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
- 803f6c61383951a1e03e0a6e06849793a7e488ac6cf7c0b6df95233710df0a6b
- Content hash
- 5c05c843721eaee72e4f35ea8690b758c9b66ad2631eddb4c54830f4ef591f23
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,573
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:05Z — the Bitcoin date is the one that counts