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 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 0xdb633f46982a5cb61ac6ba28dfe29d6813f25683bc442b248a2d1ef07201d95a. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3fd146a-8975-4417-bb88-6a5ab5e0a506.json and https://artists.proofprofile.net/proofs/artist/c3fd146a-8975-4417-bb88-6a5ab5e0a506.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Scintillating Music for Cool Spring Days - Vibraphone and Tenor Saxophone
Classic Music for Morning Coffee Thoughts - Vibraphone and Tenor Saxophone
High Class Jazz Quartet - Background for Morning Coffee Thoughts
Carefree Music for Morning Coffee Thoughts - Vibraphone and Tenor Saxophone
Tasteful Jazz Quartet - Background for Creativity with Coffee
Quartet Jazz - Bgm for April Inspirations
Music for Creativity with Coffee (Vibraphone and Tenor Saxophone)
Music for April Inspirations - Vibraphone and Tenor Saxophone
Playful Jazz Quartet - Background for Evening Coffee
Cultured Jazz Quartet - Ambiance for Refreshing Coffee Beverages
Spectacular Ambiance for Creating while Drinking Coffee
Festive Ambiance for Unique Perspectives
Music for Social Feelings - Elegant Jazz Guitar Solo
(Soprano Sax Solo) Music for Classic Concentration
Backdrop for Positive Nature - Jazz Guitar Solo
Amazing Trumpet Bossa - Background for Afternoon Strolls
Quartet Jazz - Ambiance for Lazy Thursday
Music for Inspiring May - Smooth Trumpet, Electric Piano, Alto Sax and Soprano Sax
Smart Trumpet Smooth Jazz - Ambiance for May Moods
Quartet Jazz - Background Music for Calming Night
Smooth Jazz Violin - Background for Calming Summer
Backdrop for Soft Melodies - Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for Mood Boostings (Trumpet, Soprano Sax, Tenor Sax and Guitar)
Easy Music for Classic Daydreaming - Jazz Quintet
Dashing Background Music for Serious Study
Trumpet Bossa - Background for Self Care and Coffee
(Guitar Bossa Nova) Music for Self Care and Coffee
Chilled Jazz Trio - Ambiance for Mornings Study Session
Music for September Dream (Jazz Organ and Guitar)
Scintillating Jazz Quartet - Bgm for Quiet Loungers
Soprano Sax Solo (Music for Coffee Heaven)
Mind-blowing Music for Coffee Heaven - Jazz Guitar Solo
Latin Guitar - Background Music for October Aura
Quartet Jazz - Background for Essential Thoughts
Jazz Organ - Background Music for Fall Cleansing
Entertaining Ambiance for Autumns Spirits
Music for Night Spirits - Groovy Acoustic Guitars
Vibrant Latin Trumpet - Ambiance for Cold October Nite
Spirited Jazz Violin - Ambiance for October Mindfulness
Artistic Organic Guitar Music - Ambiance for Hanging Out with Jazz
Latin Trumpet - Background for Bright Stars
Backdrop for Training Favorites - Jazz Organ and Guitar
Music for Morning Victory - Jazz Organ and Guitar
Unique Music for Quiet Coffee Time - Jazz Organ and Guitar
Music for Quiet Coffee Time - Divine Jazz Organ and Guitar
Music for Quiet Coffee Time - Jazz Organ and Guitar
Guitar Quartet - Bgm for Successful Wishes
Music for Golden Yesterday - Piano Bossa Nova Duo
Marvellous Easy Listening Piano - Ambiance for November Work Motivations
Music for Sure Visions - Glorious Piano Bossa Nova Duo
Guitar Quartet - Background Music for Fine Sound
Backdrop for November Work Motivations - Stylish Latin Piano Jazz
Music for Welcoming Power - Urbane Acoustic Guitars
Fabulous Easy Listening Piano - Ambiance for November Work Motivations
Music for Nocturnal Nights (Jazz Quintet)
Jazz Violin - Ambiance for Occassional Happenings
Deluxe Background for That Familiar Feeling
(Quintet Jazz) Music for Nocturnal Nights
Music for Absolute Motivation - Latin Piano Jazz
Quartet Jazz - Background for Winter Balancing
(Soprano Sax Solo) Music for Natural Focus
Music for December Groves (Jazz Guitar Solo)
Backdrop for December Groves - Jazz Guitar Solo
Backdrop for Mellow Out December - Latin Music
Luxurious Latin Trumpet - Background for Chill Out Room
Warm Latin Trumpet - Ambiance for Every Holiday