How this works / Signed record

Problem revision

Certified accuracy of a Hubbard simulator where numerics fail

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
a79b09947933ab00507b5c143462d9cfb9b435af311fe0f99293ca1f836a3dc8
Content hash
64a0fd5c8f2a879684bbe34264c484a471082f05c58e926889f06182f68bc236
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
462
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