How this works / Signed record

Problem revision

How humidity and contact history control charge transfer

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
4a315fcc8b21596fd035bca9755b53a72de471154f6742bcd46288d265cc5674
Content hash
fa8cc270c2b7f97428db37b316739db63fc49c39786ed7649d52aed68201c3e8
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
920
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