How this works / Signed record

Problem revision

Why was the quasi-biennial oscillation disrupted in 2016 and 2020?

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
bd349da50730db05ae4a2f9fbf1d244a976a3fa9cbc79fd6244c0eaa6fd354ce
Content hash
bf65adfc357267b5a8298d73089d8ad9764d2c971254a1b060394c0a4b106fea
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,377
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:03Z — the Bitcoin date is the one that counts