How this works / Signed record

Topic

Supermassive black hole binaries and the nanohertz background

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
f9d7d39a2b73b71329d173a2c750a3256b1c03b685945ce091c4d937dee9943c
Content hash
8f6d3abdddb98a7de93c8f3acd81c9693676300054246a2413bee74201bc00f9
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
51
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:50Z — the Bitcoin date is the one that counts