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 0x7714cb5861e95531b6b00f63cb308780f17444415936fa6de35daf71b3f50b51. Chain 2 (Bitcoin): anchored in block 953777 (2026-06-15T11:52:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ce872882-d496-4bf4-8ac0-56bdfaa4a602.json and https://artists.proofprofile.net/proofs/artist/ce872882-d496-4bf4-8ac0-56bdfaa4a602.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 0x39506e85955bd2c24bd1746f8359f300a65cf6e18d77ccf5b2b812f95bf80c9c. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/GBLPF0134180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33b9c4d30146ebf7c755819f02d967645a78592635441c8543cddba9365eca36. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:33:13Z), 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/GBLPF0134183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4b7e98b5d57af5bb31657f84a660d084da9fd50788954a5086ee5c07a43f39d. 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/GBLPF0254979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6932c21ad1f4d3c2fffe265827c6fff57650f679d860e37dc39c07c56c98f506. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/GBLPF0271822.
Backdrop for Cool Cafes - Pulsating Trumpet Jazz
Music for Working from Cafe (Trumpet Jazz)
Tenor Sax and Trumpet Solos - Music for Working from Cafe
Tenor Sax Jazz - Ambiance for Cool Cafes
Bartione Sax solo - Ambiance for Morning Espresso
Music for Afternoon Moods - Trumpet and Alto Sax
Music for Resting at Coffee Shops - Sumptuous Trumpet and Alto Sax
Music for Cozy Afternoons - Tasteful Sax Jazz
Music for Relaxing with Coffee - Divine Trumpet and Alto Sax
Trumpet Jazz (Music for Cozy Afternoons)
Subtle Bartione Sax solo - Background for Storms
Music for Resting at Coffee Shops (Trumpet and Alto Sax)
Trumpet Jazz - Music for Drinks with Friends
Backdrop for Relaxing Sessions - Smooth Electric Guitars
Wondrous Big Band Ballad with Vibraphone - Ambiance for Cool Restaurants
Exciting Music for Cool Restaurants - Big Band Ballad with Guitar
Artistic Music for Lounge Bars - Trumpet and Alto Sax
Big Band with Tenor Sax - Background Music for Reading at Home
Simplistic Music for Hip Restaurants - Big Band Ballad with Guitar
Phenomenal Music for Reading at Home - Electric Guitars
Trumpet and Alto Saxophone (Music for Staying Focused)
Trio Jazz - Background Music for Studying Moods
Backdrop for Winter Time - Electric Guitars
Trumpet and Alto Saxophone (Music for Lounge Bars)
Music for Winter Time (Big Band Ballad with Guitar)
Inspired Guitar Pop - Background for Autumn Moods
Contemporary Jazz Trio - Background for Evening Drinks
Successful Big Band Ballad with Vibraphone - Ambiance for Secret Bars
Music for Winter Time - Charming Big Band Ballad with Guitar
Backdrop for Bistros - Wondrous Trumpet and Alto Sax
Jazz Trio - Ambiance for Classy Restaurants
Music for Bars - Big Band Ballad with Guitar
Tranquil Trio Jazz - Bgm for Deluxe Cafes
Music for Deluxe Cafes - Trumpet and Alto Sax
Big Band with Tenor Sax - Background Music for Coffee Bars
Contemporary Background Music for Date Nights
Divine Music for Chilling Days - Big Band Ballad with Guitar
Big Band Ballad with Vibraphone - Background for Hanging Out
Music for Bars (Big Band Ballad with Guitar)
Fun Music for Romantic Dinner - Trumpet and Alto Sax
Mellow Jazz Trio - Ambiance for Classy Restaurants
Big Band with Tenor Sax - Background Music for Chilling Days
Big Band Ballad with Vibraphone - Background for Bars
Music for Community Cafes - Trumpet and Soprano Sax
Music for Relaxing Days - Sophisticated Trumpet, Electric Piano, Alto Sax and Soprano Sax
Big Band Jazz Ballad - Music for Happy Hours
Music for Morning Coffee Time - Trumpet and Soprano Sax
