How this works / Signed record

Problem revision

Optimal estimate of total dissipation from partial observation

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
20f1ef29280f24501a0a63dd3eecc91137a5f1b533f5efb26f422dc3acb46e3a
Content hash
946ee3fab4cbedcdfb37c500171d24e01e1b777317d4fdd998b84709b7fd467b
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,116
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:11Z — the Bitcoin date is the one that counts