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
- b0460b1a4a3874a3dc74e099f83ba7351392ca53bfc3795b23a67ade788c04ea
- Content hash
- 81dc2f2fcd889717904e451a1a16693c66d3c7ff18a73b1d93747594bf177798
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,026
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:00Z — the Bitcoin date is the one that counts