How this works / Signed record

Problem revision

Reproducibility and artifacts in reported cavity rate changes

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
42a86c776025a01a20575a017e02736410c80b86057d25a2025fe85a8c6bf16c
Content hash
509df6c6e14cc4b1e175c580dd28c968de622d6bf9d36d85833dfebcab3d5999
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
851
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:58Z — the Bitcoin date is the one that counts