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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6939bbfb88a9f7646c8f0a29b54fdc7b130473c50ffcae7dc93fb6edd5611e66. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/49bd2abd-e5f9-4d71-8fd6-b5f754db908f.json and https://artists.proofprofile.net/proofs/artist/49bd2abd-e5f9-4d71-8fd6-b5f754db908f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Refrigerador (feat. Al Semola and His Orchestra) [Mono Version]
Let's Stomp with The Rivieras! Unissued 1964 Recordings
The Original Hit Recording - California Sun
California Sun - the Best of the Rivieras
Sixteen Candles / Count Every Star (Mono Version)