Adriaan is the Dutch and Afrikaans spelling of the given name Adrian. Before the 19th century the spelling Adriaen was also common, and people used the spelling interchangeably. People with the given
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9521d14c03e6d411b649c78d7e3d8510e9ac380ae745b71947b09bd864a5622. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f4058bb-05ab-4032-9add-365bb36a769d.json and https://artists.proofprofile.net/proofs/artist/8f4058bb-05ab-4032-9add-365bb36a769d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).