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 0x4d781d12dbcc653234791782a4097f3e0a19f8ef13b300d3c3e937412fc2b339. 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/fdfe5cac-d716-4ab5-8dfc-5889f037c9df.json and https://artists.proofprofile.net/proofs/artist/fdfe5cac-d716-4ab5-8dfc-5889f037c9df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tremendous Music for Travels - Bossanova
Bossa Trombone - Background Music for Calming Moments
Vibrant Music for Calming Moments - Bossanova
Innocent Music for Elegant Hotel Lobbies
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 0x8306b94bc2e072bd28bf1ebd66cc9c6b13f74d11d967a3ddb66c270286aac9ca. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/BGA471808522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc9a041f515db52d0f4e0ea857a6439d6a99c0b5234ace305601476e464af41. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/BGA471808531.
Background Music for Classic Hotel Lobbies
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb518ed30d9551f8fca72829542b59d086a662d795ff7527f4e773572534b573. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/BGA471808532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x112281c42122ee799ce565e438ec48d2f8bd3620fe67e6953d67e18137d36015. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/BGA471808533.
Instrumental Music for Classic Hotel Lobbies
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd0bbc5aec45605f11daeba30a99a0993a290be1b43f2ec814dcc8dc91260db9. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/BGA471808535.
Dashing Music for Work from Home - Electric Guitar
Charming Big Band - Ambiance for Reading
Sparkling Swing Big Band - Bgm for Work from Home
Sunny Music for Work from Home - Vibraphone
Phenomenal Piano Jazz - Bgm for Breakfast
Modish Jazz Piano - Ambiance for Dinner Time
Casual Bossa Nova - Background for Winter Mornings
Tenor Saxophone Solo - Music for Work from Home
Subdued Music for Cooking - Tenor Saxophone
Grand Jazz Trio - Background for Quarantine
Jazz Trio - Background for Cooking Dinner
Virtual Christmas - It Came Upon a Midnight Clear
God Rest You Merry, Gentlemen: Christmas 2020
Flute, Alto Saxophone and Jazz Guitar Solos - Music for Study Time
Brazilian Jazz - Ambiance for Study Time
Music for Weekend Getaways - Tenor Saxophone
Tenor Sax Jazz - Background for Coffee and Studying
Heavenly Tenor Sax Jazz - Ambiance for Working from Coffeehouses
Tenor Sax Jazz - Background for Working from Cafe
Backdrop for Cafe Focus - Inspired Trumpet Jazz
Superlative Background for Working from Coffeehouses
Backdrop for Breakfast Time - Trumpet and Alto Sax
(Trumpet and Soprano Sax Solos) Music for Cooking
Heavenly Bossa Saxophone - Background for Breakfast Dates
Bossa Trombone - Bgm for Breakfast Dates
Bossa Saxophone - Background for Dining Out
Music for Cooking (Trumpet and Soprano Sax)
Incredible Background Music for Hotel Lounges
Sprightly Music for Work from Hotel - Sax Jazz
Astounding Jazz Ballad - Bgm for Jazz Clubs
Incredible Music for Afternoon Moods - Trumpet and Alto Sax
(Trumpet and Alto Saxophone) Music for Studying at Cafes
Backdrop for Studying at Cafes - Vivacious Trumpet and Alto Sax
Trumpet and Alto Saxophone (Music for Cozy Rainy Days)
Jazz Trio - Background for Resting at Coffee Shops
Backdrop for Secret Bars - Big Band Ballad with Guitar
Backdrop for Happy Hour with Friends - Trumpet and Alto Sax
Vibrant Trio Jazz - Bgm for Evening Drinks
Astounding Music for Friday Night - Big Band Ballad with Guitar
Jazz Trio - Background for Happy Hour with Friends
Breathtaking Music for Evening Drinks - Trumpet and Alto Sax
