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
- fdf0b2fb8d31232901db71a63462b33c05855b166e89de433ebbf7f4b17a275b
- Content hash
- 2de38c9924075f5e9145127ea733eac0fa615b0310721b31835a06c81eac3c2e
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,233
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:02Z — the Bitcoin date is the one that counts