1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5b240208d33965b52309dd9a6cd48435117cf019380dcbc43c6488029f761c4. Chain 2 (Bitcoin): anchored in block 953636 (2026-06-14T13:03:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3756109d-1ed1-403a-a4e7-feab17af6309.json and https://artists.proofprofile.net/proofs/artist/3756109d-1ed1-403a-a4e7-feab17af6309.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Da Ska' Bli Andre Boller Når Papen Kjem Til Jul