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 0x266a6539c398ffb609ca3387d038fb4fc8aa36c8d803c381a05ffaedb2634373. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3f09583e-7204-43d4-a851-a91c615c0a33.json and https://artists.proofprofile.net/proofs/artist/3f09583e-7204-43d4-a851-a91c615c0a33.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 0xf17437c67adfd09a5cbc54b0a06f398bbbf45da5f5ef8fe6e81fb8958c44a516. Chain 2 (Bitcoin): anchored in block 956485 (2026-07-03T10:53:04Z), 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/BGA471905433.
Tenor Sax Jazz - Background for Cool Cafes
Tenor Sax Jazz - Background for Cafe Focus
Tenor Sax and Trumpet Solos (Music for Cafe Focus)
No Drums Jazz - Background Music for Afternoon Lattes
Backdrop for Coffee with Friends - Sax Jazz
Jazz Trio - Ambiance for Afternoon Moods
Bartione Sax solo - Ambiance for Restaurants
Jazz Trio - Ambiance for Cozy Rainy Days
Laid-back Trio Jazz - Bgm for Resting at Coffee Shops
Wonderful Music for Resting at Coffee Shops - Trumpet and Alto Sax
Bartione Sax solo - Background for Happy Hours
Music for Lounge Bars - Serene Big Band Ballad with Guitar
Modish Jazz Trio - Ambiance for Happy Hour with Friends
Music for Reading at Home - Hot Electric Guitars
Smooth Background Music for Studying Moods
Divine Guitar Pop - Ambiance for Rainy Evenings
Music for Friday Night (Big Band Ballad with Guitar)
Music for Cool Evenings - Fantastic Big Band Ballad with Guitar
Incredible Jazz Trio - Ambiance for Evening Drinks
Big Band with Tenor Sax - Background Music for Cool Evenings
Easy Music for Winter Time - Electric Guitars
Majestic Guitar Pop - Background for Quiet Time
Music for Cool Evenings - Distinguished Big Band Ballad with Guitar
Trumpet and Alto Saxophone - Music for Bar Time
Happening Background for Reading at Home
Pulsating Jazz Trio - Ambiance for Lounge Bars
Trumpet and Alto Saxophone - Music for Work Energy
Music for After Work Dinner (Big Band Ballad with Guitar)
Music for Date Nights - Carefree Trumpet and Alto Sax
Big Band Jazz Ballad - Music for Lunch Break
Music for Cool Restaurants - Sprightly Big Band Ballad with Guitar
Music for Lunch at Work - Big Band Ballad with Guitar
Music for Lunch at Work (Big Band Ballad with Guitar)
Music for Coffee at Lunch - Happening Big Band Ballad with Guitar
Big Band Jazz Ballad - Music for Dinner Dates
Big Band Ballad with Vibraphone - Ambiance for Dinner Dates
Cultured Big Band Ballad with Vibraphone - Ambiance for Pop Up Restaurants
Backdrop for Brunches - Casual Big Band Ballad with Guitar
Music for Brunches - Big Band Ballad with Guitar
Fashionable Jazz Quartet - Background for Holiday Travels
Jazz Quartet - Ambiance for Coffee in Lobbies
Sensational Jazz Quartet - Background for Holiday Travels
Vibraphone and Tenor Saxophone Solos - Music for Coffee in Lobbies
Backdrop for Coffee in Lobbies - Inspired Vibraphone and Tenor Saxophone
Sumptuous Background Music for Hotel Lobbies
Jazz Quartet - Background for Holiday Travels
Bossa Trombone - Background Music for Breakfast Time
Bossa Saxophone - Background for Meetups
Bossa Nova (Music for Pumpkin Spice Coffee)
Bossa Trombone - Background Music for Morning Cafe
Bossa Saxophone - Ambiance for Coffee with Family
Festive Bossa Saxophone - Background for Road Trip Cafe
Bossa Trombone - Bgm for Winter Holidays
Background Music for Coffee with Friends
Backdrop for Snowbirds - Sensational Bossanova
Bossa Trombone - Background Music for Road Trip Cafe
Bossa Saxophone - Ambiance for Road Trip Cafe
Bossa Saxophone - Background for Oat Milk Flat Whites
Bossa Nova - Music for Organic Coffeehouses
Bossa Trombone - Background Music for Oat Milk Flat Whites
Music for Coconut Cold Brew - Tasteful Bossanova
Chilled Music for Gourmet Coffees - Bossanova
Dream-Like Music for Weekend Relaxing - Chill Out
