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 0xf2dd10d8a699e3465e8f6ca6ee390e25073324cb5a86ebaa0fbcdbbb839ac8c1. 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/7a213c18-da9e-49f4-bb48-ff545cdaf08b.json and https://artists.proofprofile.net/proofs/artist/7a213c18-da9e-49f4-bb48-ff545cdaf08b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chants soufis arabo-andalous (Arabo-Andalusian Sufi Songs)
L'amoureux a accepté qu'on le prenne pour un fou
S'ils comprenaient les secrets de l'amour de Leïla
Música en la Aljafería (Homenaje a Avempace)