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 0xe568f3c640015ecaae64bd7b4ed243ac26b979128d3bf41e35c5af95faf87386. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/91535af9-f45d-40cc-a6b9-a9e4a9a1c28a.json and https://artists.proofprofile.net/proofs/artist/91535af9-f45d-40cc-a6b9-a9e4a9a1c28a.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 0x0c0b12485575057d434b5deb91493f6caa1eb106b1895bda56bf56503df5f5da. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/BGA471719312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x671fcef1a9ba48ada815e2594f188785312ab8828abcd8c46883b786d90c7a5e. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/BGA471719316.
Music for High Class Coffee Shops - Bossa Nova
Music for Work from Home - Electric Piano and Alto Saxophone
Music for Reading - Electric Piano and Alto Saxophone
Chilled Bossa Nova - Background for Spending Holidays at Home
Christmas Dinner - It Came Upon a Midnight Clear
Christmas 2020 (God Rest You Merry, Gentlemen)
Backdrop for Working from Cafe - Charming Trumpet Jazz
Backdrop for Coffee and Studying - Tranquil Trumpet Jazz
Easy Tenor Sax Jazz - Background for Cafe Focus
Music for Coffee and Studying - Spacious Trumpet Jazz
Tenor Sax Jazz - Ambiance for Working from Cafe
Marvellous Background for Working from Cafe
Fabulous Jazz Trio - Background for Ordering In
Subdued Music for Afternoon Coffee Time - Trumpet and Soprano Sax
Outstanding Bgm for Afternoon Coffee Time
Cool Jazz Trio - Background for Dinner at Home
Astounding Background Music for Rainy Days
Elegant Bgm for Mental Health Improvement
Background Music for Mental Health Improvement
Mellow Tenor Sax Jazz - Ambiance for Self Soothing
Music for Chilling Out - Scintillating Trumpet and Alto Sax
Backdrop for Mental Health - Bubbly Trumpet and Alto Sax
Funky Music for Long Study Sessions - Trumpet and Alto Sax
Sparkling Music for Long Study Sessions - Trumpet and Alto Sax
Friendly Jazz Trio - Ambiance for Staying Focused
O Little Town of Bethlehem - Wholesome Christmas
Backdrop for Long Vacations - Classic Bossanova
High Class Bossa Trombone - Bgm for Breakfast Time
Smoky Bossa Saxophone - Ambiance for Travels
Relaxing Bossa Saxophone - Background for Coconut Cold Brew
Music for Horchata Lattes - Astounding Bossanova
High-class Guitar Chill Out - Bgm for Saturday Mornings
High-class Smooth Jazz Chill Out - Background for Saturday Mornings
Wondrous Music for Saturday Mornings - Chill Out
Backdrop for Hotel Cafes - Chill Out Guitar
Music for Champagne Brunches (Chill Out Guitar)
Guitar Chill Out - Background for Sunrise with Coffee
Brilliant Music for Sunrise with Coffee - Chill Out Guitar
Wondrous Ambiance for Sunrise with Coffee
Music for Champagne Brunches - Lively Chill Out Guitar
Pulsating Big Band with Tenor Sax - Bgm for Positive Moods
Jazz Guitar Solo - Background Music for Brunch Meetups
Laid-back Jazz Guitar Solo - Bgm for Brunch Meetups
Music for Positive Moods - Beautiful Big Band Ballad with Guitar
Backdrop for Morning Sunrise - Happening Big Band Ballad with Guitar
Mind-blowing Ambiance for Morning Downtime
Magnificent Trumpet Solo - Background for Good Memories
Backdrop for Funny Moments - Brilliant Piano
Laid-back Jazz Ballad - Bgm for Fun Days
Jazz Ballad - Music for Orange Espressos
Jazz Guitar Solo - Bgm for Room Service Coffee
Trumpet Solo - Background for Hotel Brunches
Dream Like Ambiance for Coffee with Friends
Music for Room Service Coffee (No Drums Jazz)
Terrific Jazz Ballad - Bgm for Funny Moments
Backdrop for Orange Espressos - Fantastic No Drums Jazz
Smooth Jazz for Work, Study, Chill, Coding
Vintage Smooth Jazz Chill Out - Ambiance for Wellness Vacations
