How this works / Signed record

Problem revision

Are the rings in protoplanetary disks carved by planets?

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
b3b9d232f12512765ad22458c5f17e9669bc02600931f4b0dde291adaae37f0e
Content hash
722dc5070dd80bbb479a5f17b5ed0e3342465831a6c7170ee3119094767228f3
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
581
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:55Z — the Bitcoin date is the one that counts