How this works / Signed record

Problem revision

What controls melting at the base of floating ice shelves?

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
7f5aea1e9cc6257f7770d96d16445bfebf6050730d7aa3b1eca814500d0bfdc3
Content hash
cfc9dc2ff40258df00c102f67bedfa8d8d5a6e6ea63623adbfb50ba367fcebce
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,286
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:02Z — the Bitcoin date is the one that counts