How this works / Signed record

Problem revision

What are the compact red sources (little red dots) found by JWST?

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
caa7a750203c3d752d05b3a6ff5d92e4d0c768461296fbe5599fad0ba21d2cb2
Content hash
3485145a8a7d753237a0eaea19a5b63b57659b2d8dba5c3be0aa922f1bc0fd7e
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
530
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