How this works / Signed record

Topic

Strong CP problem and the QCD axion

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
417555880359201cc195a916f3b947e690164dade4e3ac924d6e5d98d0f88eb7
Content hash
7a234962971fecf15a10edffff7a98f8cf5a7464712aa2f2b613f37e886c2d28
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
251
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:52Z — the Bitcoin date is the one that counts