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 0xc537617ec93d6155215ed1ba9e2aee950a1f01a6db14cfc5a3ddc4a3e1521b57. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a502db5f-3d78-4418-b42f-6a537194e00b.json and https://artists.proofprofile.net/proofs/artist/a502db5f-3d78-4418-b42f-6a537194e00b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Learn Spanish Step By Step, Spanish-English Course
Introducing Oneself and Others in Spanish
Asking for and Giving Directions in Spanish
Touring and Sightseeing Vocabulary in Spanish
Driving and Car Rental Vocabulary in Spanish
Services in Spanish (Post Office, Bank in Spanish, Phone and Internet) in Spanish
Emergencies Vocabulary in Spanish (Health and Security)
Business Words and Expressions in Spanish
Talking About Sports in Spanish (En Vivo)
Days of the Week in Spanish, Months of the Year in Spanish, Seasons in Spanish and Holidays in Spanish
Aprender Inglés Fácil: Frases y Palabras Inglés
Saludos Básicos en Inglés: Frases Cotidianas y Fórmulas de Cortesía
Presentándose a Uno Mismo y Presentando a Otros
Conducción y Alquiler de Autos en Inglés
Servicios en Inglés(Oficina de Correos, Banco, Teléfono e Internet)
Emergencias en Inglés(Salud y Seguridad)
Días, Meses, Estaciones y Días Festivos en Inglés
Tiempo en Inglés (Unidades, Hora del Día, Preguntar y Decir la Hora)