Højlund is a Danish surname. Notable people with the surname include: Arne Højlund, Danish rower Emil Højlund (born 2005), Danish footballer Mie Højlund (born 1997), Danish handball player Nickla
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a788ab383e0faf9fe5f85cba8dafdf2bf0cf8c8c5b296d00d9961e5ab73ed7. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9392c438-4999-4fd5-be57-23385d7d947e.json and https://artists.proofprofile.net/proofs/artist/9392c438-4999-4fd5-be57-23385d7d947e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).