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 0x7a4696975b6dee63434897220c7de02d9732c2b8cc61db17032f79262707bd9f. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ca79adc4-0175-4158-b35d-3cb9fd49c2b9.json and https://artists.proofprofile.net/proofs/artist/ca79adc4-0175-4158-b35d-3cb9fd49c2b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Music for Working from Home - Bossa Nova Guitar
Cultured Brazilian Jazz - Background for Home Cooking
Astounding Brazilian Jazz - Ambiance for Downtime
Backdrop for Margaritas - Tenor Saxophone
Smooth Jazz Chill Out - Ambiance for Morning Lattes
Music for Morning Coffee - Happening Chill Out
(Trumpet and Alto Saxophone) Music for End of Winter
Lovely Jazz Trio - Background for Breezy March
Debonair Jazz Trio - Ambiance for Chilling in March
Jazz - Background Music for Creative Feelings
Sparkling Ambiance for Creative Feelings
Astounding Background for Repetitive Work
Backdrop for Fun Office Days - Trumpet, Alto Sax and Tenor Sax
Sparkling Background for Fun Office Days
Cultivated Trumpet Solo - Background for Creative Daydreams
(Jazz Ballad) Music for Creative Daydreams
Pulsating Ambiance for Comforting Cacophony
Understated Background for Glitz and Glamour
Music for Crazy Night - Lively Soprano Sax Solo
Quartet Jazz - Background Music for Romantic Notes
Music for Vibrant Secrets - Urbane Soprano Sax Solo
Backdrop for Daydreaming Hotels - Soprano Sax Solo
(Tenor Sax Solo) Music for Morning Roads
Number One Music for Summer Tones - Jazz Quintet
Backdrop for Summer Tones - Jazz Quintet
Backdrop for Coffee Summers - Jazz Quintet
Jazz Piano Duo - Background for Fresh Vibes
Breathtaking Jazz Piano Duo - Background for Entertaining Ways
Festive Background for Private Daydreams
Smart Music for Colorful Gambles - Jazz Quintet
Music for Favorite Thoughts - Smoky Piano Duo
Lively Guitar Trio - Ambiance for Private Daydreams
Music for llustrious Shapes - Bossa Guitar Trio
Music for Classic Verses - Tranquil Jazz Quintet
Quintet Jazz - Music for Colorful Gambles
Dream-Like Music for Periodic Times - Piano Duo
Music for Chill Monday Moments (Piano Duo)
Piano Jazz Duo (Music for Peaceful Thursday)
Music for Cool Autumn - Sophisticated Trumpet, Soprano Sax, Tenor Sax and Guitar
Soulful Ambiance for Chill Coffee Houses
Fashionable Acoustic and Electric Bossanova Piano Duo - Background for Every Space
Charming Music for Calm Tastes - Acoustic and Electric Piano Duo
Jazz Cuddle Time: Sweet Melodies for Baby Bonding
Midnight Metro Tunes: Underground Jazz Music
Jazz Piano Constellations: Starry Melodies
Mellow Jazz Grooves for a Soothing Atmosphere