Uplifting Big Band Ballad with Vibraphone - Ambiance for Friday Night
Sparkling Big Band Ballad with Vibraphone - Background for Cool Evenings
Music for Cool Evenings - Big Band Ballad with Guitar
Music for Friday Night (Big Band Ballad with Guitar)
Backdrop for Romantic Dinner - Trumpet and Alto Sax
Astonishing Jazz Trio - Background for Classy Restaurants
Modern Music for Monday Breakfast - Trumpet and Soprano Sax
Groovy Smooth Jazz - Background for Winter Moods
Backdrop for Living Room Time - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Trumpet Smooth Jazz - Background for Laying Down
Music for Commuting - Simple Trumpet and Soprano Sax
Smooth Jazz - Ambiance for Monday Breakfast
Groovy Smooth Jazz - Background for Cool Spaces
Music for Laying Down - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Successful Background Music for Monday Breakfast
Laid-back Music for Cold Nights - Trumpet and Soprano Sax
High Class Ambiance for Living Room Time
(Vibraphone and Tenor Saxophone Solos) Music for Holiday Travels
Music for Coffee in Lobbies - Vibraphone and Tenor Saxophone
Trumpet Smooth Jazz - Background for Lazy Days
Modern Jazz Quartet - Ambiance for Hotel Lobbies
Music for Caffe Latte (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Successful Music for Weekend Nights - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Go Tell It on the Mountain (Cozy Holidays)
Cheerful Trumpet Smooth Jazz - Background for Weekend Nights
Music for Chill Evenings - Heavenly Trumpet, Electric Piano, Alto Sax and Soprano Sax
Smooth Jazz - Background Music for Fun Vibes
Smooth Jazz - Background for Gourmet Restaurants
Quartet Jazz - Background Music for Holiday Travels
Music for Extended Vacations - Vibraphone and Tenor Saxophone
Lovely Bossa Saxophone - Ambiance for Meetups
Background Music for New Year Reflections
Successful Backdrop for New Year Reflections
Smoky Bossa Trombone - Bgm for Winter Holidays
Bossa Nova (Music for New Year Reflections)
Bossa Trombone - Background Music for Snowbirds
Awesome Background Music for Sunrise with Coffee
Astounding Guitar Chill Out - Ambiance for Rainy Mornings
(Chill Out Sax) Music for Sunrise with Coffee
Joyful Background Music for Sunrise with Coffee
Dashing Music for Champagne Brunches - Chill Out Guitar
Trumpet Smooth Jazz - Background for Weekday Getaways
Trumpet Smooth Jazz - Background for Winter Holidays
Music for Winter Holidays - Terrific Trumpet, Electric Piano, Alto Sax and Soprano Sax
Relaxing Clarinet Solo - Background for Jazz Bars
Music for Exclusive Restaurants - Trumpet Solo
Backdrop for Saturday DInner - Trumpet Solo
Music for Midweek Escapes - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Smooth Jazz Sax - Music for Midweek Escapes
High Class Clarinet Solo - Ambiance for Club Lounging
Music for Exclusive Restaurants - Hypnotic Trumpet Solo
Urbane Trumpet Smooth Jazz - Ambiance for Classic Resorts
Energetic Background for Classic Resorts
Clarinet Solo - Ambiance for Saturday DInner
Music for Recharging Breaks - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Backdrop for Breakfast Diners - Funky No Drums Jazz
Music for Coffee and Brunch - No Drums Jazz
Music for Brunch Meetups - Friendly No Drums Jazz
Energetic Background Music for Breakfast Diners
Cultured Jazz Guitar Solo - Bgm for Sweet Mornings
Trumpet Solo - Ambiance for Room Service Coffee
Exquisite Piano Jazz - Ambiance for Coffee and Fun
Music for Sweet Mornings - No Drums Jazz
Jazz Guitar Solo - Bgm for Room Service Coffee
Music for Lobby Cafes - Bright No Drums Jazz
Jazz Ballad (Music for Orange Espressos)
High-class Background Music for Fun Days
Trumpet Solo - Background for Orange Espressos
