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 0x5764abe0fc5defabb73bdf5277cb7da545878d5b9b9111ed6432d69af6eca969. 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/6f16354c-a70f-4ec5-a0c1-6189af68c2de.json and https://artists.proofprofile.net/proofs/artist/6f16354c-a70f-4ec5-a0c1-6189af68c2de.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Music for Self Care - Outstanding Trumpet Jazz
(Tenor Sax and Trumpet Solos) Music for Anxiety
Best Vintage Jazz – Mellow Sounds of Vintage Jazz for Relax, Smooth Instrumental Music for Cafe Club & Restaurant
City Lights - Night Music of Jazz, Cocktail Bar, Jazz with Candles
Vintage Jazz – Best Retro Chic Jazz, Melow Piano Sounds, Lounge Jazz, Smooth Background Jazz, Jazz Music
Smooth Jazz Vintage – Best Smooth Retro Jazz for Relax After Long Day, Jazz for Bar, Jazz Music for Lunch, Chilled Jazz, Background Music for Relaxation, Calming Piano Sounds, Jazz Music
Retro Jazz – Best Vintage Jazz, Old Smooth Vibes of Jazz, Perfect Background for Cafe Lounge & Restaurant, Jazz Club Background Music for Relaxation, Jazz Lounge
Bossa Jazz – Ambient Jazz, Jazz 2016, Cool Jazz, Soothing Music, Smooth Jazz, Jazz Piano
Jazz Vintage Lounge – Best Smooth Jazz, Sounds of Vintage Jazz, Cafe Lounge, Background Music for Relaxation, Jazz Lounge
Sunday Morning Jazz & Coffee – Smooth Jazz Music, Retro Jazz, Coffee Time with Instrumental Piano, Romantic Breakfast, Relax with Vintage Jazz
Soft Jazz for Cafe Restaurant – Vintage Jazz, Relaxing Music, Background Smooth Sounds, Chilled Jazz
Great Dating - In Bed Together, Love Letters, Joy, Red Roses, Red Wine, Two Glasses, Intimacy, Candlelight, Taste Wine
Smell Air - Old Times, Shadows of the City, Loneliness, Something Interesting
Romantic - Meeting with the Beloved, This Smile, Illuminated Look
Red Passion - Passionate Kisses, Seductive Look, Erotic Thoughts, Sensitive Touch, Dazzling Underwear
Smooth & Soft Jazz for Restaurant – Calming Background Music, Jazz Relaxation, Family Time, Cafe Bar
Vintage Paris Cafe – Instrumental Lounge, Paris Cafe with Soothing Jazz, Ambient Piano Jazz Is the Best Background Music to Restaurant & Cafe
Coffee for My Sweetheart - Dazzling Smile, Wonderful Morning, Nice Smell, Morning Shower, Interesting Melody, Cool Mood for Day
Snuggle Lovers - Presentation Feelings, Feeling Hot, Sweet Moments, Hot Chocolate with Marshmellows
All Blue - Favorite Melody, Rhythm Interesting, Happily, Meet for Coffee, Good Played
Sexy Piano Sounds – Jazz for Date, Restaurant Background Music, First Kiss, Beautiful Sounds for Lovers
Jazz with Coffee - Coffee Mug, Pacific Time, Moment of Good Music, Wonderful Sensation Sensual
Soft Piano Note – Jazz Music to Relax, Stress Relief, Smooth Sounds, Peaceful Mind
Morning Coffee – Lazy Sunday, Chilled Jazz, Pure Relaxation, Mellow Jazz, Calming Melodies, Soft Piano Music
Glamour Smooth Jazz from Luxury Night Club
Swing Cafè - American Vintage Cafè, Lounge Jazz Restaurant Bar Music
One More Coffee in Jazz Cafe: Smooth Jazz Music 2019 Compilation, Relaxing Sounds for Cafe, Background Songs for Friends Meeting
Blissful Coffee Hits: Instrumental Sounds for Restaurant, Coffee, Rest and Relax, Jazz Vibes, Cocktail Music, Ambient Jazz
Instrumental Music for Restaurant & Coffee – Ambient Jazz 2019
15 Shades of Guitar Jazz for Cafe: Instrumental Jazz Music, Guitar Music Background for Cafe, Drink Delicious Coffee & Eat Sweet Dessert with Love or Friends
Vintage Cafe Music 2020: Special Selection of 15 Smooth Instrumental Jazz Melodies, Relaxing Cafe Music, Sentimental Mood, Coffee Jazz, Lounge Jazz Background Music
Luxury Hotel Bar & Cafe Jazz Lounge Music Mix 2020
Meeting at the Palais Royal - Collection of Romantic Jazz Melodies for Lovers
Coffee Shop Piano Jazz: Solo Classy Piano Playlist for Organic Modern or Vintage Cafè
2021 Instrumental Jazz Club: Best Selection of Jazz, Evening with Jazz, Mood for Jazz
Downtown Old Cafe – Collection of Retro Jazz Music for Vintage Cafes and Bistros, 30’s Music, Instrumental
Chilled Tenor Sax Jazz - Ambiance for Casual Restaurants
(Tenor Sax and Trumpet Solos) Music for Dinner
Groovy Music for Indoor Dining - Trumpet Jazz
No Drums Jazz - Background Music for Coffee with Friends
Bartione Sax solo - Background for Coffee with Friends
Successful Music for Afternoon Lattes - Sax Jazz
Music for Resting at Coffee Shops (Trumpet and Alto Sax)
