1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xdb56587df1ca463d13fdda49d58e24e52569cb6d07023a5426fe9110accc1978. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e4d1cc03-d6be-43b6-a8df-292d5d46120d.json and https://artists.proofprofile.net/proofs/artist/e4d1cc03-d6be-43b6-a8df-292d5d46120d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jantar Dançante - Piano Jazz Elegante, Música de fundo do Restaurante
Produza Mais 2019 – 22 Canções para Relaxar no Trabalho, a Melhor Música Jazz para se Concentrar no Escritório Alegre, Confortável e Feliz
Jantarzinho 2019 - Playlist para Receber os Amigos em Casa, Bem Relax para Vocês Começarem a Tarde, Bossa Nova
Não Só Vinis - Música Exclusiva Jazz e Bossa Nova para Loja de Discos em Lisboa
100% Focado - Playlist Jazz para Melhorar Foco
Restaurante Chic Jazz: Música para Restaurante Chic Elegante, 5 Estrelas Jazz para Namorados
Jantar Juntos: Jazz Elegante em Torno da Mesa
Jazz-Bar Musik: Jazz und Rhythm & Blues aus einem urigen Jazzkeller
Winter Chill Mix: Bossa Nova und Smooth Jazz Lieder zum relaxen und chillen im Winter
Sensualidade do Jazz: O Som Sensual da Música Jazz para Encontros Amorosos
Jazz Soirée: Classy Collection of Jazz Instrumentals for an Evening of Entertainment
Urbaner Detektiv-Jazz: Grooves in verrauchten Nachtclubs, Jazz Noir Musik
Gritty Noir Jazz - Suspenseful Noir Jazz for Dramatic Cliffhangers and Plot Twists