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
- 9eb0d15c003029e824ce85bb558f52009c201f759cf9296f98440c8d005caa35
- Content hash
- f5455f5df7c00f2b60a7ff05aa5b9ed226fa97b7b877ec9dbf511a246c2eeb4e
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 587
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:55Z — the Bitcoin date is the one that counts