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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fffeb897e216f8cc9f5d956b09bc1131f45eba3e330041fe142a1d72dacc668. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bce92e19-7b20-4db5-9747-d416b1a1dc79.json and https://artists.proofprofile.net/proofs/artist/bce92e19-7b20-4db5-9747-d416b1a1dc79.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jazz for Intelligent You: Music for Introvert Mood Moments, Rule Your Mind, Good Mood Sounds, Instrumental Jazz
Jazz for Everyday - Climatic Music for Deep Rest, Magic Night with Cocktail, Lunch Time, Tender Jazz
Happy Time with Jazz – Relaxing Saturday Night & Cocktail Party, Positive Energy, Hot Instrumentals Music
Gold Jazz: Evening Session – Calming Instrumental Music, Magic Piano Sounds, Sax & Guitar, Relax Yourself, Slow Vibes
Show Me Your Jazz: Instrumental Relaxing Music, Soft Piano Bar, Good Feeling Sound, Family & Friends Time
Piano Jazz Collection: Gentle Restaurant Background Music & Dinner Party, Smooth Solo Piano & Calm Time
30 Tracks: Restaurant Smooth Jazz – Background Instrumental Music for Dinner Party, Candle Light Ambient, Celebration Jazz, Sentimental Piano Music
Jazz Piano Bar Music: Easy Listening Café Bar Collection & Restaurant Background Music
Deep Relaxing Jazz: The Best of Smooth Instrumental Jazz, Easy Listening Lounge Music, Drinks and Cocktails Party
Calm Evening Sexy Jazz: Body and Soul, Smooth Jazz for Dinner for Two, Relaxing Jazz Atmosphere
Mellow Jazz Bar: Relaxing Evening Smooth Music & Friends Time & Background Piano Bar
Diamonds of Elegant Jazz Music: Ultimate Smooth Music, Evening Relaxation, Luxury Lounge Collection
Jazz for Celebration: Dinner Party – Sensual Mood Jazz Music, Gentle Background Sounds for Wedding Day, Cocktail Party, Special Moments
Night with Jazz Music: Drinks & Cocktails, Relax After Work, Instrumental Jazz Melodies, Total Chill Out
Smooth Morning: Gentle Jazz (Mellow Collection for Good Morning, Coffe Shop, Nice Mood)
Jazz Music for Pregnants – Soothing Jazz Music Collection, Smooth & Relaxing Instrumental Songs, Soft Melodies for Relax Time
Buddha Relaxation: Calming Jazz (Pleasant Atmosphere, Inner Harmony, Mood Music Cafè, Cocktail Bar, Lounge Entertainment Night)
Deep Relaxation Jazz Collection – Smooth Music for Study, Reading, Free Time, Work, Coffee Time
Lonely Night (Soothing Jazz – Soothe Your Soul, Inner Heat, Calm Vibes, Deep Rest)
Smooth Relaxing Vibes: Cocktail Jazz, Midnight Mood, Wine Lounge, Deep Spirit of Jazz, Private Chamber Party
Evening Party Lounge – Relaxing Vibes, Rhythm & Cocktails, Winter Reflections, These Smooth Days, Midnight Mood
Happy Cheery Joyful Jazz - Music to Celebrate 2018
A Wonderful Collection of Chilled Jazz & Lounge Bossa
30 Perfect Relaxing Jazz Vibes (Throwback Thursday, Mood for Reflection, Rules of Calm Down)
International Jazz Day 2018 - Celebration Time, Instrumental Background Music, Cocktail Party
Jazz Sunsets - Soft Jazz Guitar, Relaxation, Evening Background, Lounge Bar Music, Sunsets & Cocktails Easy Listening
Sun, Fun & Lounge Jazz - Cafe Background, Perfect Chill Moments, Cocktail Bar
Calming Piano - Deeply Relaxing Jazz Collection (Evening Lounge Session)
Night Reflections - Jazz for Sleepless Nights
Autumn Café (BOSSA NOVA - Morning Wake Up, Chill Time, Lounge Instrumental Music)
Cocktail Jazz: The Best Bossa Nova Lounge Music
Red Room Sensual Jazz - Lounge of Pleasure for Smooth Lovers
Saxophone Avenue - Soulful Background Jazz Collection
Window to Relax: Quiet Piano, Calm Moment for You, Sleep Therapy, Studying
