How this works / Signed record

Problem revision

Fundamental trade-off between efficiency and beam-breakup instability

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
ee0e65fb72805a0495522bcd9a92e8d19cf58a879e903bdef53c6ce9f44d0999
Content hash
688fe4f85d0969514157052c7054d44320f3e885d542ca2db799aa76775f5101
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,882
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:08Z — the Bitcoin date is the one that counts