Dream Like Smooth Jazz Chill Out - Ambiance for Sunny Days
Vibrant Smooth Jazz Chill Out - Background for Sunny Days
Astonishing Music for Weekend Relaxing - Chill Out
Dream Like Ambiance for Saturday Mornings
Music for Rainy Mornings - Chill Out Guitar
Sprightly Music for Champagne Brunches - Chill Out Guitar
Guitar Chill Out - Background for Hotel Cafes
Music for Hotel Cafes - Energetic Chill Out Guitar
Music for Sunday Brunches (Chill Out Guitar)
Trumpet and Alto Saxophone (Music for Dinner and Drinks)
Music for Evening Cocktails - Trumpet and Alto Sax
Music for Classy Hotels - Opulent Trumpet and Alto Sax
Trumpet and Alto Saxophone - Music for Evening Cocktails
Music for Evening Cocktails - Fantastic Trumpet and Alto Sax
Music for Dinner and Drinks - Trumpet and Alto Sax
Artistic Trio Jazz - Bgm for Evening Cocktails
Marvellous Clarinet Solo - Background for Jazz Bars
Music for Saturday DInner - Trumpet Solo
Music for Secret Bars - Wonderful Trumpet Solo
Clarinet Solo - Background for Friday Dining
Urbane Music for Exclusive Restaurants - Trumpet Solo
Bubbly Trumpet Solo - Background for Morning Downtime
Breathtaking Ambiance for Breakfast Diners
Astonishing Background Music for Brunch Meetups
Smooth Background Music for Sweet Mornings
Elegant Trumpet Solo - Background for Good Memories
Backdrop for Lounge Bars - Sophisticated Big Band Ballad with Guitar
Big Band Ballad with Vibraphone - Ambiance for Lounge Bars
Backdrop for Orange Espressos - No Drums Jazz
Music for Coffee and Brunch (No Drums Jazz)
Magical Music for Lobby Cafes - No Drums Jazz
Fashionable Big Band Ballad with Vibraphone - Ambiance for Restaurant Lounges
Music for Hotel Bar (Big Band Ballad with Guitar)
Music for Orange Espressos - Classic No Drums Jazz
Big Band Ballad with Vibraphone - Ambiance for Hotel Bar
Music for Resting Easy (Trumpet and Alto Sax)
Music for Hotel Club Lounges - Spirited Trumpet and Alto Sax
Music for March Moments - Excellent Trumpet, Alto Sax and Tenor Sax
Music for Creative Feelings - Trumpet, Alto Sax and Tenor Sax
Trumpet and Alto Saxophone - Music for Busy Weekdays
Music for Secret Bars - Trumpet and Alto Sax
Wonderful Jazz Trio - Background for Sleepy Sundays
Cultured Music for Secret Bars - Trumpet and Alto Sax
Music for Posh Hotels - Trumpet and Alto Sax
Backdrop for Weekend Hotel Stays - Paradise Like Trumpet and Alto Sax
Backdrop for Classic Luxury - Fabulous Chill Out
Fantastic Music for Long Weekend Getaways - Chill Out
Jazz Trio - Ambiance for Weekday Dinners
Mind-blowing Smooth Jazz Chill Out - Background for Weekend Holidays
Music for Long Weekend Getaways - Chill Out
Smooth Jazz Chill Out - Ambiance for Long Weekend Getaways
Quintet Jazz - Background Music for Lobby Bars
Trumpet and Alto Saxophone - Music for Boutique City Hotels
Jazz Trio - Background for Weekday Dinners
Artistic Smooth Jazz Chill Out - Background for Long Weekend Getaways
Clarinet Solo - Background for Lobby Bars
Trio Jazz - Background Music for Afternoon Tea Time
Clarinet Solo - Background for Dixieland Vibes
(Trumpet and Alto Saxophone) Music for Weekend Hotel Stays
Music for Fine Dining at Hotels - Exquisite Trumpet and Alto Sax
Cheerful Music for Fine Dining at Hotels - Trumpet and Alto Sax
Jazz Trio - Ambiance for Hotel Lounge Bars
Trumpet and Alto Saxophone - Music for Hotel Lounge Bars
Piano Jazz - Ambiance for Luxury Resorts
Jazz Ballad - Background Music for Hotel Trips
Refined Jazz Ballad - Bgm for Hotel Trips
Smoky Background for Spring Break Getaways
Contemporary Trumpet Solo - Ambiance for Spring Sun
Music for Tokyo Jazz Clubs - Playful Piano
Playful Ambiance for Springtime Feelings
Grand Piano Jazz - Background for Thursday Evenings
Mysterious Big Band Ballad with Vibraphone - Background for Spring Fresh
Charming Music for Work Productivity Hacks - No Drums Jazz
