How this works / Signed record

Topic

Geodynamo and geomagnetic polarity reversals

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
e13e768be35f03c6e8ec9a4a4d6987bded1527805358b1af395bbdf03b08e310
Content hash
f3eceaeb0e7fff9080ed1fdb9e3b2b8cc2b9f2e7ce80450da4f42230cb114965
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
199
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:51Z — the Bitcoin date is the one that counts