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 0x4cae3ead5aaf475a35472a3cf6b0f1b638e3a793e0a1dbaab5903e432d27075a. 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/0660660d-c159-4fb7-9080-1313bb3b264b.json and https://artists.proofprofile.net/proofs/artist/0660660d-c159-4fb7-9080-1313bb3b264b.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 0x504543a8441a360d1d02758d66e31d2b003b17d6ac5eb45579f6622ac4daad52. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/BGA471901465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34d8a80cf191c4450e46e25e6b711048e62777adb672f7f11d5dd11e401842d6. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/BGA471901466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99fb89c4e8c71e02355175553437d4bfc62444459c811715ddc51eb7b2142ea1. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/BGA471901469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c3e6792620be1addc818c9c0a3d8a9e17eae605db571bda9479c43049f74a9. 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/BGA471901470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bd24b47a9dd5a32dc306d501cfbab850ae0cc207caa4c81755dc9444459a175. 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/BGA471901471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6894861030b4976e18aad6358bfc7c1200e1cfa068873ac28c9e0f6f4ea72e68. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/BGA471901472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe05ca259647cdde5e5bedcb6ac6d11abb0a37c50b3e1b7f79c8b1301fa6b58d0. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T13:05:05Z), 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/BGA471901475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf11b2766e4a75d51f42717f9c87a7a30dd2aebe8c67d969c3512e0f9ac508255. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/BGA471901478.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddeb600f9534c86dd2cbbd54c229a3949a607d9a74fbda16da29c9a55513cfcf. Chain 2 (Bitcoin): anchored in block 958399 (2026-07-17T10:39:51Z), 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/BGA471901479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc675404bd2c982d743c2fc4d78285d1b6833f36f83c68822c613b80e7d31994e. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/BGA471901480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb41312d7a50c681c98126e8742d870d23876faaeceb010e06ac6da5e3dcc2d94. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/BGA471901481.
Smooth Relaxing Background Jazz Sessions
Music for Sunrise with Coffee - Carefree Chill Out Guitar
Music for Recharging Breaks (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Breathtaking Background for Midweek Escapes
Smooth Jazz - Background Music for Classic Resorts
Music for Weekday Getaways (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
(Smooth Jazz Sax) Music for Recharging Breaks
Music for Breakfast Diners - Retro No Drums Jazz
Trumpet Solo - Background for Sweet Mornings
Big Band Ballad with Vibraphone - Ambiance for Starting the Day Off
Backdrop for Morning Sunrise - Big Band Ballad with Guitar
Music for Positive Moods (Big Band Ballad with Guitar)
Music for Breakfast Diners - No Drums Jazz
Big Band with Tenor Sax - Bgm for Daily Routines
Exquisite Background Music for Daily Routines
Trumpet Solo - Background for Breakfast Diners
Music for Orange Espressos (No Drums Jazz)
Music for Hotel Brunches - Deluxe No Drums Jazz
Happening Music for Coffee with Friends - Piano
Extraordinary Ambiance for Morning Downtime
Music for Coffee and Fun - Relaxing Piano
Phenomenal Music for Room Service Coffee - No Drums Jazz
Music for Orange Espressos - Funky No Drums Jazz
