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 0x9d615ed57e9b884f5cbcf3152e108c806afe28a29827757935345d98d10ea573. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/427e68eb-c043-4244-8d56-d6e859073344.json and https://artists.proofprofile.net/proofs/artist/427e68eb-c043-4244-8d56-d6e859073344.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 0x640dac843fbaa9f52258231e96454001e70605a75b4baab4604c9179acafcbef. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T15:07:00Z), 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/BGA471903303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x949111caff261a031011ef79ffe22b60ad99580b6091982c1c9334a17e9875b0. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/BGA471903306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa79f6d9cc536f098a89ef67321a60157848838185e9c48fa45e9ea059f437749. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T15:58:07Z), 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/BGA471903307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a1ff74f223f631f96ff48d773472b6ba30b2145df3c5ae5cb1c667626044ae5. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T18:17:18Z), 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/BGA471903310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbc934dda6c0fa1b2fbeb9d877f407112e29aa1b08d217984a73482d706538d9. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T16:41:05Z), 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/BGA471903314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151bad044bb43ee5e203cf64cdb6f57e1c75cfe8edd23d523d236c5cfb8355b9. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/BGA471903315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0206d93834a725661df6d481feae8f6180099506a8bdf218f08154f8978afcda. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/BGA471903321.
Music for Morning Vibes - Dashing Chill Out
Guitar Chill Out - Background Music for Cortados
Extraordinary Background for Weekend Relaxing
Guitar Chill Out - Background Music for Sunday Brunches
Classic Music for Sunny Days - Chill Out
Uplifting Smooth Jazz Chill Out - Ambiance for New Year Vibes
Guitar Chill Out - Bgm for Sunday Brunches
Stylish Music for Hotel Lounge Bars - Trumpet and Alto Sax
Music for Dinner and Drinks (Trumpet and Alto Sax)
Music for Winter Vibes (Trumpet and Soprano Sax)
Trio Jazz - Background Music for Evening Cocktails
Music for Cocktail Times - Majestic Trumpet and Alto Sax
Carefree Smooth Jazz Ballad - Bgm for Good Moods
Jazz Trio - Background for Hotel Lounge Bars
Music for Good Moods (Trumpet and Soprano Sax)
Trumpet and Soprano Sax Solos - Music for Chill Mornings
Backdrop for Good Moods - Bright Trumpet and Soprano Sax
Festive Clarinet Solo - Ambiance for Saturday DInner
Serene Clarinet Solo - Background for Saturday DInner
Clarinet Solo - Background for Secret Bars
Artistic Clarinet Solo - Background for Club Lounging
Backdrop for Club Lounging - Trumpet Solo
Music for Pleasant Evenings - Big Band Ballad with Guitar
Luxurious Background for Restaurant Lounges
Music for Restaurant Lounges (Big Band Ballad with Guitar)
Grand Big Band with Tenor Sax - Bgm for Happy Days
Jazz Ballad - Background Music for Trendng
Excellent Big Band with Tenor Sax - Bgm for Happy Days
Jazz - Background Music for Searching for Creativity
Heavenly Jazz Trio - Ambiance for Hotel Club Lounges
Heavenly Jazz Trio - Ambiance for Fine Dining Establishments
Fun Music for March Moments - Trumpet, Alto Sax and Tenor Sax
Backdrop for New Vibes - Trumpet, Alto Sax and Tenor Sax
Music for March Moods - Trumpet, Alto Sax and Tenor Sax
Music for Hotel Club Lounges - Trumpet and Alto Sax
Music for Fun Luncheons (Trumpet and Alto Sax)
Jazz Trio - Background for Cocktail Nights
Jazz Trio - Ambiance for Cocktail Nights
Music for Afternoon Tea Time - Amazing Trumpet and Alto Sax
Trumpet and Alto Saxophone - Music for Steak Dinner