Sprightly Smooth Jazz - Bgm for Lazy Days
Music for Morning Coffee Time - Fiery Trumpet and Soprano Sax
Backdrop for Comfy Moments - High-class Trumpet, Electric Piano, Alto Sax and Soprano Sax
Spirited Smooth Jazz - Bgm for Lazy Days
Big Band Ballad with Vibraphone - Ambiance for Diners
Energetic Big Band with Tenor Sax - Bgm for Dinner Dates
Music for Hotel Lobbies (Vibraphone and Tenor Saxophone)
Sensational Background Music for Holiday Travels
Music for Cafe Moods - Tasteful Trumpet, Electric Piano, Alto Sax and Soprano Sax
Smooth Jazz Sax - Music for Weekend Nights
Charming Jazz Quartet - Background for Extended Vacations
Successful Trumpet Smooth Jazz - Background for Fun Vibes
Subdued Jazz Quartet - Ambiance for Room Service
Sumptuous Jazz Quartet - Ambiance for Holiday Travels
Music for Coffee in Lobbies - Vibraphone and Tenor Saxophone
Relaxing Music for Egg Nog Coffees - Bossanova
Bossa Saxophone - Background for Travels
Glorious Background Music for Long Vacations
Bossa Saxophone - Background for New Places
Bossa Nova (Music for Coffee with Friends)
Dream Like Bossa Saxophone - Ambiance for New Places
Bossa Saxophone - Ambiance for Breakfast Time
Magical Backdrop for Coffee with Friends
Music for Bar Lounges - Stellar Bossanova
Music for Lunch Dates - Sprightly Bossanova
Bossa Trombone - Background Music for Brunches
Chilled Bossa Saxophone - Background for Gourmet Food
Music for Lunch Dates - Inspiring Bossanova
Hip Brazilian Jazz - Background for Weekend Relaxing
Hip Smooth Jazz Chill Out - Background for Sunday Brunches
Fiery Music for New Year Vibes - Chill Out
Guitar Chill Out - Bgm for Sunday Brunches
Backdrop for Good Vibes - Alluring Chill Out
Backdrop for Coffee Bars - Outstanding Bossa Nova Guitar
Sultry Background Music for Sunday Brunches
Festive Guitar Chill Out - Ambiance for Sunrise with Coffee
Guitar Chill Out - Ambiance for Breakfast Buffets
(Chill Out Sax) Music for Sunday Brunches
Music for Nice Times - Lonely Trumpet and Soprano Sax
Smooth Jazz Ballad - Bgm for Chill Mornings
Backdrop for Chill Mornings - Playful Trumpet and Soprano Sax
Trumpet and Alto Saxophone (Music for Classy Hotels)
Music for Chill Mornings - Mellow Trumpet and Soprano Sax
Trumpet and Alto Saxophone - Music for Cocktail Times
Lovely Smooth Jazz - Ambiance for Winter Vibes
Groovy Jazz Trio - Ambiance for Nightcap Drinks
Jazz Trio - Ambiance for Evening Cocktails
Smooth Jazz Ballad - Bgm for Resting Easy
Quintet Jazz - Background Music for Club Lounging
Music for Resting Easy - Trumpet and Soprano Sax
Music for Saturday DInner - Trumpet Solo
Awesome Smooth Jazz - Background for Chill Mornings
Music for Saturday DInner (Trumpet Solo)
Majestic Clarinet Solo - Ambiance for Exclusive Restaurants
High Class Music for Saturday DInner - Trumpet Solo
Music for Coffee and Brunch (No Drums Jazz)
Lively Trumpet Solo - Ambiance for Sweet Mornings
Music for Sweet Mornings - No Drums Jazz
Music for Morning Downtime - No Drums Jazz
Music for Brunch Meetups - No Drums Jazz
Music for Brunch Meetups (No Drums Jazz)
Wonderful Music for Breakfast Diners - No Drums Jazz
Vivacious Backdrop for Classic Cocktails
Jazz Guitar Solo - Bgm for Classy Hotels
Music for Pleasant Evenings - Delightful Big Band Ballad with Guitar
(Big Band Jazz Ballad) Music for Lounge Bars
Tasteful Background Music for Classy Hotels
Sophisticated Smooth Jazz Chill Out - Ambiance for Java Moments
Backdrop for Secret Bars - Inspiring Trumpet and Alto Sax
Guitar Chill Out - Background Music for Back to Work
Smooth Jazz Chill Out - Ambiance for Lunch Break Coffee
Music for Lazy Days - Astonishing Trumpet and Alto Sax
Backdrop for Cocktail Hours - Sparkling Trumpet and Alto Sax
