How this works / Signed record

Topic

Sub-Neptunes, super-Earths and the radius valley

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
29eecacca9d688759063e837d47b7481ed1a91ff74dcb512159e65510cf6039a
Content hash
678256ada1019fda010ebdba3b6ce94c1bceadec66011e945a6d8042a7443d1d
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
50
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:17:50Z — the Bitcoin date is the one that counts