Backdrop for Wellness Vacations - Chill Out
Contemporary Background for Long Weekend Getaways
Chillout - Music for Long Weekend Getaways
Quintet Jazz - Background Music for Jazz Clubs
Dream Like Smooth Jazz Chill Out - Background for Wellness Vacations
Jazz Ballad - Background Music for Luxury Resorts
Carefree Music for Spring Break Getaways - Piano
Stylish Jazz Ballad - Bgm for Hotel Trips
Vibrant Piano Jazz - Background for Holiday Memories
Music for Spring Break Trips - Laid-back Piano
Backdrop for Tokyo Clubs - Breathtaking Piano
Music for New Creativity (No Drums Jazz)
Suave Trumpet Solo - Ambiance for Work Productivity Hacks
Sophisticated Background Music for Tokyo Moods
Jazz Ballad - Background Music for Tokyo Jazz Clubs
(Vibraphone and Tenor Saxophone Solos) Music for Favorite Coffee Orders
Backdrop for Relaxing Spring Time - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Sensational Trumpet Smooth Jazz - Background for Foggy Days
Music for Deep Working - Trumpet and Alto Sax
Music for Favorite Coffee Orders - Vibraphone and Tenor Saxophone
Brilliant Ambiance for Relaxing Spring Time
Music for Tokyo Coffee Bars - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Music for LA Coffee Clubs - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Tasteful Jazz Trio - Background for Hotel Restaurants
Laid-back Trumpet Smooth Jazz - Background for LA Coffee Clubs
Trumpet and Alto Saxophone - Music for Workcation
Trumpet Smooth Jazz - Background for NYC Cafe Bars
Piano Jazz - Background for Inspiring Coffee
Atmospheric Background for Inspiring Coffee
Music for Low Key Mornings - Soprano Sax Solo
Trumpet Smooth Jazz - Background for May Travels
Smooth Jazz - Background Music for Inspiring May
Quartet Jazz - Ambiance for Slacking Off Sundays
Wicked Jazz Trio - Ambiance for Seasonal Chill Time
Music for June Gloom - Mind-blowing Soprano Sax Solo
Wondrous Backdrop for Seasonal Chill Time
Jazz Organ and Guitar Solo (Music for Seasonal Chill Time)
Sumptuous Music for Relaxing Overtones - Trumpet, Soprano Sax, Tenor Sax and Guitar
Trumpet Bossa - Background for Deluxe Ballads
Magnificent Latin Guitar - Bgm for Espresso Tonics
Backdrop for Lemongrass Iced Coffee - Latin Music
Feelings for Energizing Coffee Beverages
Jazz Violin - Background for Summer Blues
Music for Sunday Morning Relaxings (Soprano Sax Solo)
Spacious Jazz Violin - Ambiance for Summer Blues
Music for Happy Fridays (Soprano Sax Solo)
Saxophone Bossa - Bgm for Lounging Summer
Lonely Background Music for Mystical Days
Music for Serious Study - Lovely Trumpet, Soprano Sax, Tenor Sax and Guitar
Carefree Trio Jazz - Bgm for Complete Resting
Smooth Backdrop for Morning Wellness Coffee
Extraordinary Trumpet Bossa - Background for Refreshing Iced Coffee Drinks
High Class Music for AM Throwbacks - Jazz Organ and Guitar
Backdrop for Summer Feel - Terrific Soprano Sax Solo
Thrilling Acoustic and Electric Piano Jazz Duo - Bgm for Morning Sunshine
(Piano Jazz Duo) Music for Comfortable Moments
Music for Pleasant Nights (Harmonica Solo)
Backdrop for September Dream - Jazz Organ and Guitar
Background Music for Comfortable Moments
Quiet Music for Just Relaxing Monday - Harmonica Solo
Music for Autumn Beginning - Cultured Jazz Organ and Guitar
Alluring Background Music for Fun in Summer
Bright Music for Seasonal Thought - Jazz Organ and Guitar
Music for Summer Thrill (Jazz Organ and Guitar)
Music for The Presence (Jazz Guitar Solo)
Acoustic and Electric Piano Jazz Duo - Bgm for Invisible Coffee
Binaural: Tuning Fork Healing Music Vol. 1
Quartet Jazz - Ambiance for The Presence
High Class - Fun - Ambiance for Completely Present
