How this works / Signed record

Problem revision

Heisenberg scaling with error correction under imperfect control

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
f3f90d8889271c0d125a9750078d47265142f8ffad9a30cc3a23d332e411b249
Content hash
1861ec14602907ec7ba3fa9e136dee12153259380e657fd98ab35796c4bef1cf
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
436
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:54Z — the Bitcoin date is the one that counts