How this works / Signed record

Topic

Cavitation, bubble collapse and sonoluminescence

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
ce084ca85ea118983bae60657d686bf2b3a2063cc2bba0a728c0b347e11c1da4
Content hash
5df032293356dd4bd86a2c00c5818d4e282c110b799ed4a76454c4024d43bf48
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
213
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