How this works / Signed record

Problem revision

Tight thermodynamic uncertainty relation for quantum machines

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
ae4ecb85ec476ab2c7477e3c8cb53ccc9cdde05656075fc5faeac679dd015d50
Content hash
2827e8a68469984ec78e1e65c676ea9ce9e7b17c14465ae8240d2617f946a554
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,043
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:10Z — the Bitcoin date is the one that counts