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
- d8a9ec10e0c8ce1f600a32f6b5e30123082ea38c1e0e558311ba655e08b94674
- Content hash
- fa2f7f6ee880f4f6332f7c64c475f85b9bbb8b855418fdb237c44bc7e5743ebd
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 429
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:17:54Z — the Bitcoin date is the one that counts