The Bitcoin blockchain isn't just about the Bitcoin cryptocurrency. This blockchain is, above all, a huge, tamper-proof global ledger. Every day, Aristhor inserts into it the fingerprint of the last block of the Aristhor Club blocksthor, which will itself have anchored your own blocksthor.
As a result, all your documents whose fingerprints have been placed in your blocksthor are now themselves durably and tamper-proof timestamped thanks to this anchoring in Bitcoin via Aristhor Club. In the end, there's no transaction, no monetary exchange — just a blockchain, the Bitcoin one, used here solely for decentralized proof purposes.
The verification below confirms the match between the fingerprint and the proof, as well as the status attested by the OpenTimestamps service — which does not query the Bitcoin chain directly. For a verification directly on the Bitcoin blockchain itself, use the section further below [Verify with an external tool] and go to opentimestamps.org
The official OpenTimestamps online tool allows a complete, independent verification directly on the Bitcoin chain itself — nothing is then sent to Aristhor, everything happens between you and OpenTimestamps. However, their tool expects a file representing the fingerprint, not the fingerprint directly in text form.
If this hasn't already been done automatically, enter your SHA-256d fingerprint below and generate this file with the .bin extension expected by their online tool:
Drop the .bin file obtained above and your other .ots proof file into the official OpenTimestamps tool. For reference, other online tools exist that perform the same type of verification.