Smart Background Music for Divine Cuisine
Jazz Guitar - Background for Cool Dining
Trumpet and Alto Saxophone (Music for Top Restaurants)
Tremendous Clarinet Solo - Background for Jazz Clubs
Fashionable Bgm for Fashionable Eateries
Music for Midweek Staycations - Modern Chill Out
Smooth Jazz Chill Out - Background for Long Weekend Getaways
Smooth Jazz Chill Out - Ambiance for Long Weekend Getaways
Music for Top Restaurants - Trumpet and Alto Sax
Jazz Trio - Background for Cocktail Nights
Smooth Jazz Chill Out - Ambiance for Midweek Staycations
Music for Whiskey Bars - Simplistic Trumpet Solo
Backdrop for Weekend Holidays - Chill Out
Trio Jazz - Bgm for Lobby Cocktail Lounges
Music for Evening Drinks - Sprightly Trumpet and Alto Sax
Spacious Music for Spring Break Getaways - Piano
Backdrop for Spring Break Getaways - Charming Piano
Trio Jazz - Background Music for Happy Hour at Hotels
Charming Background Music for Fine Dining at Hotels
Piano Jazz - Background for April Vacations
Music for Evening Drinks - Relaxed Trumpet and Alto Sax
Trio Jazz - Background Music for Lobby Cocktail Lounges
Music for Downing Espresso - Cultivated Bolero
Suave Music for Seasonal Stories - Bolero
Quiet Ambiance for Double Caffeine Fixes
Understated Background Music for Inspiring Ideas
Majestic Trumpet Solo - Background for Work Productivity Hacks
Incredible Big Band with Tenor Sax - Bgm for Early Spring
Bright Trumpet Solo - Ambiance for Quiet Day Moods
Trumpet Solo - Ambiance for Creative Aprils
Big Band with Tenor Sax - Bgm for Late Spring
Music for April Strength - Playful Bolero
Music for Creative Energies - Laid-back No Drums Jazz
Wicked Ambiance for Thoughtful Afternoons
Music for Downing Espresso - Tasteful Bolero
Backdrop for Quiet Day Moods - Casual No Drums Jazz
Sultry Piano Jazz - Ambiance for Tokyo Jazz Clubs
Trumpet Solo - Ambiance for Rejuvenating Creativity
Tasteful Trumpet Solo - Background for New Creativity
(Trumpet and Alto Saxophone) Music for Study Focus
Relaxed Music for Lunch with Co Workers - Soprano Sax Solo
Tenor Sax Solo - Music for Late Thursday Lunches
Music for Study Focus - Trumpet and Alto Sax
Mellow Trio Jazz - Bgm for Long Study Sessions
Music for Weekday Wellness - Soprano Sax Solo
Pulsating Smooth Jazz - Bgm for Spring Storms
Music for Deep Working - Trumpet and Alto Sax
Trumpet Smooth Jazz - Background for Spring Storms
Smooth Jazz Sax (Music for Spring Storms)
Carefree Quartet Jazz - Background for Enjoying Lunch
Echoes of Creating while Drinking Coffee
Music for Late Thursday Lunches - Soprano Sax Solo
Music for LA Coffee Clubs - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Jazz Trio - Background for Summer Holiday
zZz Warmhearted Bossa Nova Collective zZz
Music for Boutique Coffee Roasters (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Trumpet Smooth Jazz - Ambiance for LA Coffee Clubs
Music for Fresh Java Spots - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Backdrop for Creativity Cafe - Happy Piano
Guitar Bossa Nova - Music for Mellow May
Dashing Background Music for Fresh Javas
Backdrop for Morning Road Trips - Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for Kitchen Moments (Jazz Organ and Guitar)
Mind-blowing Smooth Jazz - Bgm for Early Summer Changes
Music for Vacations in May (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Modish Quartet Jazz - Background for Summer Routines
Music for Seasonal Chill Time (Jazz Guitar Solo)
Music for Summer Exploring - Amazing Soprano Sax Solo
Awesome Music for Seasonal Chill Time - Jazz Guitar Solo
Quartet Jazz - Background Music for Sixth Senses
Music for Night Fever (Soprano Sax Solo)
Backdrop for Peak Jazz Academies - Groovy Jazz Quintet
