How this works / Signed record

Topic

Origin of the Moon and of Earth's water

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
2c5f38711046508a948faca95664ccbcabc745d5947f380901ca76f3f292f063
Content hash
f760051ec4ab2064d65397780bc6256ba242a84c15dc39e608fe62d35f5bd291
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
197
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