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 0xbc49faa6b04448835f6c18bbc1c4ae3f9184deb0b25392979680bb1d2e60f6f3. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d820891e-dddb-4ed3-9439-05851caf6a5c.json and https://artists.proofprofile.net/proofs/artist/d820891e-dddb-4ed3-9439-05851caf6a5c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
French Café Bar Bistro Ambiance Jazz de Fond
Spicy Instrumental Jazz for Indian Cuisine
(Vibraphone and Tenor Saxophone Solos) Music for April Inspirations
Jazz Quartet - Background for April Inspirations
Phenomenal Background for Creativity with Coffee
Hip Background for Morning Coffee Thoughts
Hot Jazz Quartet - Ambiance for Spring Creativity
Simplistic Music for Relaxing with Coffee - Vibraphone and Tenor Saxophone
Music for April Inspirations - Funky Vibraphone and Tenor Saxophone
Music for Study and Sleep - Subdued Vibraphone and Tenor Saxophone
Music for Caffe Lounges (Vibraphone and Tenor Saxophone)
(Vibraphone and Tenor Saxophone Solos) Music for Ultra Fresh Coffee
Backdrop for Creating while Drinking Coffee - Relaxed Vibraphone and Tenor Saxophone
Relaxing Ambiance for Coffee and Study Moods
(Soprano Sax Solo) Music for Balancing Hours
Astonishing Background for Yesterdays Dreams
Charming Background for Afternoon Strolls
Music for Mellow May (Trumpet, Soprano Sax, Tenor Sax and Guitar)
Distinguished Quartet Jazz - Ambiance for Slacking Off Sundays
Astonishing Trumpet Smooth Jazz - Ambiance for Vacations in May
Refined Ambiance for Slacking Off Sundays
Music for Vacations in May - Sparkling Trumpet, Electric Piano, Alto Sax and Soprano Sax
Music for Summer Love (Jazz Guitar Solo)
Spirited Jazz Quartet - Bgm for Blue Heaven
Music for Peak Jazz Academies (Jazz Quintet)
Exquisite Background for Wonderful Imagination
Luxurious Background Music for Energetic Keynotes
Tenor Sax Jazz - Ambiance for Summers of Love
Backdrop for Summer Songs - Jazz Quartet
Backdrop for Morning Joys - Alluring Jazz Quartet
Music for Midsummer Flings - Jazz Quintet
Saxophone Bossa - Background Music for Jazzy Recliners
Groovy Music for Calm Reflections - Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for Study Club - Lively Jazz Organ and Guitar
Fabulous Background Music for Staying Cool
Bright Music for Staying Cool - Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for August Modes (Jazz Organ and Guitar)
Soprano Sax Solo - Music for Meditative Peacefulness
Marvellous Backdrop for Essential Thoughts
Opulent Quartet Jazz - Background for Acoustic Silence
Sultry Background for Meditative Peacefulness
Simplistic Music for Comforting Kindness - Acoustic Guitars
Latin Guitar - Background Music for Cold October Nite
Pulsating Trio Jazz - Bgm for Respectful Flashbacks
Sumptuous Trumpet Bossa - Ambiance for Healing Octobers
Extraordinary Ambiance for Morning Victory
Music for Infinite Days - Bossa Guitar Trio
Jazz Trio - Ambiance for Training Favorites
Hot Trio Jazz - Bgm for A Great Breakfast
Music for Lounge Mornings - Soulful Jazz Organ and Guitar
Easy Listening Piano - Background for Monday Work Cafe
Hip Bossa Nova Piano Duo - Bgm for Higher Illusions
Smart Easy Listening Piano Music - Bgm for Monday Work Cafe
Remarkable Background Music for Welcoming Power
Music for Sunshine Memory (Acoustic Guitars)
Funky Background Music for Focusing Flows
Entertaining Organic Guitar Music - Ambiance for Delightful Essentials
Piano Bossa Duo - Ambiance for Mythical Energies
Piano Jazz Duo - Ambiance for Perfect Ones
Music for Occassional Happenings - Soulful Jazz Quintet
Jazz Organ - Bgm for Occassional Happenings
Tremendous Quartet Jazz - Ambiance for Chilled Classics
Quartet Jazz - Ambiance for Alternative Oceans
Jazz Quartet - Background Music for Alternative Oceans
Music for Morning Nocturnes - Jazz Organ and Guitar
Trio Jazz - Background Music for Morning Nocturnes
Smoky Jazz Trio - Ambiance for Breezy Winter Feels