How this works / Signed record

Problem revision

Matter-wave interference with particles above one million atomic mass units

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
e050ab4f450f8b3fd920d0c31c2397fe3e337b18fa40f3342198e79b07cd5dbd
Content hash
901ce7c9bd67fbf642cd058423334558769e79085be5e2be1d92ea707afd0d30
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,012
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:10Z — the Bitcoin date is the one that counts
Download proof (bundle) Record as JSON Keys