How this works / Signed record

Topic

Limits of quantum-enhanced metrology under noise

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
b95a8ff18c070433c3fe82a6890e1ebb1ad0aa64cad14ab4a8806dfeb3a86077
Content hash
ee41d1c53e5e57c928e99ccd5a81e0f3197f4fb307b51f5433679ff410668b5a
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
19
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:49Z — the Bitcoin date is the one that counts