Music for Midweek Workcations (Trumpet and Alto Sax)
Music for Luxury Dining - Atmospheric Trumpet and Alto Sax
Music for Hotel Lunches - Grand Trumpet and Alto Sax
Backdrop for Midweek Workcations - Smart Trumpet and Alto Sax
Trumpet and Alto Saxophone (Music for Luxury Staycations)
Music for Fashionable Eateries - Exciting Jazz Ballad
Fashionable Ambiance for Weekend Hotel Stays
Smooth Jazz Chill Out - Ambiance for Weekend Holidays
Music for Weekend Holidays - Lively Chill Out
Backdrop for Luxury Staycations - Carefree Trumpet and Alto Sax
Vintage Jazz Guitar - Background for Fresh Gourmet
Backdrop for Tuesday Dinner - Excellent Trumpet and Alto Sax
Music for Fine Dining at Hotels - Peaceful Trumpet and Alto Sax
Quiet Background Music for April Vacations
Easy Background Music for Lobby Cocktail Lounges
Trumpet and Alto Saxophone (Music for Fine Dining at Hotels)
Atmospheric Jazz Trio - Background for Hotel Lounge Bars
Music for Early Spring - Big Band Ballad with Guitar
Music for Rejuvenating Creativity - No Drums Jazz
Backdrop for Spring Days - Big Band Ballad with Guitar
Scintillating Backdrop for Creative Aprils
Cuban Big Band - Background Music for Seasonal Stories
Backdrop for Quiet Day Moods - Brilliant No Drums Jazz
Groovy Latin Big Band - Background for Seasonal Stories
Spacious Background for Rejuvenating Creativity
Sunny Background Music for Simple Reflections
Debonair Background Music for Spring Days
Music for Rejuvenating Creativity - Sunny No Drums Jazz
Music for Happy Spring Moments - Heavenly Big Band Ballad with Guitar
Big Band Ballad with Vibraphone - Background for Study and Sleep Moods
Backdrop for Cold Night - Extraordinary Trumpet, Electric Piano, Alto Sax and Soprano Sax
Delightful Background for Relaxing Spring Time
Music for Happy Spring Moments (Big Band Ballad with Guitar)
Mind-blowing Jazz Quartet - Ambiance for Late Night Unwinding
Superlative Trumpet Smooth Jazz - Background for Rainy April
Music for Mental Health Days at Home (Vibraphone and Tenor Saxophone)
Music for Foggy Days (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Music for Spring Storms - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Music for Aesthetic Vibes - Smooth Big Band Ballad with Guitar
Backdrop for Fresh Java Spots - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Music for London Espresso Bars - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Swanky Background for Boutique Coffee Roasters
Atmospheric Piano Jazz - Background for Fresh Javas
Quartet Jazz - Background for Jazz Bars and Lounges
Piano Jazz - Ambiance for Coffee and Focus
Awesome Background for Cozy Rainy Nights
Music for Fun in May - Delightful Jazz Guitar Solo
Piano Solo - Music for Night Time Coffee
Music for Sleepy Jazz - Jazz Organ and Guitar
Outstanding Jazz Trio - Background for Kitchen Moments
Tenor Sax Solo - Music for Chill Imaginations
Stellar Music for Mellowing Out - Soprano Sax Solo
Grand Trumpet Smooth Jazz - Ambiance for May Moments
Soulful Trumpet Smooth Jazz - Ambiance for May Moments
Jazz Trio - Background for Summer Momentums
Music for Fun Dreamscapes - Astonishing Jazz Guitar Solo
Uplifting Jazz Quartet - Bgm for Summer Styling
Quartet Jazz - Ambiance for Fun Dreamscapes
Backdrop for Mellow June Mornings - Jazz Guitar Solo
Music for Mellow Junes - Grand Jazz Organ and Guitar
Jazz Violin - Background for Stopping Work
Magnificent Jazz Violin - Background for Wonderful Imagination
Wondrous Quartet Jazz - Bgm for Jazz and Chill
Phenomenal Trio Jazz - Bgm for Summer and Relax
Backdrop for Calming Summer - Remarkable Jazz Quintet
Quartet Jazz - Background for Sixth Senses
Music for Colorful Keynotes - Spectacular Jazz Quintet
Smoky Background for Wonderful Imagination
Quartet Jazz - Background for Bohemia Vibes
Sensational Saxophone Bossa - Bgm for Lively Overtones
Inspired Trumpet Bossa - Background for Soft Melodies
