How this works / Signed record

Problem revision

Finite-range corrections to the Efimov scaling factor 22.7

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
4e9bd801bc46e74f5a028789c99f7467401a6def33be30019676f8a6f925fff1
Content hash
93e8b246878c61f3495ccf4aaa3954e01b676da1d28e9c3b3d9b2e2af6da5b0f
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
400
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:53Z — the Bitcoin date is the one that counts