High-class Latin Trumpet - Ambiance for October Aura
Binaural Sounds: Destiny to Dream Vol. 1
Latin Trumpet - Ambiance for Dawning Lights
Music for Breezy Moments (Jazz Guitar Solo)
Glorious Bossa Guitar Trio - Background for Lush Tunes
Son Montuno - Music for Autumn Collections
Background Music for Calming Down Lounges
Jazz Violin - Background for Rejuvenating October
Music for Another Chill Evening (Acoustic Guitars)
Music for Infinite Selects (Bossa Guitar Trio with Jazz Organ)
Jazz Violin - Background for October Clarity
Music for Mellow Recliners (Acoustic Guitars)
Backdrop for Loafing Evening - Bossa Guitar Trio with Jazz Organ
Retro Piano Bossa Duo - Background for Warm Memory
Music for Warm Memory - Heavenly Piano Bossa Nova Duo
Music for Accepted Hope - Excellent Soprano Sax Solo
Music for Stress Managing (Trumpet, Soprano Sax, Tenor Sax and Guitar)
Playful Music for Fresh Feelings - Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for Reading and Resting - Trumpet, Alto Sax and Tenor Sax
Wondrous Trumpet Bossa - Ambiance for Cool Autumn
Astonishing Bossa Nova Piano Duo - Bgm for New Sunshine
Music for New Experiences - Smoky Trumpet, Soprano Sax, Tenor Sax and Guitar
Lofi Vibes: Serene Lofi Beats To Chill Out Tonight
Music for Insomnia Relief (Bossa Guitar Trio with Jazz Organ)
Jazz Violin - Ambiance for Crazy Solution
Deluxe Jazz Violin - Background for SIlent Solutions
Jazz Violin - Ambiance for SIlent Solutions
Backdrop for SIlent Solutions - Jazz Quintet
Terrific Background Music for Gold Winter
Bossa Guitar Trio - Ambiance for Cooling Down
Quintet Jazz - Music for Sunshine Intros
Latin Piano Music - Music for Winters Love
Music for Magical Selections - Sophisticated Bossa Guitar Trio
Latin Piano Music (Music for Dreamy Abstracts)
Easy Listening Piano - Ambiance for Inspiring Lullaby
Jazz Violin - Ambiance for Sunshine Intros
Outstanding Jazz Organ - Bgm for Perfect Energy
Bubbly Acoustic Smooth Jazz Guitar - Background for Accepting Pictures
Guitar Solo - Music for Accepting Pictures
Music for November Nocturnal - Amazing Jazz Quintet
Music for Nocturnal Nights - Jazz Quintet
Music for Tropical Joys (Jazz Guitar Solo)
Massage: Entire Body Relaxation with Rain Sounds Vol. 1
Music for Handmade Blues (Jazz Guitar Solo)
Music for Calm December Days - Latin Music
Groovy Latin Trumpet - Ambiance for Calm December Days
Latin Trumpet - Ambiance for Calm December Days
Music for Breezy Winter Feels - Sultry Jazz Organ and Guitar
Lovely Rainy Evening Relaxed Ambience Vol. 1
Hypnotic Jazz Trio - Background for Vague Details
Inspired Jazz Trio - Ambiance for Soft Mornings
Piano Jazz Duo - Background for Lush Weekends
Breathtaking Piano Jazz Duo - Ambiance for Misty Sunday
Study: Memorization Tasks with Binaural Music Vol. 1
Jazz Piano Duo (Music for Sunny Morning)
Subtle Guitar Jazz - Background for Colorful Unwinding
Ambient Background Music Peaceful Eternity Vol. 1
Warm Music for Private Acoustics - Alto Sax
Easy Guitar Jazz - Ambiance for Colorful Unwinding
Peaceful Beat of Piano: Thunder Soothing Sleep Melody
Jazz Organ - Background Music for Feel Good Morning Time
街の散歩にリラックス・チューン
おうちでのドギー・スパ・ビート
Evening Cityscape Glow: Urban Jazz Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec02ecf82e5545f0ffeffb40f8cc7ccb7c4ccad592326a17febc085bdaa0c65. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T17:39:49Z), 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/QZ5FN2480685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7abcde9bbe95bf0623a4abcff2d908f8412b9bdea97fc585fa3551c94bd08180. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/QZ5FN2480694.