How this works / Signed record

Problem revision

Millisecond magnetar or accreting black hole as GRB engine?

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
80a9eb0c6f00c33e686d5766a1873762a0a09545469c2342649d3c3a08342879
Content hash
a204860d168c3a94d2f670ee5fd57c9d42bd3c7b74f6885eac27e72bf9a33edf
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
544
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