Sparkling Guitar Chill Out - Bgm for Midweek Staycations
Relaxed Music for Jazz Clubs - Trumpet Solo
Music for Dixieland Vibes - Trumpet Solo
Smooth Jazz Chill Out - Ambiance for Long Weekend Getaways
Music for Hotel Dining - Swanky Chill Out
Music for Fashionable Eateries (Jazz Ballad)
Smooth Jazz Chill Out - Ambiance for Midweek Staycations
Casual Jazz Guitar - Ambiance for Eating Well
Smooth Smooth Jazz Chill Out - Ambiance for Hotel Dining
Music for Midweek Staycations (Chill Out)
Smooth Jazz Chill Out - Background for Wellness Vacations
Backdrop for Luxury Resorts - Subtle Piano
Astonishing Music for Spring Vacay - Piano
Carefree Music for April Vacations - Piano
Piano Jazz - Ambiance for April Vacations
Music for Seasonal Vibrations - Trumpet, Alto Sax and Tenor Sax
Joyful Jazz Ballad - Bgm for Quick Holidays
Backdrop for April Moods - Trumpet, Alto Sax and Tenor Sax
Piano Jazz - Background for Luxury Resorts
Tremendous Jazz Guitar Solo - Bgm for Creative Aprils
Music for New Creativity - Classic No Drums Jazz
Smooth Music for Late Night Unwinding - Vibraphone and Tenor Saxophone
Vibraphone and Tenor Saxophone Solos (Music for Calming Work from Home)
Music for Study Focus - Trumpet and Alto Sax
Music for Relaxing Spring Time - Subdued Trumpet, Electric Piano, Alto Sax and Soprano Sax
Trio Jazz - Background Music for Study Focus
Music for Rainy April - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Music for Deep Working (Trumpet and Alto Sax)
Sparkling Bgm for Boutique Coffee Roasters
Music for NYC Cafe Bars - Smoky Trumpet, Electric Piano, Alto Sax and Soprano Sax
Terrific Background Music for Boutique Coffee Roasters
Backdrop for Yesterdays Dreams - Majestic Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for May Moods - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Music for Calming Night - Soprano Sax Solo
Bright Music for May Travels - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Smooth Jazz - Background Music for May Travels
Dream-Like Background for Vacations in May
Music for Slacking Off Sundays (Soprano Sax Solo)
Simplistic Background Music for Mellow Junes
Music for Summer Routines - Soprano Sax Solo
Mysterious Quartet Jazz - Ambiance for June Gloom
Casual Music for Summer and Relax - Jazz Organ and Guitar
Quartet Jazz - Background for Summer Routines
Carefree Trumpet Bossa - Background for Energetic Keynotes
Lively Trumpet Bossa - Ambiance for Soft Melodies
Trumpet Bossa - Ambiance for Energetic Keynotes
Music for Soda and Java - Energetic Latin Music
Latin Trumpet - Background for Lemongrass Iced Coffee
Music for Soda and Java - Delightful Latin Music
Exquisite Jazz Violin - Ambiance for Midsummer Flings
Sumptuous Background Music for Midsummer Flings
Inspired Background Music for Summer Classics
Quartet Jazz - Ambiance for Summer Classics
Charming Jazz Violin - Background for Quiet in July
Groovy Trumpet Bossa - Background for Calm Reflections
Trumpet Bossa - Background for Jazzy Recliners
Trumpet Bossa - Background for Lounging Summer
Music for Coffee and Mental Health - Divine Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for Staying Cool - Artistic Trumpet, Soprano Sax, Tenor Sax and Guitar
(Tenor Sax Solo) Music for Those Summer Feels
Retro Quartet Jazz - Background for Summer Feel
Music for September Dream - Jazz Organ and Guitar
Jazz Organ and Guitar Solo (Music for Late Summer Blue)
Peaceful Acoustic Smooth Jazz Guitar - Background for Pleasant Nights
Easy Listening Piano Music - Bgm for Taking Time Off September
Successful Music for Acoustic Together - Latin Piano Jazz
Elegant Smooth Jazz Guitar - Bgm for Relaxing Experiences
Music for Autumn Beginning - Jazz Organ and Guitar