Guitar Bossa Nova (Music for Deluxe Ballads)
Music for Soft Melodies (Trumpet, Soprano Sax, Tenor Sax and Guitar)
Music for Summer Classics - Relaxed Soprano Sax Solo
Quartet Jazz - Background Music for Summer Classics
Bubbly Jazz Violin - Background for Midsummer Flings
Quartet Jazz - Ambiance for Happy Fridays
Astounding Background for Summer Classics
Heavenly Trumpet Bossa - Ambiance for Mind Hours
Music for Mind Hours - Trumpet, Soprano Sax, Tenor Sax and Guitar
Fiery Music for Serious Study - Trumpet, Soprano Sax, Tenor Sax and Guitar
Superlative Ambiance for Refreshing Iced Coffee Drinks
Music for Morning Wellness Coffee - Lovely Trumpet, Soprano Sax, Tenor Sax and Guitar
Quartet Jazz - Ambiance for August Modes
Laid-back Music for Cooling Summer - Soprano Sax Solo
Lively Music for Fall Vacation - Jazz Organ and Guitar
Music for Late Summer Blue - Cool Jazz Organ and Guitar
Music for Late Summer Blue - Jazz Organ and Guitar
Backdrop for Summer Thrill - Jazz Organ and Guitar
Bright Jazz Trio - Background for Seasonal Thought
Lovely Music for Deep Season - Jazz Organ and Guitar
(Jazz Organ and Guitar Solo) Music for Fun in Summer
Inspiring Background Music for Dusk Lights
Music for Completely Present - Lovely Jazz Guitar Solo
Successful Background for Breezy Moments
Tremendous Ambiance for Decompressing and Coffee
Marvellous Backdrop for Autumn Collections
Artistic Bgm for Decompressing and Coffee
Phenomenal Background for Fall Cleansing
Music for October Mindfulness - Lonely Jazz Quintet
Grand Organic Guitar Music - Background for Another Chill Evening
(Acoustic Guitar Quartet) Music for Sleeping Mixes
Sensational Jazz Violin - Background for October Mindfulness
Music for Mind Soothing Fall - Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for Accepted Hope (Soprano Sax Solo)
Music for Stress Managing (Trumpet, Soprano Sax, Tenor Sax and Guitar)
Astonishing Music for Sweet Clouds - Alto Sax
Refined Backdrop for Discovering Passion
Quartet Jazz - Background for Inspired Fall
Quartet Jazz (Music for Accepted Starts)
Bright Background Music for SIlent Solutions
Fiery Jazz Violin - Ambiance for Rainbow Times
Jazz Organ - Background Music for SIlent Solutions
Swanky Easy Listening Piano - Ambiance for Dreamy Abstracts
Soulful Jazz Violin - Ambiance for Upbeat Ways
Delightful Backdrop for Novembers Momentum
Jazz Violin - Ambiance for Sure Laughter
Atmospheric Background for Best Horizons
Bossa Nova Guitar - Music for Accepting Times
Astonishing Ambiance for Morning Pictures
Backdrop for Perfect Energy - Jazz Quintet
Cultured Music for Inspiring Abstracts - Latin Piano Jazz
Music for Old-Fashioned Originals - Beautiful Jazz Quintet
Spacious Jazz Violin - Background for Noteworthy Events
Music for Old-Fashioned Originals - Jazz Quintet
Easy Listening Piano - Background for Daring Goals
High-class Music for Important Goals - Latin Piano Jazz
Backdrop for Joyful Music - Wondrous Harmonica Solo
Soprano Sax Solo - Music for Jolly Victory
(Soprano Sax Solo) Music for On Cloud Nine
Jazz Quartet - Background Music for Jolly Victory
Music for Sleepy Winter Nights - Latin Music
Latin Guitar - Bgm for Calm December Days
Latin Trumpet - Background for Coffee House Winters
Marvellous Backdrop for Calm December Days
Friendly Jazz Trio - Background for Vague Details
Inspiring Background Music for Vague Details
Music for Calming Lounges - Phenomenal Piano Bossa Nova Duo
Extraordinary Music for Private Moment - Piano Bossa Nova Duo
Piano Bossanova Duo (Music for Lush Weekends)
Music for January Jazzes - Sultry Piano Duo
Thrilling Jazz Guitar - Bgm for Luxurious Favorites
Vintage Music for Wave Thoughts - Alto Sax
Backdrop for Hanging Loose Nights - Successful Alto Sax
Guitar Jazz - Background for Comfortable Afternoon
Soulful Guitar Jazz - Background for Digital Dreams
Manténgase enfocado con música relajante
Serene Lullabies: Jazz Piano's Gift to Baby Sleep