Music for Cocktail Bars - Subdued Sax Jazz
Mellow Trio Jazz - Bgm for Resting at Coffee Shops
Wonderful Background Music for Cozy Cafes
Energetic Background for Cozy Rainy Days
Music for Resting at Coffee Shops - Romantic Trumpet and Alto Sax
Backdrop for Rainy Days - Wondrous Sax Jazz
Jazz Blends at Your Local Cafe: Music Sensual Immersion, Easy Listening Jazz
Music for Drinks with Friends (Sax Jazz)
Sunny Bartione Sax solo - Background for Bars
Music for Work Energy - Brilliant Trumpet and Alto Sax
Backdrop for Work Energy - Trumpet and Alto Sax
Magical Music for Quiet Time - Big Band Ballad with Guitar
Music for Quiet Time - Big Band Ballad with Guitar
Music for Long Study Sessions (Trumpet and Alto Sax)
Big Band with Tenor Sax - Background Music for Quiet Time
Refined Big Band with Tenor Sax - Bgm for Autumn Moods
Trumpet and Alto Saxophone (Music for Final Exams)
(Trumpet and Alto Saxophone) Music for Long Study Sessions
Music for Reading Time - Dashing Big Band Ballad with Guitar
Opulent Big Band Ballad with Vibraphone - Background for Lunch Break
Backdrop for Lunch Dates - Happy Big Band Ballad with Guitar
Fiery Big Band Ballad with Vibraphone - Ambiance for Lunch at Work
Music for Coffee Bars - Big Band Ballad with Guitar
Big Band Ballad with Vibraphone - Ambiance for Cool Restaurants
Music for Weekends with Friends (Big Band Ballad with Guitar)
Excellent Background Music for Hanging Out
Alluring Big Band Ballad with Vibraphone - Background for Reading Time
Trumpet Smooth Jazz - Ambiance for Sunday Mornings
Big Band with Tenor Sax - Background Music for Lunch with Friends
Cool Music for Dinner Dates - Big Band Ballad with Guitar
Music for Brunch with Friends (Vibraphone and Tenor Saxophone)
Trumpet Smooth Jazz - Background for Sunday Mornings
Music for Diners (Big Band Ballad with Guitar)
Best of Jazz Ballads: Music for Cafe & Vintage Bar (Romantic Piano, Guitar & Smooth Saxophone Music for Coffee Brak)
Smooth Jazz Sax - Music for Sunday Mornings
Jazz Quartet - Background for Morning Coffee Time
Trumpet Smooth Jazz - Ambiance for Living Room Time
Backdrop for Relaxing Days - Inspiring Trumpet, Electric Piano, Alto Sax and Soprano Sax
Stylish Music for Morning Coffee Time - Vibraphone and Tenor Saxophone
Backdrop for Laying Down - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Music for Brunches (Big Band Ballad with Guitar)
Spectacular Background Music for Community Cafes
(Vibraphone and Tenor Saxophone Solos) Music for Holiday Travels
Fabulous Jazz Quartet - Ambiance for Room Service
Big Band Ballad with Vibraphone - Background for Happy Hours
Music for Coffee in Lobbies (Vibraphone and Tenor Saxophone)
Extraordinary Music for Weekend Holidays - Trumpet and Soprano Sax
Trumpet and Soprano Sax Solos - Music for Lounge Bars
Vibraphone and Tenor Saxophone Solos (Music for Breakfast Buffets)
Calm Bossa Saxophone - Ambiance for Daily Routines
Bossa Nova (Music for New Year Reflections)
Bossa Saxophone - Background for Resort Hotels
Backdrop for Breakfast Time - Subdued Bossanova
Lovely Background for Oat Milk Flat Whites
Magnificent Bossa Trombone - Bgm for Organic Coffeehouses
Distinguished Bossa Saxophone - Ambiance for Coconut Cold Brew
Friendly Music for New Year Vibes - Chill Out
Backdrop for Sunny Days - Sparkling Chill Out
Contemporary Music for Sunny Days - Chill Out
Serene Background Music for Weekend Relaxing
Sunny Smooth Jazz Chill Out - Ambiance for New Year Vibes
Music for Sunday Brunches - Tasteful Chill Out Guitar
Guitar Chill Out - Background for Rainy Mornings
Chill Out Sax (Music for Sunday Brunches)
Guitar Chill Out - Background for Hotel Cafes
Music for Champagne Brunches - Contemporary Chill Out Guitar
Chill Out Sax (Music for Rainy Mornings)
Chill Out Sax - Music for Sunday Brunches
Music for Hotel Lounge Bars (Trumpet and Alto Sax)
Music for Hotel Lounge Bars - Trumpet and Alto Sax
Solo Jazz Guitar: Elegant Evening Summer Music, Seaside Guitar for Cozy Moments
Big Band with Tenor Sax - Background Music for Morning Sunrise
Breathtaking Ambiance for Morning Inspiration
Big Band Ballad with Vibraphone - Ambiance for Positive Moods
Atmospheric Background for Starting the Day Off
Noir Film Jazz Playlist: Thriller Suspense Mystery Music to Study / Relax / Sleep
1940s Living Room Vibe: Instrumental Vintage Jazz Music
Big Band with Tenor Sax - Bgm for Early Spring