Music for Forgetting Time - Amazing Harmonica Solo
Backdrop for Fall Seasons - Smooth Jazz Organ and Guitar
Music for The Rewinding Times (Harmonica Solo)
Music for Low Frequency Autumns (Latin Piano Jazz)
Refined Acoustic Smooth Jazz Guitar - Ambiance for Just Relaxing Monday
Cultured Acoustic Smooth Jazz Guitar - Ambiance for Improving Work
Vibrant Ambiance for Casual Summer Moment
Music for Seasonal Thought (Jazz Organ and Guitar)
Quartet Jazz - Background for The Presence
Music for Enlightened Moods - Jazz Guitar Solo
Retro Music for Deep Realities - Latin Music
Latin Trumpet - Ambiance for October Aura
Music for The Relaxing Times (Jazz Guitar Solo)
Tremendous Background Music for Pure Moments
Awesome Background Music for Breezy Moments
Backdrop for Mellow Recliners - Luxurious Acoustic Guitars
Acoustic Guitar Quartet - Music for Calming Down Lounges
Majestic Background for Mellow Recliners
Music for Rejuvenating October - Jazz Quintet
Jazz Violin - Background for October Mindfulness
Modish Guitar Quartet - Bgm for Sleeping Mixes
Divine Background Music for Creative Flashback
Marvellous Background Music for Accepted Hope
Backdrop for Discovering Room - Spectacular Piano Bossa Nova Duo
Distinguished Trumpet Bossa - Background for Healing Octobers
Music for Accepted Hope (Soprano Sax Solo)
Lively Background Music for Courageous Friday
Wicked Trumpet Bossa - Ambiance for Stress Managing
Music for Discovering Passion (Soprano Sax Solo)
Music for Chill Contemplation - Trumpet, Soprano Sax, Tenor Sax and Guitar
Cultured Background for Sounds of Success
Simplistic Music for Crazy Solution - Jazz Quintet
Bari Sax Jazz - Background Music for Delightful Time
Jazz Violin - Background for Vibrant Streets
Backdrop for Magical Selections - Bossa Guitar Trio
(Latin Piano Music) Music for Composed Nights
Music for Upbeat Ways - Easy Jazz Quintet
Swanky Music for Accepting Times - Bossa Guitar Trio
Guitar Trio - Ambiance for Accepting Times
Extraordinary Ambiance for Inspiring Lullaby
Music for Winters Love - Divine Latin Piano Jazz
Mellow Music for Life Lists - Jazz Quintet
Jazz Violin - Ambiance for Sunshine Intros
Distinguished Backdrop for Dreamy Abstracts
Majestic Background Music for November Nocturnal
Mysterious Jazz Violin - Background for Occassional Happenings
Quintet Jazz - Music for November Nocturnal
Spirited Ambiance for November Nocturnal
Smooth Jazz Guitar - Bgm for Joyful Music
Backdrop for Alternative Oceans - Jazz Guitar Solo
Son Montuno (Music for Sleepy Winter Nights)
Latin Guitar - Bgm for Sleepy Winter Nights
Sophisticated Latin Trumpet - Background for Coffee House Winters
Music for Soft Memory - Subtle Jazz Organ and Guitar
Music for Soft Mornings - Joyful Jazz Organ and Guitar
Pulsating Piano Duo Jazz - Bgm for Private Moment
Wondrous Background Music for Calming Lounges
Piano Duo Jazz - Bgm for January Surprises
Background Music for Luxurious Favorites
Jazz Guitar - Background Music for Luxurious Favorites
Music for Hanging Loose Nights - Alto Sax
Joyful Trio Jazz - Background for Lazy Chill Peace
Sultry Music for Cooling Oceans - Alto Sax
くつろぎながらリモートワークするためのアルバム
Quartet Jazz - Bgm for Weekend Recoveries
Música De Estudio: Jazz Para Concentrarse Plenamente
Sonidos De Jazz: Canciones De Salón Para Masajes Rejuvenecedores
Patas Y Jazz: Serenos Sonidos De Cafetería Para Gatos
Mentalidad Jazz: Concentración En El Café Lounge
Jazz Music Echoes: Midnight Melody Swirls
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90061859c945a143cae09b1a29db89c31c24445006c1a8fc85949307f204a4cf. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZ5FN2480758.
Guitar Trio - Background for Coffee and Morning