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 0xa50d47d991c40f46d1536cf42065dd2524630f9e4a0f1877a0cc29866aae78b0. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4d113662-2845-4132-9598-700922208934.json and https://artists.proofprofile.net/proofs/artist/4d113662-2845-4132-9598-700922208934.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Il caffè italiano: Torino (Italian Lounge Espresso Music)
Jazz Club (Instrumental Jazz Moods and Themes)
Relaxing Instrumental Jazz (Soft music for studying and working)
Corner Jazz Club (The Unmistakable Jazz Groove of)
Relaxing with Jazz and Bossa (Jazzy and Soft Summer Music)
Jazz for a Summer Day (Jazz Lounge Vintage Cafè)
Jazz on the Highway, Vol. 2 (Lounge Jazz for Your Summer Trips)