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 0x3304b2a96e3ecf96e06eac17760f9f6459d0d2dda07d2e3f329d45506a6d4eb5. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f63796b3-96d1-43cd-ad4d-5687818d419f.json and https://artists.proofprofile.net/proofs/artist/f63796b3-96d1-43cd-ad4d-5687818d419f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb43892c2844438db68cb2a0dd42ef0e45e23bda3e92211472c2e41698b92f208. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITS040401104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfec3a9993372b9cd8cd220dd454682adfa276562120d3818f815aab9a3fdc94d. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO101200422.
Jazz Lounge Session Collection - Cool Jazz Chillout
Jazz Lounge Essentials: Chillout & Relaxation
Jazz Lounge - The Most Relaxing Smooth Jazz in the World
Soft Piano Jazz Music - Night Bar Jazz, Good Morning Jazz Lounge, Jazz Lounge
Jazz Shadows – Best Melow Jazz, Chilled Background Jazz for Relax, Peaceful Piano Sounds, Jazz Music
Jazz Variations - Smooth Jazz, Jam Sessions, Progressive Jazz, Ambient Instrumental Jazz
Jazz Songs – Peaceful Sounds of Mellow Jazz for Relaxing Time, Instrumental Jazz
Sexy Jazz for Lovers – Sensual Music for Romantic Moments, Sexy Jazz Lounge, Dinner by Candlelight, Intimate Moments, Massage
Best Jazz for Club – Best Jazz Music for Club, Ambient Piano Jazz, Calming Piano Bar
Pure Relaxation – Piano Jazz, Relaxing Music, Cafe Jazz, Jazz Groove, Jazz Lounge
Black Jazz – Ambient Instrumental Piano Sounds, Excellent Background to Jazz Club & Bar
The Simple Jazz – Peaceful Jazz, Instrumental Piano Sounds for Stress Relief, Ambient Music
Live Jazz – Smooth Jazz, Ambient Instrumental Piano, Mellow Jazz Music, Jazz Club, Jazz Restaurant
Piano Jazz Music – Vintage Jazz Music for Every Moment of Life, Sensual Sounds and Jazz Music for Good Mood
Saxophone Passion – Romantic Saxophone Music, Sensual Music for Romantic Date, Erotic Lounge, Relaxing Jazz Music
Jazz Love Music for Romantic Evening – Sexy Jazz, Stress Relief, Romantic Night, Evening Relaxation
Soft & Calm Jazz – Best Jazz Music Collection, Soft Music for Relaxation, Instrumental
Romantic Getaway - Starry Night, Looks, Kisses, Roses and Wine
Sentimental Mood Jazz – Ambient Serenity Jazz, Bossa Jazz, Jazz Collection, Soul in Jazz
Soothing Night Jazz Music – Calming Sounds of Jazz, Relaxing Music, Night Jazz, Piano Bar
Lullaby of Jazz – Soothing Piano, Jazz Bar, Relaxing Time, Easy Listening, Chill, Streaming Jazz, Smooth Bar
Instrumental Jazz for Romantic Night – Easy Listening, Romantic Dinner, Smooth Guitar Music, Instrumental Jazz
Soft Jazz Music for Relaxation – Chilled Music, Relaxing Sounds of Jazz, Smooth Saxophone, Rest with Jazz
Restaurant Piano Jazz – Relaxing Piano Music, Jazz for Restaurant, Smooth Sounds to Relax, Background Sounds, Cafe Jazz Music
Jazz Lounge Music – Jazz Relaxation, Jazz Club, Chillout Jazz
Lounge and Jazz – Mood Jazz Music, Ultimate Jazz Sounds, Lounge
Instrumental Jazz to Calm Down – Relaxing Piano & Guitar Jazz, Instrumental Music, Time to Relax, Rest a Bit
Ambient Jazz – Mood Music, Relax with Smooth Jazz, Soft Jazz Vibes
Night Guitar Jazz Club – Calming Sounds of Jazz, Relaxing Guitar Sounds, Shades of Night, Jazz to Rest
Guitar Relaxation Jazz Music – Easy Listening Jazz, Smooth Guitar Sounds, Mellow Jazz, Night Jazz Note
Best Jazz Music – Easy Listening, Smooth Jazz Luxury, Soft Instrumental Jazz
