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 0x3f4196d9c4a9d00623344fcf3c278cf4d2e185dff740d095da14db199352fbe3. Chain 2 (Bitcoin): anchored in block 954027 (2026-06-17T00:55:08Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38ce802a-0ce1-4863-92d8-f7a40e0bad15.json and https://artists.proofprofile.net/proofs/artist/38ce802a-0ce1-4863-92d8-f7a40e0bad15.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Smooth Jazz Caffee – Music to Restaurants and Coffee Shops, Bar Music Collection, Coffee Mugs, Tea Time, Breaks at Work, Relaxation, Rest After Work, Meet Friends, Workout Plans, Stress Relief
Early Jazz Sunrise – New Day with Jazz, Smooth Piano Bar, Good Day, Jazz Music
Latin Jazz House – The Best Bossa Nova Lounge for Relaxation, Cocktail Party, Ladies Night
Pleasant Jazz Music to Listen to at Home. Relaxing Instrument Sounds, Calm Atmosphere
Relaxing Jazz Music at Home: Lazy Mood, Book and Jazz, Pleasant Evening
Jazz for Travels: Positive & Chill Background Groove Music for Roadtrips, Long Travels, Cruises and Journeys, Driving a Car, Waiting on the Airport with Good Vibes
Cafe Jazz Music. Positive Tracks. Deliocious Coffee. Time for Relax
Jazz Music at Home: Lazy Time, Friday Relaxation with Book and Wine
Waiting Room Jazz Lounge: Pleasant Chill & Groove Background Music for Waiting Rooms, Airports, Elevators
Background Dinner Music: Jazz Music Instrumental and Cooking for Pleasure
Monday Coffee Jazz: Positive Morning Chill for a Good Day
Focus at Work: Jazz Work Music, Upbeat Instrumental
Summer Jazzy Vibes: Instrumental Jazz Songs for Beautiful Weather, Soul Music for Good Mood and Positive Energy
Romantic Anniversary Dinner (Sensual and Moody Jazz)
Kitchen with Jazz Background Music (Set the Enjoying Mood for Cooking)