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
- dc88477d480f7f4c962553f3ac022843b6c01d6338c39f4f33a3b8422b19a7c7
- Content hash
- f2ce6f84c0a0deff6f25fe1dffefac77182f687dbd27fa3a8e1c09756362a207
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 474
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Waiting for Bitcoin (usually a few hours)
- Created (claimed)
- 2026-10-03T07:17:54Z — the Bitcoin date is the one that counts