Music for Peak Jazz Academies - Jazz Quintet
Playful Music for Wonderful Imagination - Jazz Quintet
Casual Music for Night Fever - Soprano Sax Solo
Sublime Music for Colorful Keynotes - Jazz Quintet
Music for Wonderful Overtones - Jazz Quintet
Fabulous Quartet Jazz - Bgm for Night Fever
vVv Morning Cafe Relaxing Background Jazz Music vVv
Trumpet Bossa - Background for Relaxing Overtones
Music for Cafe Summer - Groovy Jazz Quartet
Number One Tenor Sax Jazz - Background for Summer Songs
Warm Latin Trumpet - Background for Iced Coffee for Summer
Music for Espresso Tonics - Refined Latin Music
Groovy Jazz Violin - Background for Pure Daydreamers
Music for Summer Delight - Soprano Sax Solo
Backdrop for Summer Classics - Magnificent Soprano Sax Solo
Music for Classic Daydreaming (Jazz Quintet)
Quartet Jazz - Ambiance for Happy Fridays
Paradise Like Bgm for Sunday Morning Relaxings
Quartet Jazz - Background for Summer Vibrations
Music for Lounging Summer - Trumpet, Soprano Sax, Tenor Sax and Guitar
Saxophone Bossa - Background Music for Calm Reflections
Saxophone Bossa - Bgm for Jazzy Recliners
Music for AM Throwbacks - Jazz Organ and Guitar
Music for Staying Cool - Trumpet, Soprano Sax, Tenor Sax and Guitar
Hip Trumpet Bossa - Background for Self Care and Coffee
Trumpet Bossa - Background for Summer Mode
Trumpet Bossa - Ambiance for Late Summer Vibe
(Guitar Bossa Nova) Music for August Moods
Contemporary Saxophone Bossa - Bgm for Summer Mode
Spectacular Trumpet Bossa - Background for Late Summer Vibing
Jazz Trio - Background for Autumn Beginning
Background Music for Last Minute Holidays
Festive Jazz Trio - Ambiance for Fall Vacation
Incredible Background for Seasonal Thought
Music for Fun in Summer (Jazz Organ and Guitar)
Subdued Trio Jazz - Bgm for Casual Summer Moment
Coffee Music: Cool Lofi Tunes To Play At A Coffee Store
Backdrop for Redemption Mode - Brilliant Jazz Organ and Guitar
Backdrop for Relaxed Dining - Stellar Jazz Guitar Solo
Music for Enlightened Moods (Jazz Guitar Solo)
Binaural: Awakening Your Higher Mind Vol. 1
Backdrop for The Presence - Classic Jazz Guitar Solo
Quartet Jazz - Background for Completely Present
In The Mood For Lo-Fi: Relaxing Lofi Beats For Your Coffee Shop
Music for Awakened Starlights (Jazz Guitar Solo)
Hot Music for Relaxed Dining - Jazz Guitar Solo
Majestic Music for Easy Vibes - Jazz Guitar Solo
Smart Latin Trumpet - Background for At The Hotel
Superlative Quartet Jazz - Ambiance for Essential Thoughts
Music for Meditative Peacefulness (Jazz Guitar Solo)
Meditation: Balance and Activation Music Vol. 1
Inspiring Latin Trumpet - Ambiance for Deep Realities
Quiet Guitar Quartet - Bgm for Mellow Recliners
Cultured Background Music for Fall Positive
Successful Background Music for Rejuvenating October
Mysterious Latin Guitar - Bgm for Cold October Nite
Relaxed Background for October Mindfulness
Music for Hypnotic October (Latin Music)
Backdrop for October Clarity - Jazz Quintet
High Class Music for Autumn Night Drives - Acoustic Guitars
Music for Mind Soothing Fall - Trumpet, Soprano Sax, Tenor Sax and Guitar
Backdrop for Morning Victory - Jazz Organ and Guitar
Saxophone Bossa - Bgm for Chill Contemplation
Spirited Background for Chill Contemplation
Music for Courageous Friday (Soprano Sax Solo)
Sophisticated Music for Stress Managing - Trumpet, Soprano Sax, Tenor Sax and Guitar
Superlative Ambiance for Supportive Hours
Opulent Trio Jazz - Bgm for Creative Sky
Binaural: Instrumental Music Extreme Relaxation Vol. 1
Trio Jazz - Background for Creative Flashback
Music for Peaceful Smiles - Soprano Sax Solo
Backdrop for Peaceful Smiles - Soprano Sax Solo
Trio Jazz - Background Music for Creative Sky
