How this works / Signed record

Problem revision

Muonium hyperfine and 1S-2S intervals at improved precision

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
d8a9ec10e0c8ce1f600a32f6b5e30123082ea38c1e0e558311ba655e08b94674
Content hash
fa2f7f6ee880f4f6332f7c64c475f85b9bbb8b855418fdb237c44bc7e5743ebd
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
429
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:54Z — the Bitcoin date is the one that counts