How this works / Signed record

Topic

Quantum PCP and Hamiltonian complexity

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
14e3082cf422607e299e3fd37b22598ee6075130731880be56919fb2cecab4a9
Content hash
1c271f7d485587ec5325a30ec890247c7457c8f7fe22102f63aa6b6f939567ac
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
335
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:52Z — the Bitcoin date is the one that counts