Cocktail Chillout - Delicious Piano Grooves
Jazz Ballad Compositions: Instrumental Jazz Mood, Emotional & Calm
Background Jazz: Music for Reading, Dinner, Relax, Studying
Sweet Jazz Morning vs Jazz After Dark: Calm Instrumental Jazz
Enjoyable Cooking: Delicious Background Jazz Music
Peaceful Autumn Evening – Relaxing Jazz Music for Dinner, Reading, Time After Work and Calming Mood
Winter Jazz Music Collection – Pleasant and Relaxing Mood for Cold Day
Music to Relax You - Feeling Good Jazz Cafe Music, Smooth Jazz Grooves, Nostalgia, Chilled Jazz, Home Jazz & Good Vibes Only
Feeling Blue on Mondays: Jazz Melancholy. Sad and Nostalgic Instrumental Jazz Ballads
Calming Jazz Ballads: Open Your Heart, Soothing Jazz Melodies, Heal Your Soul
Joyful Gypsy Mood: Happy Gypsy Jazz to Calm Down & Regain Positive Attitude
Relaxing Bossa Jazz Music: Better Day with Positive Atmosphere, Enjoy the Moment
Evening Jazz Ballads: Calm & Relaxing Instrumental Jazz, Slow Music for Long Nights, Soft Jazz Compilation
Soothing Jazz Ballads: Smooth Jazz Ballads & Love Songs, Jazz Summer Romance, Relaxing Moments at Home
Smooth Jazz Lounge: Easy Listening Instrumental Soul Jazz, Deep Relaxation After a Long Day
Bossa Jazz Music for Rainy Day: Relaxing Mood with Wine and Book
Relaxing Jazz Ballads: Enjoy Your Free Time with Soft Jazz Compilation, Cozy Atmosphere & Soothing Music
Unforgettable Copacabana Nights: Smooth Brazilian Chillout with Bossa Nova Jazz
Best Relaxing Jazz 2021: Instrumental BGM, Cafe Bar del Mar, Summer Relaxation
Coffee Shop Space for Relaxing Time with Book and Coffee: Spad Good Time with Pleasant Mood
Rainy Jazz in the New York: Relaxing Time with Book and Wine
Blue Moon Jazz Music for Evening Time: Jazz Moods with Relaxing Instrumental Compilation Music
Totally Relaxing Morning - Jazz Chillout Music: Smooth Jazz Instrumental Music, Chillax Relaxation Session
Jazz Background Music for the Restaurant: Pleasant Evening
Stay Calm Everyday: Relaxing Spanish Guitar Music for Studying, Maintain Focus at Work
Autumn in New York: 15 Tracks Acoustic Sounds for Afternoon Time (Relaxing Mode)
Coffee Lunch with Jazz: Calm Background in the Small Cafeteria in New York
Relaxing Piano Melodies for a Special Evening
Winter Jazz: Mellow Atmosphere and Music Background for Restaurant
Morning in Paris & Sensual Guitar Jazz: Nice Evening, Restaurant Ambience & Lounge Bar
Italian Bossa Nova: Mellow Morning Cafe Ambience with Jazz Music
Jazz for Free Time. Jazz pour le temps libre. Modern Jazz Relax. Calm Jazz Ambience. Romantic Restaurant Music
Express Your Feelings Through Music: Beautiful Jazz Instrumental Selection
Guitar Jazz Ballads (Slow and Smooth Jazz Pieces to Relax)
Pleasant Jazz Evening: Rest and Relax with Instrumental Jazz
Enjoy Your Coffee while Listening to Relaxing Jazz Music
What’s on Your Mind: Relaxing Jazz Music, Smooth Jazz for Good Mood
Lounge Cafè Soft Songs: Relaxing Jazz For The Holidays
Bookstore and Soft Jazz Music: Coffee Talk about Favourite Book, Background for Reading
Whispers of Summer: Smooth Chill Jazz Selection with Ocean Sound
Potion of Love: Sensual Romantic Jazz Playlist
Summer Bossa Nova Vibes: Lounge Bar Bossa Nova Music for Chill Out on the Beach
Vintage Mood: Retro Jazz Music for Cafe Bar, Restaurant & Nice Evening
Restaurant Jazz Instrumental Music: Dinner at Eight, Romantic Evening
Match the Sun’s Energy: Instrumental Soul and R&B Music to Chill, Preprare for the Summer with Happy and Relaxing Songs
Midnight Jazz 2022: Smooth Instrumental Collection for Sleep & Relax
Uncovered Feeling: Beautiful Jazz Ballad Instrumental Songs Selection
