How this works / Signed record

Problem revision

A single-phase room-temperature multiferroic with strong magnetoelectric coupling

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
0e680aca51fd9a8975b25f9fede761b6f8f047a2098feb8a511013e11c28bedb
Content hash
2c6b4d16041950bbab0955de02f34498d62dde30b669f78512f1a1a1b49b06b4
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,105
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:00Z — the Bitcoin date is the one that counts
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