How this works / Signed record

Problem revision

Lowest equilibrium emittance reachable in electron storage rings

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
a9bb266f14d9000cb0f87bedef935b4ae9c212c5f10811d7f61372c78d3d3e87
Content hash
ad72ace5297d138367c64043431736fe18acc3ec52ab9f768155687d0e2cb134
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
648
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:56Z — the Bitcoin date is the one that counts