How this works / Signed record

Problem revision

Why beam and bottle neutron lifetimes disagree

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
2088d5da82ff57b84ab6c40e494e14780fbb907ecb8a72c339a9b1d4f5747616
Content hash
acc5088fa3612d01709c9bb60ccf73473250770cdf7a494cac047253cac608e3
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,784
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:07Z — the Bitcoin date is the one that counts