How this works / Signed record

Problem revision

Which phases of matter carry an intrinsic sign problem

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
494b3b4a46867e7fcd130a4ba1e211152783c5f51fd08f0d9c721e9a6da663f3
Content hash
adcd02b2117414f88374a6b389c05acfaebacaad945e7c928ad2e7560cf98005
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,155
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:01Z — the Bitcoin date is the one that counts