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 0x32486a892e5867b9ca71b53c6688635e0fda86aa7e8e9b6e1d116f2f80d490b8. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8df420ef-ec7c-42cd-b5de-0cdc7a5e7ff1.json and https://artists.proofprofile.net/proofs/artist/8df420ef-ec7c-42cd-b5de-0cdc7a5e7ff1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Battements tendus I (M. Ponce "Estrellita")
Battements tendus II (Y. S. Choi Op.1 No.1)
Battements tendus jetés I (V. Youmans "Tea for Two")
Battements tendus jetés II (N. Paganini Op.1 No.24)
Ronds de jambe à terre (P. I. Tchaikovsky Op.23 No.1)
Battements fondus (Y. S. Choi Op.1 No.2)
Battements frappés (J. Strauss II Op.214)
Ronds de jambe en l`air (Y. S. choi Op.1 No.3)
Grand Battements (L. Minkus "Don Quixote")
Battements tendus jetés (R. Drigo "Talisman")
Battements fondus (P. I. Tchaikovsky Op.51 No.6)
Grand battements (L. Delibes "Coppelia")
Petit allegro I (E. Helsted, H. Pauli "Blomsterfesten i Genzano")
Petit allegro II (S. Joplin "The Entertainer")
Petit allegro III (G. Gershwin "I Got Rhythm")
Petit allegro IV (L. Minkus "Don Quixote")
Medium allegro I (C. Pugni "La Esmeralda")
Medium allegro II (L. Minkus "Don Quixote")
Grand allegro I (P. Hertel "La fille mal gardée")
Port de bras (C. Saint-Saëns "Le Cygne")