Instrumental Jazz for Morning Relaxation – Soft Sounds, Jazz Relaxation, Easy Listening, Cafe Restaurant
Rest with Jazz – Bossa Jazz, Soul in Jazz, Evening Relaxation
Ambient Jazz for Restaurant & Cafe – Peaceful Jazz, Instrumental Piano, Jazz Music for Coffee Time, Smooth Jazz, Jazz Day & Night
Romantic Jazz Lounge – Instrumental Piano Collection, Jazz Lounge, Mellow Piano, Gentle Sounds, Romantic Restaurant
Soothing Jazz – Gentle Jazz for Total Relaxation, Lounge Jazz, Nice Jazz
Cafe Restaurant Music – Background Music for Restaurant, Dinner Time, Family Meeting, Coffee Drinking
Smooth Jazz Lounge – Relax Jazz Instrumental, Piano Session, Ambient Retro Jazz
Cafe – Jazz 2017, Instrumental, Ambient Music, Saxophone Vibrations, Smooth Jazz
Chicago Jazz Nights – Night Club Jazz Music Relax
Office Jazz: Smooth Instrumental Background Music
Soirée entre Amis: la Meilleure Musique de Jazz pour les Discussions, les Dîners et le Temps Passé Ensemble
Jazz Music Mood 2018 - Amazing Soft Jazz Music for Late Night Clubs Playlist
Jazzy Lounge - Sax Electro Swing Session, The Most Amazing Jazz Collection
Sensual Jazz Lounge in Blues – Sexy & Smooth Seductive Jazz Lounge for Sexual Love and Desire
Countryside Holidays - Jazz Songs for the Summer, Holidays in the Village, Rest and Relaxation Time, Stress Relief and Tranquility
Jazz for Luxury Style Boutique – 2019 Smooth Jazz Music Compilation for Shop with Clothes, Elegant Boutique, Glamour Clothing Store, Shopping Center, Best Background Music for Shopping with Best Friend
Sensual Feelings of Smooth Jazz: 2019 Instrumental Jazz Music for Listening at Home, Chillout with Best Relaxing Songs, Vintage Styled Tracks for Quiet Rest Evenings
Masquerade Carnival Jazz Party: 2020 Carnival Session Instrumental Jazz Music Set, Masked or Costume Party, Lounge Dixie Sounds for Swing Dance
Latino Instrumental Music: Compilation of Hottest Hispanic Jazz
The Best Time for Coffee and Jazz – Smooth Instrumental Melodies for Afternoon Relaxation
Card Games - Background Instrumental Jazz
Winter Morning - Cool Jazz, Relaxing Time for Soul, Easy Listening Jazz
Backdrop for Focus - Charming Trumpet and Alto Sax
Backdrop for Focus - Astonishing Trumpet and Alto Sax
Fall Atmosphere: Relaxing and Smooth Jazz Music 2021
Number One Jazz Trio - Ambiance for Working at the Office
Cultured Background for Co Working Spaces
Vintage Retro Lounge Music (Instrumental Jazz 2021)
Backdrop for Morning Cafe Visits - Cheerful Vibraphone and Tenor Saxophone
Vibraphone and Tenor Saxophone Solos - Music for Commuting
Simple Quartet Jazz - Bgm for Community Cafes
Big Band Ballad with Vibraphone - Ambiance for Starting the Day Off
Guitar Pop - Ambiance for Morning Sunrise
Glorious Music for Positive Moods - Electric Guitars
Electric Guitars Solo (Music for Daily Routines)
Backdrop for Starting the Day Off - Electric Guitars
(Electric Guitars Solo) Music for Morning Inspiration
Music for Morning Inspiration - Laid-back Electric Guitars
Jazz in Funky Arrangements: Positive Mood, Relaxing Vibes, Instrumental Funky Jazz
New York After Hours: Bar and Cafe Hopping
Mellow Bossa Nova: Straight from Rio De Janeiro
Looking at the Clouds: Smooth Jazz Vibes for Total Relax
Chilled-out Classics and Jazz Piano for Pets
Piano Jazz Baby Echoes: Harmonic Slumber
Double Espresso with Background Instrumentals Jazz
Café Jazz Blend: Instrumental Tunes for Coffee and Chill
Brooklyn Blend: Warm Jazz for a Cozy Café
Golden Leaves & Smooth Jazz: The Essence of Autumn in a New York Café