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
- e3b4723b110de842ca62e4b6464074e3a62a731d2edeb4469cca1e9fd49bc445
- Content hash
- 55e3c52dc208d94c55956d21efc74f34be2468b0d80ddad9826f0fd379fce248
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,214
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:18:01Z — the Bitcoin date is the one that counts