OpenTimestamps
From Reboil
OpenTimestamps is a FOSS timestamping protocol that was created by Peter Todd to prove the existence of files by creating a Merkle branch from each file to the most recent block in the Bitcoin blockchain.
Stats
- Website: https://opentimestamps.org/
- Maintainer: Peter Todd
- Project start: 2012-10-04[1]
Usage
These notes assumes use of version 0.7.0 of ots.
For more detailed notes, see OpenTimestamps notes
Timestamp a file
Simply timestamp a file.
$ ots s foo.txt
Timestamp a file and upgrade after 12 hours.
$ file="foo.txt"; ots s "$file" && sleep $((12*3600)) && ots u "$file";
Verify a timestamp
Verify a timestamp (requires a local Bitcoin Core node; see JSON RPC notes below if the node is on another machine).
$ ots v foo.txt.ots
History
- 2012-10-04: First git commit by Peter Todd of the
opentimestamps-clientrepository.[1]
Baltakatei history
See also
External links
References
- ↑ 1.0 1.1 Todd, Peter. (2012-10-04). “Initial commit”. github.com. Accessed 2023-07-03. ID:
7b94d37a71a236227c443e0f46e885101401020c.
