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 0x0d54a0c575b3ed0ae48e3e0ddae7389192466edd81390d0c7215e3437ee76d70. 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/7a2c5506-88cf-44c0-b936-30e0dc49c6b5.json and https://artists.proofprofile.net/proofs/artist/7a2c5506-88cf-44c0-b936-30e0dc49c6b5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Come Un Film Sul Muro (Original Motion Picture Soundtrack)
Time to Say Goodbye - Sarah's Intimate Version
Con te partiro (Time to Say Goodbye) [Arr. for String Quartet]
Evening Meditation - Classical Crossover