How this works / Signed record

Problem revision

A coarse-grained entropy for self-gravitating matter

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
de32b5c0393b62d3a5f83f8f7e14b996194d39066a85ad5aa66f621f97843354
Content hash
d810c925499a698978b0924535ceb4726a5e55883b3607aaa0b205fbb44bfbd7
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
2,071
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:10Z — the Bitcoin date is the one that counts