Luxury Nail Spa (Jazz Music Relaxation, Beauty Care, Gentle Latin Background)
Calm Jazz Relaxation: Chill Jazz for Seretonin Boost and Positive Thoughts
Smooth Jazz Music for Dogs: Relaxing Jazz to Calm Dog Anxiety and Stress
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ab800ebcaaea4b5716a2f3e5756b62d446820ec0d9588b5ce92dbf8acdc6ed. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/UKR4Q1941044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87cc2de940e8886d06f32cf0d6b7f1fd3a66167c317602705c8858e5d292399c. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/UKR4Q1941045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ce91e9c70e210f03c564f0bcaf56c35b1cc5589df4b1ad46100cc4475c2f34. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/UKR4Q1941046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c69bf6ad301c599aef55cf46de7cb65c5817860ecdb731629aeb5d340ce27ae. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T08:32:30Z), 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/UKR4Q1941051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6564ee17030ec4c1b4a180f4642cbe91be29da878eda59282e49dc115954bb00. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/UKR4Q1941052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa945c42190acb6e0fed29eb1bebb191da2a7a4559194a2b0cb73c401e00896fc. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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/UKR4Q1941054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd775e51d33c375b08170d2cd367cbcdd0d9576b67cd00a8fa72ea76929bb0b72. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/UKR4Q1941057.
Jazz Tracks for Resting: Desember Uplifting Jazz, Atmospheric Jazz for Romantic Days in Winter Time
Alpine Winter Cottage: Cozy Winter Time with Warm Instrumental Jazz Music
Winter Jazz Session: Coffee Music with Good Mood
When Rain Falls: Smooth Jazz to Enjoy When It Rains
Calm Evening with Book (Cozy Jazz for Reading, Relaxation with Cup of Tea, Mellow Instrumental Music)
Lonesome Evening: Chill with Jazz Music, Positive Mood, Relaxing Evening BGM
Weekend Jazz: Cool Music for Parties, Easy Listening for Evening & Midnight, Drink Party and Relaxation
Feel Good Grooviness: Jazzy Songs to Listen to When In Love, Romantic Groove Ballads
New York Jazz & Lounge Music (Lunch with Friends)
Friday Sensations: Smooth Jazz to Enjoy Weekend, Relax with Friends, Time Out of Work
Breakfast Lounge Jazz: Good Morning Music Coffee Shop Instrumentals, Happy Jazz to Wake You Up and Boost Your Mood
Relax in Solitude: Smooth Jazz Music for Lonely Evenings
Relax with Caffè Macchiato: Instrumental Coffee Background Jazz
Parisian Cafe: Gypsy Jazz Music for Breakfast
Sweater Weather & Morning Jazz Reading (Lazy Day with Cat)
Jazz Soiree at Sunrise: Calming Songs, Sweet Emotion
Tranquil Notes: Jazz Melodies for Gentle Unwinding
Sugar-Coated Grooves: Velvet Funk Jams for the Jazzed-Up Spirit
Café Serenade: Jazz Melodies for Creative Minds
Art of Unwinding: Late-Night Relaxation with Smooth Jazz
Chai Tea and Jazz: Cozy Fireside Serenades
Chasing Moonlit: Silken Jazz Ambience Music for Perfect Evening Relaxation
Instrumental Meditation: Calm Mindfulness Session with Piano, Violin and Harp
Cafe in the Morning: Nostalgic Morning Vibes
Jazz & Beach: Relax and Unwind with Beach Cafe Ambience & Bossa Nova Music
Coffee Table Chronicles: Background Mood
Lonely Fall After Summer: Delving into Memories
Autumn Aesthetic Jazz (October Nostalgia)
Fall Atmosphere: Slow Jazz and Chill Background Music
Notes Written in Sunbeams: Slow Afternoons
Swaying Branches: Relaxing Autumn Jazz Music