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 0x25f058ca9f27a7d6e32c0d8201ea3d6cd2424c7312d6105737d6059cd890c609. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7cd876c7-0904-4b3d-bd66-310f159d03ab.json and https://artists.proofprofile.net/proofs/artist/7cd876c7-0904-4b3d-bd66-310f159d03ab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Seventh Wonder Odyssey (Acoustic Medley)