Music for Tokyo Jazz Bars - Simple Piano
Inspired Background for Trigerring Inspiration
Big Band Ballad with Vibraphone - Background for Spring Days
Lonely Big Band Ballad with Vibraphone - Ambiance for Spring Days
Stellar Background Music for Spring Fresh
Cultured Jazz Quartet - Ambiance for Calming Work from Home
Fantastic Background Music for Sweet Spring
Music for Work and Study - Friendly Trumpet and Alto Sax
Quartet Jazz - Background Music for Mental Health Days at Home
Jazz Trio - Background for Long Study Sessions
Music for Study Focus - Trumpet and Alto Sax
Music for Good Spring Vibes (Big Band Ballad with Guitar)
Astonishing Background for Relaxing Spring Time
Big Band Ballad with Vibraphone - Background for Happy Spring Moments
Trio Jazz - Background Music for Being Busy
Peaceful Music for Working Days - Trumpet and Alto Sax
Easy Music for Favorite Coffee Orders - Vibraphone and Tenor Saxophone
Music for Late Night Unwinding (Vibraphone and Tenor Saxophone)
Trumpet Smooth Jazz - Background for Rainy April
Music for NYC Cafe Bars (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Music for Work Breaks - Spirited Trumpet and Alto Sax
Playful Music for Summer Holiday - Trumpet and Alto Sax
Quartet Jazz - Background for Classic Concentration
Music for Boutique Coffee Roasters (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Quartet Jazz - Background for Social Feelings
Pulsating Ambiance for Holiday with Family
Quartet Jazz - Background for Balancing Hours
Serene Quartet Jazz - Ambiance for Fun in May
Simple Background Music for Cool May Nights
Cool Piano Jazz - Ambiance for Coffee and Focus
Incredible Quartet Jazz - Ambiance for Cool May Nights
Spirited Background Music for Mellow Trips
Trumpet Smooth Jazz - Background for Vacations in May
Music for Calming Night - Vivacious Soprano Sax Solo
Vintage Quartet Jazz - Background for Slacking Off Sundays
(Smooth Jazz Sax) Music for Vacations in May
Music for Glitz and Glamour (Jazz Guitar Solo)
Music for Energetic Feelings (Jazz Guitar Solo)
Smart Trumpet Smooth Jazz - Ambiance for Early Summer Changes
Breathtaking Music for More Feelings - Jazz Guitar Solo
Music for Low Key Mornings (Soprano Sax Solo)
Magnificent Jazz Trio - Background for Summer and Relax
Astounding Quartet Jazz - Bgm for June Evenings
Backdrop for Summer and Relax - Happening Jazz Organ and Guitar
Quartet Jazz - Ambiance for Fun Dreamscapes
Music for Wonderful Tonight - Soprano Sax Solo
Music for Chillout June - Luxurious Jazz Guitar Solo
Understated Jazz Trio - Ambiance for Mellow Junes
Mysterious Music for Colorful Keynotes - Jazz Quintet
Backdrop for Morning Roads - Spacious Soprano Sax Solo
Backdrop for Wonderful Imagination - Inspiring Jazz Quintet
Backdrop for Stopping Work - Fabulous Jazz Quintet
Jazz Organ - Background Music for Calming Summer
Quartet Jazz - Ambiance for Bohemia Vibes
Music for Bohemia Vibes - Happening Soprano Sax Solo
Sophisticated Music for Soft Melodies - Trumpet, Soprano Sax, Tenor Sax and Guitar
Trumpet Bossa - Ambiance for Mood Boostings
Music for Summer Keytones - Jazz Quintet
Quintet Jazz - Music for Laid Back Overtones
Music for Lemongrass Iced Coffee - Latin Music
Sunny Latin Guitar - Bgm for Refreshing Coffee Tonic
Music for Soda and Java - Inspiring Latin Music
Latin Trumpet - Background for Refreshing Coffee Tonic
Music for Sunday Morning Relaxings (Soprano Sax Solo)
Joyful Music for Summer Classics - Soprano Sax Solo
Phenomenal Music for July Fun - Soprano Sax Solo
Jazz Organ - Background Music for Summer Blues
Jazz Violin - Background for Summer Blues
Wicked Jazz Violin - Background for Pure Daydreamers
Alluring Music for Jazzy Recliners - Trumpet, Soprano Sax, Tenor Sax and Guitar
