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 0xa91a6c17a1ede6a31fccf46d3e9db708905ccd7104888c20ecb6420b46cd1f72. Chain 2 (Bitcoin): anchored in block 953864 (2026-06-16T00:30:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/03b17213-25f7-4601-b795-4986b15dfead.json and https://artists.proofprofile.net/proofs/artist/03b17213-25f7-4601-b795-4986b15dfead.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jazz Music for Exam Study – Smooth Jazz to Help You Pass Test & Improve Concentration, Effective Study Background Music for Brain Power, Improve Memory with Piano Music, Get Good Grades & Graduate
Clear Thinking – Fast Learning, Jazz, Work, Piano Bar, Mind Concentration, Creative Thinking, Focus
Carpe Diem - Jazz in London, Relaxation Music on Everyday, The Best Piano Jazz Collection, Background Music, Piano Bar, Jazz Lounge, Cocktail Party, Smooth Jazz
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Jazz for Study & Homework (Elevator Music Background, Concentration, Unwind after Work, Sleep, Focus on Reading, Beautiful Dreaming)
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Jazz Music to Learn (Concentration, Creativity, Brain Cell Growth, Faster Learning, Greater Efficiency)
Gentle Jazz to Study for Tests. Good Concentration, Calm Background Music, Amazing Sounds
Revision Time: Nondistracting Background Jazz Music for Long Study Sessions, Group Projects, Relaxation before the Lectures and Exams, Regaining Motivation and Inspiration
Travail calme, Meilleurs résultats. Musique facilitant l'étude et le travail
Apprentissage efficace avec la musique. Concentration, Meilleures réalisations, Relaxation
Learning with Jazz. Soft Music Perfect to Concentrate and Relax
Great Efficiency Thanks Jazz Sounds. Just Listen and Learn
Jazz to Work and Study: Concentration Relaxing, Good Focus in the Home Space
Fast Focus on Important: Personal Timetable with Jazz, Productive Homeschooling and a Good Mood While at Work
Positive Learning Vibes with Jazz Music - Concentrate and Be Positive
Jazz for Working: Learning Playlist - Music Motivation
Mood Music for Study: Relaxing Instrumental Music for Studying, Concentration and Memory
Office Jazz Fusion: Saxophone Inspirational Music for Intellectual Stimulation
Exam Study Jazz Playlist: Music with Coffeeshop Sounds and Rain Ambiance
Deeper Concentration with Bossa Nova: Soft Instrumental Jazz for Studying
Jazz for Study: Better Concentration and Progressive Stress Relief
Jazz BGM for Study and Work: Instrumental Music
Trumpet and Trombone: Relaxing BGM Jazz for Studying
Active Studying with Jazz Music: Dixieland for Study, Effective Study Routine, Soothing Relaxation before Exam
Soothing Jazz for Study: Smooth Instrumental Jazz for Concentration and Focus, Chill Vibes for Studying
Jazz for Productivity: Jazz for Effective, Productive Work and Study, Concentration and Focus
Bossa Nova for Studying: Deeper Concentration with Soft Instrumental Background Jazz
World of Letters: Smooth Concentration Jazz For Reading and Productive Evening Time
First Semester Exams: Instrumental Jazz for First Years Students to Support Concentration
Relaxing Jazz Music for Study: Study Playlist in the Autumn Exam Season
Jazz Study Collection – Help Yourself with Studying, Improved Focus, Concentration Booster
Jazz for Study: Better Concentration, Effective Learning, Progressive Stress Relief
Jazz for Bookworms: Cozy Jazz for Reading, Calm Evening with Book, Mental Enjoyment
Stay Focused: Study Jazz Music (No Lyrics to Distract You)
Spring Street Jazz: Sweet Chill Jams for Happy Vibes, Relax, Work, Study, Good Mood
Chase Your Success: Upbeat Jazz for Fulfilling Aims, Productive Work and Study, Finding Motivation
Intense Studying: Instrumental Study Jazz Sessions, Background Music for Concentration and Focus
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 0x8a998567c61024aa7f2f2c5a3949b9f58cabdd05db66162356439ab1aaf897e4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/UKR4Q1976428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc59f1a56f9189298c7eee287ff1085d56a023c9e2d7d3caeb4d7b76d8725c416. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/UKR4Q1976425.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40059e1acd6323a12bddb1469b29a182f621d259e8fdc31a582f46a4b8a4af93. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/UKR4Q1976427.
Rhythmic Conversations: Jazz Fusion for the Soul
Winter Bookstore Ambience: Smooth Jazz Music with Guitar & Sax, Relaxing Jamming for Cozy Evenings, and Sleep
Urban Zen Jazz: Mindful Co-working Vibes
Subtle Swirls: Background Jazz for Intimate Gatherings
Easy Jazz: Harmonies for Effective Study
Focus & Flow: R&B Smooth Jazz for Productivity & Study
Focused and Flowing: Coffee, Croissants, and Cool Jazz
Caffeinated Studying: Deep Focus with Cup of Coffee
Smooth Jazz Vibes: Easy Study and Focus Music Collection