Exciting Guitar Chill Out - Bgm for Lunch Break Coffee
Guitar Chill Out - Background Music for Breakfast Cafes
Quiet Music for Cocktail Hours - Trumpet and Alto Sax
Marvellous Trio Jazz - Bgm for Busy Weekdays
Backdrop for Fine Dining Establishments - Trumpet and Alto Sax
Music for Lobby Bars - High-class Trumpet Solo
Sultry Music for Classic Luxury - Chill Out
Scintillating Trio Jazz - Bgm for Afternoon Tea Time
Exciting Smooth Jazz Chill Out - Background for Weekend Holidays
Music for Cool Dining - Groovy Jazz Ballad
Magical Jazz Guitar - Background for Eating Well
Guitar Chill Out - Background Music for Long Weekend Getaways
Beautiful Music for Weekend Holidays - Chill Out
Music for Afternoon Tea Time - Trumpet and Alto Sax
Heavenly Piano Jazz - Background for Spring Break Getaways
Inspired Background for Lobby Cocktail Lounges
Piano Jazz - Ambiance for April Vacations
Music for Hotel Lounge Bars - Dream Like Chill Out
Piano Jazz - Ambiance for Spring Break Getaways
Music for Happy Hour at Hotels - Uplifting Chill Out
Smooth Jazz Chill Out - Background for Lobby Cocktail Lounges
(Big Band Jazz Ballad) Music for Springtime Feelings
Piano Jazz - Background for Tokyo Jazz Bars
Divine Backdrop for Trigerring Inspiration
Music for Springtime Feelings (Big Band Ballad with Guitar)
Backdrop for Springtime Feelings - High Class Big Band Ballad with Guitar
Atmospheric Backdrop for Rejuvenating Creativity
Big Band with Tenor Sax - Background Music for Springtime Feelings
(Trumpet and Alto Saxophone) Music for Study Focus
Big Band Ballad with Vibraphone - Ambiance for Mood Boosting
Easy Big Band Ballad with Vibraphone - Background for Study and Sleep Moods
Scintillating Jazz Quartet - Background for Unique Perspectives
Music for Study Focus - Trumpet and Alto Sax
Music for Late Night Unwinding - Wicked Vibraphone and Tenor Saxophone
Music for Good Spring Vibes - Big Band Ballad with Guitar
Music for Relaxing Spring Time (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Warm Quartet Jazz - Background for Balancing Hours
Smooth Jazz - Background Music for London Espresso Bars
Music for Positive Nature (Soprano Sax Solo)
Majestic Jazz Trio - Ambiance for Holiday with Family
Distinguished Trio Jazz - Bgm for Workcation
Trumpet Smooth Jazz - Ambiance for Fresh Java Spots
Trumpet and Alto Saxophone (Music for Hotel Restaurants)
Jazz Trio - Ambiance for Holiday with Family
Smooth Jazz Sax - Music for Fresh Java Spots
Simplistic Bgm for Classic Concentration
Quartet Jazz - Ambiance for Infinite Dreams
Backdrop for Fresh Java Spots - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Backdrop for Rainy May Days - Jazz Guitar Solo
Casual Jazz Quartet - Bgm for Rainy May Days
Tenor Sax Solo (Music for Lazy Thursday)
Music for Weekend Parties (Jazz Guitar Solo)
Jazz Quartet - Background Music for Stress Relieving
Dream-Like Quartet Jazz - Bgm for Lazy Thursday
Music for Vacations in May (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Spirited Trumpet Smooth Jazz - Background for May Travels
Stellar Quartet Jazz - Ambiance for June Evenings
(Soprano Sax Solo) Music for Stylish June
Trio Jazz - Background Music for Summer and Relax
Music for Summer Loves - Awesome Jazz Organ and Guitar
Artistic Background Music for Summer Loves
Backdrop for Summertime Springs - Scintillating Chill Out
Guitar Chill Out - Background Music for Summertime Springs
Dream Like Background for Summer Exploring
Quartet Jazz - Background for Mellow June Mornings
(Quintet Jazz) Music for Wonderful Imagination
Modish Music for Jazz and Chill - Soprano Sax Solo
Quartet Jazz - Ambiance for Bohemia Vibes
Tranquil Jazz Violin - Ambiance for Relaxed June Nites
Outstanding Jazz Organ - Bgm for Peak Summer
