How this works / Signed record

Problem revision

Close-packed ground states of sticky hard spheres

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
495dd9d40f4dbb4d4973451583167084e9b39124885ceb58ead1c73288aa9924
Content hash
2d37fa2c71c8ec5495758987a4e49910846ae0dfab17a7cba636345e4fecbd03
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,611
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:05Z — the Bitcoin date is the one that counts