How this works / Signed record

Problem revision

Why is Saturn's magnetic field almost perfectly symmetric about its spin axis?

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
31261d32a2a6064320a912d9180e5ba5a833fa857e41311c8b2710438a3ad1ee
Content hash
fb8300e615b1031e7c27a345dbdc797521f1a0178185602cc937c675adfb712f
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,358
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