How this works / Signed record

Problem revision

Why are UV-bright galaxies at redshift above 10 so abundant?

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
c0a07faf28727906136452d0a90b304fc3a6289ed8170073ee31638baf32b014
Content hash
bfc1d3448b65976f363bfaeb4d01ef3c4b58e200057b2d1ef07358689a651598
Signed by
c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
Log entry
1,229
Checkpoint
Size 2,123, being published
Bitcoin date
Block 969,698
Created (claimed)
2026-10-03T07:18:02Z — the Bitcoin date is the one that counts
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