How this works / Signed record

Problem revision

Fundamental bound on scintillation timing

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
9109dc573c3c9aee78d134c3e68700a2d25898a12946e47b5c68c1ca587422b6
Content hash
0e0bdc21076860a94c698a215f972145566be4903a1532d27b47de30df8201f3
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,718
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:07Z — the Bitcoin date is the one that counts