How this works / Signed record

Problem revision

Can calorimeters detect single optical phonons with low 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
e0f309a65d83f23efd1242f6a4e4fd2f6025683cb46e0c1bc8610eae28a088ab
Content hash
2956a44869a19de068775222f18643f320209e8b33b0e2c023c6a8f9fded5e5f
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,590
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:05Z — the Bitcoin date is the one that counts