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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a446e1b61d5cd32797aadb29b7cc2072b467d8437e0625855571fd24471f802. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d43c68bf-6542-417f-b5dd-4d38952f1a06.json and https://artists.proofprofile.net/proofs/artist/d43c68bf-6542-417f-b5dd-4d38952f1a06.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jazz Chill Music for Working, Work Music, Concentration
High-class Music for Cooking with Family
Morning Coffee Jazz - Relaxing Smooth Cafe Music for Work & Study
Focus Jazz Cafe: Where Concentration Meets Relaxation
Bistro Beat Jazz: Culinary Vibes in a Jazz-filled Café
Twilight Terrace Café Jazz: Evening Espressos
Café Jazz: Lazy Afternoons, Laid-back Tunes
Dewy Dawn Café Jazz: First Light, First Sip, First Note
Under the Canopy Café Jazz: Greenery, Gastronomy, and Grooves
Café Jazz: Stories Told Over Coffee Cups
Jazzy Macchiato Moments: Smooth Notes, Creamy Beats
Café Jazz Rendezvous: Chance Meetings, Romantic Music
Chocolate Croissant Café Jazz: Warm Pastries, Melting Moments
Jazz Coffee Mornings: Freshly Brewed Rhythms, Sunrise Serenades, Begin the Day with a Music
Café de Jazz: Parisian Streets, Rain, Coffee, and Mellow Instrumentals
Café Noir Jazz Lounge: Deep Espresso Tunes for Midnight Thinkers
Metropolitan Jazz: From Tokyo Rooftops to London Cafés, Pure Relaxation
Jazz Cafe Ambiance: Jazz Melodies for Cozy Evenings and Laid-back Weekends
Holiday Jazz Beneath the Twinkling Lights