How this works / Signed record
Problem revision
This record was signed by PubPhys and added to the public log. Download the record 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
- 64984911a44cb8fcad194909d6c9e8d06d37434587dda0fd6f46ecd710de2016
- Content hash
- 0db5bc6b160d5b23c30de352721753fb941a9733c75f56662b88695b15430b27
- Signed by
- c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da
- Log entry
- 2,450
- Checkpoint
- Size 3,804, logged in Rekor and mirrored
- Bitcoin date
- Block 971,635
- Created (claimed)
- 2026-10-15T23:43:22Z (the Bitcoin date is the one that counts)