Backdrop for Spring Awakening - Tremendous Big Band Ballad with Guitar
Cultured Music for Trigerring Inspiration - No Drums Jazz
Big Band Ballad with Vibraphone - Ambiance for Spring Awakening
Music for Spring Sun - Terrific No Drums Jazz
Music for Good Spring Vibes (Big Band Ballad with Guitar)
Majestic Backdrop for Study and Sleep Moods
Big Band Jazz Ballad (Music for Mood Boosting)
Music for Mood Boosting - Big Band Ballad with Guitar
Quartet Jazz - Ambiance for Social Feelings
Quartet Jazz - Ambiance for Balancing Hours
Artistic Quartet Jazz - Bgm for Relaxing Controller
Music for Cool May Nights - Glorious Jazz Guitar Solo
Backdrop for Jazz Bars and Lounges - Wondrous Jazz Guitar Solo
Music for Relaxing Jazz Nights (Jazz Guitar Solo)
Soprano Sax Solo (Music for Fun Dreamscapes)
Sleep Jazz Cafè 2022: Positive Jazz Songs to End the Day, Relaxing Smooth Jazz Music for Bedtime
Music for Wonderful Overtones - Jazz Quintet
Exquisite Ambiance for Wonderful Imagination
Jazz Violin - Background for Wonderful Imagination
Relaxing Jazz Organ - Bgm for Wonderful Imagination
Good Mood Blues Music: Best Whiskey Blues Songs, Happy Hour Drinking Ambience
Relaxing Coffee Break: Retro Coffee Shop Jazz Sounds
Jazz for Lunch: Background Tracks for Restaurant BGM
Gypsy Jazz Café: Vintage Instrumental Manouche Jazz
Vintage Jazz Instrumental Compilation: Positive Retro Jazz, Music Style of the 20s, 30s and 40s
Jazz for a Rainy Day: The Perfect Companion for a Cozy Day Indoors
Jazz Sounds: Learning Jazz Melody for Study Lounge Tracks
Evening Guitar Grooves: Coastal Jazz Melodies, Jazz Guitar to Listen by the Sea
1930s Saturday Night: Classic Swing Jazz Collection
Private Eye Jazz: Futuristic Noir Jazz, Slow Cyberpunk City Music
Urban Detective Jazz: Slow Swing for Detective Movies and Crime Investigation Films
Vintage Speakeasy Melodies: Prohibition Jazz Music
Smooth Jazz Piano Sounds - Contemporary Jazz Piano Paradise, Tranquil Piano Melodies for Relaxing Evenings
Vintage Jazz: Sunny Chill House, Sunset Lounge Bar and Restaurant
Cozy Winter Jazz: Relaxing Tunes for Chilly Nights
Retro Café Haven: Vintage Flavor, Modern Relaxation
Perfect Background for Vintage Restaurant & Cafe
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 0xb9a494e774d89bd6d359c6ff809e056ebd7cb1a396666772cb64dd180cdd6957. 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/GBPS83867896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6936b7b1cf3729235fce8c84b3ab1820bb1a76e2e23fe3bd1789e4d607362ea0. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/GBPS83867899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cdb7958b8b20ea6786eb5caef13bfe42bb7aa57f9866bc9617652e0b9083e52. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/GBPS83867930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0593285ab9295b55ed252688273fff677a7cf5714a7e8921fb0b64ad78fc0d4a. Chain 2 (Bitcoin): anchored in block 958722 (2026-07-19T11:03:50Z), 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/GBPS83867901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbda7d088492a36ef88fdfe50cda72069fae8189bf935ac914c3f306190acd32. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/GBPS83867928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafb76e04d0923a28d80b8e541e80f9619ba8a5592ecab949d85371809d869c3b. 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/GBPS83867967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ac33ca920d75ac4a8a9dc90ed1b001ed8f967608469eb046481a02cd6e1e347. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBPS83868047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bab65d4ed823f341b8659173ad57cfa2f0042d3465f93e08e1e83451af7b374. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T14:03:08Z), 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/GBPS83868046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90e828181d7f7d36ced867897fef7693046f42165f36bcdf98fb6cafbce6a4a. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T20:02:01Z), 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/GBPS83867929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903239e487e907ca98e8edac8f49bf909ef501f3e2e9103d06014ce4ff64f584. 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/GBPS83867968.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384872c267a2ab792036f6732f61ac5eb494074cf820838a432c98db57b8799a. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/GBPS83868048.