How this works / Signed record

Problem revision

Casimir torque between two solid birefringent plates across vacuum

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
ddcb2b53db85e1b84cd790cf92df97991fad320cdd492f52746005bfb0ad5d86
Content hash
7b44f13622982a90d1f7ee5741cd5a44cc1281e4bc5edb79799145b61bbde3ba
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
378
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:53Z — the Bitcoin date is the one that counts