How this works / Signed record

Problem revision

What is the amplitude of primordial gravitational waves?

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
496179278bb0be0906f8211788f8b13f4d842ba8658904c8f6747a2872d205a5
Content hash
7406df75d0803ddd8edaacf81372bd6093fe5bb182cc73d13373be2b506e9e52
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,263
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:02Z — the Bitcoin date is the one that counts