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 0xd94ca9ff2efdc264838336984e54775ea535b36a8b2cf7c97e58941c5055e0ce. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38ae021f-b993-426c-99b4-935c90c33eb4.json and https://artists.proofprofile.net/proofs/artist/38ae021f-b993-426c-99b4-935c90c33eb4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Arturo Tallini Zorongo: Omaggio a García Lorca
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Canciones Populares Españolas: Los Pelegrinitos
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Women in Jazz (The Best Female Voices in Jazz)
Jazz Festival, Vol. 2 (The Most Beautiful Jazz Essentials for a Chillin' Summer Night)
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