Lofi Vibes: The Best Lofi Ambiance For A Coffee Place
(Quartet Jazz) Music for Sounds of Success
Superlative Music for Rainbow Times - Jazz Quintet
Beautiful Music for Rainbow Times - Jazz Quintet
Music for Accepted Starts - Playful Jazz Quartet
Laid-back Easy Listening Piano Music - Bgm for Composed Nights
Easy Jazz Violin - Background for Sunshine Intros
Music for Best Horizons - Chilled Bossa Guitar Trio
Smoky Guitar Trio - Ambiance for Higher Tones
Sultry Jazz Violin - Background for Upbeat Ways
Smooth Music for Composed Nights - Latin Piano Jazz
Debonair Bossa Guitars - Bgm for Magical Selections
Fantastic Background Music for Perfect Energy
Joyful Acoustic Smooth Jazz Guitar - Background for Joyful Music
Music for Brave Acoustics (Harmonica Solo)
Easy Listening Piano Music - Background Music for Accurate Work
Music for Warm Sounds - Extraordinary Harmonica Solo
Backdrop for On Cloud Nine - Soprano Sax Solo
High Class Quartet Jazz - Background for Alternative Oceans
Massage: Rain Sound for Therapy and Wellness Vol. 1
Scintillating Quartet Jazz - Bgm for On Cloud Nine
Music for Alternative Oceans - Playful Soprano Sax Solo
Sprightly Ambiance for Sleepy Winter Nights
Binaural Meditation: Sound Therapy and Well-Being Vol. 2
(Jazz Organ and Guitar Solo) Music for Breezy Winter Feels
Backdrop for Unwinding Hope - Relaxed Jazz Organ and Guitar
Backdrop for Soft Memory - Delightful Jazz Organ and Guitar
Jazz Organ and Guitar Solo - Music for Unwinding Hope
Backdrop for Calming Lounges - Piano Duo
Jazz Piano Duo (Music for Easy Resolutions)
Piano Jazz Duo - Background for Luxurious Holiday
Stylish Guitar Jazz - Background for Jazzy Chills
Exquisite Trio Jazz - Background for Cooling Oceans
Debonair Background Music for Colorful Unwinding
Piano Duo and Alto Saxophone - Background Music for Lazy Chill Peace
Hypnotic Guitar Jazz - Ambiance for Relaxing Intros
Jazz Guitar - Background Music for Digital Dreams
Fashionable Ambiance for Breathing Shadows
Peaceful Piano Contemplation Music Vol. 1
Guitar Jazz - Ambiance for Gentle Nocturnals
Scintillating Guitar Jazz - Background for Losing Nostalgia
Inspired Jazz Guitar - Bgm for Thirsty Thursday
Lounge Lullabies: Jazz Melodies for Restful Sleep
Paws & Jazz: Coffee Shop Lounge for Pets
Jazz Lullaby Nights: Lounge Tunes for Restful Sleep
Midnight Jazz Canvas: Expressive Strokes of Nighttime Harmony
Mindful Jazz Piano Work Serenity: Calming Efficiency Harmony
Dynamic Jazz Fusion: Energies Collide Musically
Downtown Groove Nights: Electric Jazz Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb87291acfd4116fd9df9ab1a09b77f345bc4b94206d17a9f4ef893ce629b7e4. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:00:52Z), 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/QZ5FN2480502.
Elegant Club Grooves: Refined Jazz Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x162b0ed55b0ecb5453d3050c0ab836e89f6b651c96e6d5748591ae6ac7ce0522. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/GBPS85472385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x368b6b5a4e48f442d7105d96758563a9c3fb35bee34e1bf3b3d91d745f9c484b. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/GBPS83939596.
Jazz Tranquility Lounge: Coffee Shop Serenades for Relaxation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a0ee14d64cef35019d7b6dc9501aa4e5835fc4568fb0d0cd651b0668a658800. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DGA052341431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0410027eeb610a26a733fc3dc24b30dde15e91b5ba26a301e0e40bded610b2a9. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/DGA052341432.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch