How this works / Signed record
Problem revision
This record was signed by PubPhys and added to the public log. Download the proof and check it with the open verifier: it recomputes every fingerprint, checks the PubPhys signature against the published key, finds the entry in the log and checks the Bitcoin date, without relying on this site.
- Record hash
- 342f4fd951f8a4bdefcf438d70f9cfde9937a7dc066b567387fce57d81b782e6
- Content hash
- 9d3b3c73dc5f1d1d219e4274b106e1f441997a18a5227b29db82af1e0af7eac5
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,916
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:09Z — the Bitcoin date is the one that counts