How this works / Signed record

Problem revision

Superheating field of a superconductor under GHz radio-frequency drive

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
9c4d47388adaf85a19469df38e4bc899d0a05ef3e384ae972ca6a103f3323ebd
Content hash
f2315554eb0bbacc75d9526125666a6fba97816219c904c049d273e966095865
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
712
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:56Z — the Bitcoin date is the one that counts
Download proof (bundle) Record as JSON Keys