Sensational Music for Mind Hours - Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for Lounging Summer - Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for Jazzy Recliners - Trumpet, Soprano Sax, Tenor Sax and Guitar
Background Music for Coffee and Mental Health
Backdrop for Morning Wellness Coffee - Trumpet, Soprano Sax, Tenor Sax and Guitar
Backdrop for Self Care and Coffee - Sprightly Trumpet, Soprano Sax, Tenor Sax and Guitar
Tenor Sax Solo (Music for Those Summer Feels)
Music for August Modes - Soprano Sax Solo
Jazz Trio - Ambiance for Late Summer Blue
Jazz Organ and Guitar Solo (Music for Last Minute Holidays)
Music for Fun in Summer - Carefree Jazz Organ and Guitar
Music for Lazy Night Reflections - Latin Music
Unique Quartet Jazz - Ambiance for Completely Present
Music for Study Buddies (Harmonica Solo)
Soprano Sax Solo (Music for Enlightened Moods)
Refined Acoustic Smooth Jazz Guitar - Ambiance for Intense Seconds
Music for Decompressing and Coffee - Jazz Guitar Solo
Music for Pathway Serenity (Latin Music)
Latin Trumpet - Ambiance for Dawning Lights
(Acoustic Guitar Quartet) Music for A Mellow Memory
Acoustic Guitar Quartet (Music for A Mellow Memory)
Jazz Organ - Bgm for Rejuvenating October
Backdrop for Another Chill Evening - Acoustic Guitars
Stellar Jazz Organ - Bgm for October Mindfulness
Music for Accepted Hope - Exquisite Soprano Sax Solo
Understated Background Music for New Experiences
Tenor Sax Solo (Music for Discovering Passion)
Superlative Acoustic and Electric Piano Jazz Duo - Bgm for Meditative Days
Music for Healing Octobers - Vivacious Trumpet, Soprano Sax, Tenor Sax and Guitar
Subtle Trio Jazz - Ambiance for Creative Flashback
Acoustic and Electric Piano Jazz Duo - Bgm for Lounging Luxury
Marvellous Music for Supportive Hours - Alto Sax
Sensational Jazz Organ - Bgm for SIlent Solutions
Subdued Music for Optimistic Worlds - Jazz Quartet
Tenor Sax Jazz - Ambiance for Morning Hours
Tenor Sax Jazz - Background for Morning Hours
Mysterious Background for Vibrant Streets
Music for Accepting Times - Bossa Guitar Trio
Wondrous Jazz Violin - Ambiance for Beautiful Illusions
Music for Novembers Momentum - Latin Piano Jazz
Music for Inspiring Abstracts (Latin Piano Jazz)
Music for Magical Selections (Bossa Guitar Trio)
Tasteful Background for Cute Celebration
Jazz Organ - Background Music for Beach Blues
Hip Music for Inspiring Lullaby - Latin Piano Jazz
(Jazz Organ and Bossa Guitar Trio) Music for Moments of Rhythm
Dream-Like Acoustic Smooth Jazz Guitar - Background for Brave Acoustics
Music for Brave Acoustics - Harmonica Solo
Uplifting Jazz Organ - Bgm for November Nocturnal
Hot Music for Important Goals - Latin Piano Jazz
Sophisticated Backdrop for Nocturnal Nights
Music for Nocturnal Nights - Dream-Like Jazz Quintet
Serene Jazz Organ - Bgm for November Nocturnal
Early Morning Chilling Tracks for Studying
Jazz Quartet - Background Music for Handmade Blues
Quartet Jazz - Background for Tropical Joys
Classic Latin Trumpet - Background for Coffee House Winters
Music for Sleepy Winter Nights (Latin Music)
Deluxe Music for Breezy Winter Feels - Jazz Organ and Guitar
Music for Soft Mornings - Jazz Organ and Guitar
Jazzens Sjælfulde Dialog på Vores Fælles Sti
Vintage Background Music for Calming Lounges
Dashing Piano Jazz Duo - Ambiance for Late Coffee
Laid-back Piano Jazz Duo - Ambiance for Sunny Morning
Piano Jazz Duo - Ambiance for Sunny Morning
Piano Jazz Duo - Background for Sunny Morning
Piano Jazz Duo - Background for January Jazzes
Alto Sax Solo (Music for Cooling Oceans)
Spectacular Guitar Jazz - Ambiance for Colorful Unwinding
Phenomenal Music for Lazy Chill Peace - Alto Sax
Guitar Jazz - Ambiance for Comfortable Afternoon
Mellow Guitar Jazz - Background for Dreamy Days
Jazz Guitar - Background Music for Standard Events
Backdrop for Comfortable Night - Amazing Jazz Quintet
植物とまったり音楽の素晴らしい一日
Ivory Keys Tinkle: Classic Jazz Harmonies