How this works / Signed record

Problem revision

Physical trigger of the L-H transition

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
c062acf8f46ff5531261ef4e58c7d1b7c756b77f6472a3e066b06c09f02d0ee1
Content hash
5526f7fc23783aabe8bc758f014a29b997228ce797a2a65b36140c3bbec08c48
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,876
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:08Z — the Bitcoin date is the one that counts