Guitar Bossa Nova - Music for Mood Boostings
Retro Background Music for Mood Boostings
Background Music for Iced Coffee for Summer
Cultivated Latin Guitar - Bgm for Espresso Tonics
Vivacious Music for Soda and Java - Latin Music
Music for Summer Classics - Soprano Sax Solo
Music for Midsummer Flings - Jazz Quintet
(Quintet Jazz) Music for Midsummer Flings
Music for Happy Fridays (Soprano Sax Solo)
Music for Calm Reflections - Trumpet, Soprano Sax, Tenor Sax and Guitar
Trumpet Bossa - Background for Calm Reflections
Extraordinary Trumpet Bossa - Ambiance for Coffee and Mental Health
Trumpet Bossa - Background for Staying Cool
Feelings for Refreshing Iced Coffee Drinks
Jazz Organ and Guitar Solo - Music for September Dream
(Jazz Organ and Guitar Solo) Music for Late Summer Blue
Inspiring Jazz Trio - Background for Redemption Mode
Trio Jazz - Background Music for Seasonal Thought
Bossa Nova Guitar (Music for Literary Daydreams)
Backdrop for Virtual Relaxation - Jazz Quintet
Pulsating Music for Enlightened Moods - Jazz Guitar Solo
Bossa Guitars - Background Music for Focusing Tales
Music for Dusk Lights - Jazz Guitar Solo
Jazz Quartet - Bgm for Enlightened Moods
Music for Private Daydreams - Suave Bossa Guitar Trio
Guitar Trio - Ambiance for Literary Daydreams
Simplistic Backdrop for Enlightened Moods
Artistic Jazz Organ - Bgm for Colorful Gambles
Jazz Quartet - Background Music for The Relaxing Times
Scintillating Background Music for Tasty Coffee
Elegant Jazz Violin - Background for October Clarity
Acoustic Guitar Quartet - Music for Mellow Recliners
Organic Guitar Music - Background for Another Chill Evening
Carefree Background Music for Thinking Shadows
Artistic Background Music for Calming Down Lounges
Jazz Violin - Ambiance for Rejuvenating October
Groovy Piano Bossa Duo - Ambiance for Warm Memory
Music for Stress Managing (Trumpet, Soprano Sax, Tenor Sax and Guitar)
Piano Bossa Duo - Ambiance for Sweet Clouds
Backdrop for Discovering Room - Successful Piano Bossa Nova Duo
Trumpet Bossa - Background for Stress Managing
Music for Inspired Fall - Soprano Sax Solo
Music for Peaceful Smiles - Spirited Soprano Sax Solo
Music for Discovering Passion (Soprano Sax Solo)
Music for Vibrant Streets (Jazz Quintet)
Magical Music for Painful Blues - Jazz Quintet
Backdrop for Rainbow Times - Simple Jazz Quintet
Paradise Like Music for Composed Nights - Latin Piano Jazz
Sophisticated Background Music for Inspiring Abstracts
Bossa Guitars - Background Music for Cute Celebration
Music for Novembers Momentum (Latin Piano Jazz)
Marvellous Ambiance for Occassional Happenings
Music for Accepting Pictures - Harmonica Solo
Music for Nocturnal Nights - Jazz Quintet
Vivacious Acoustic Smooth Jazz Guitar - Background for Brave Acoustics
Sumptuous Background for Nocturnal Nights
Quartet Jazz - Background for Tropical Joys
Quartet Jazz - Ambiance for Alternative Oceans
Soprano Sax Solo (Music for On Cloud Nine)
Music for Sleepy Winter Nights - Vibrant Latin Music
Latin Trumpet - Background for Cozy in Winter
Carefree Music for Cozy in Winter - Latin Music
Jazz Trio - Background for Breezy Winter Feels
Wondrous Jazz Trio - Ambiance for Breezy Winter Feels
Mysterious Piano Jazz Duo - Background for Calming Lounges
Happy Piano Duo Jazz - Bgm for Coffee Escapes
Piano Jazz Duo - Ambiance for New Year Spirits
Scintillating Background for January Jazzes
Cultivated Background Music for Easy Resolutions
Elegant Guitar Jazz - Ambiance for Colorful Unwinding
Trio Jazz - Ambiance for Lazy Chill Peace
Music for Lazy Chill Peace - Hip Alto Sax
Friendly Trio Jazz - Ambiance for Mellowing Fridays
Simple Guitar Jazz - Ambiance for Luxurious Favorites
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