How this works / Signed record

Problem revision

How predictable are large earthquakes beyond clustering statistics?

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
c9d339389266b7015b6f13d616deec3e979817d4c8044eb9a2e60db12e4ef63c
Content hash
3c672965ef6591024c4361f83133754fa00aca2771c6570ebd5507d100163761
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,313
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