosse,Tu Bui,Alan Brown,John Sheridan,Alex Green,Mark Bell,Jamie Fawcett,Jez Higgins,Olivier Thereaux +8 more
TL;DR: A decentralised platform for ensuring the long-term integrity of digital documents stored within public archives using distributed ledger technology (DLT) to cryptographically guarantee the provenance, immutability and so the integrity of archived documents.
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