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
- 74b124a0b9df166156add1c6e91be25923908eef4489a333c39ec999f567e4ef
- Content hash
- 783c8e920b15ff0c0816ae0a52a8e974f2bfe596c07326a1b1d1f0837a5c0477
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 1,867
- Checkpoint
- Size 2,123, being published
- Bitcoin date
- Block 969,698
- Created (claimed)
- 2026-10-03T07:18:08Z — the Bitcoin date is the one that counts