How this works / Signed record

Problem revision

Where is the lower edge of the pair-instability mass gap?

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
521b3dba5c87b53a54fad45acca40c26c5295a657fb630e7f73d388349950319
Content hash
3d4a3aa0e53e259cd4136b762824a03ce5ee6d9221e504603a56acdad01b6165
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
498
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