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 0xa1c37099829700a4dcaf5ebfa4b284090cd69e1f17b13ac2809fe2ef0b72ab2d. Chain 2 (Bitcoin): anchored in block 954046 (2026-06-17T04:53:03Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4136f732-bf41-424a-b4f5-3938e4076575.json and https://artists.proofprofile.net/proofs/artist/4136f732-bf41-424a-b4f5-3938e4076575.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Music for Happy Hour with Friends - Trumpet and Alto Sax
Dream Like Big Band with Tenor Sax - Bgm for Bars
Big Band Jazz Ballad (Music for Coffee at Lunch)
Big Band with Tenor Sax - Bgm for After Work Dinner
Divine Jazz Trio - Ambiance for Classy Restaurants
Dream Like Big Band Ballad with Vibraphone - Ambiance for Lunch Break
Tranquil Big Band with Tenor Sax - Bgm for Lunch Break
Wonderful Smooth Jazz Ballad - Bgm for Cool Spaces
Music for Cold Nights - Trumpet and Soprano Sax
Modern Bossa Saxophone - Ambiance for Meetups
Fantastic Bossa Saxophone - Background for Morning Cafe
Bossa Trombone - Bgm for New Year Reflections
Bossa Saxophone - Background for Morning Cafe
Peaceful Music for Nightcap Drinks - Trumpet and Alto Sax
Music for Hotel Lounge Bars - Trumpet and Alto Sax
Trumpet and Alto Saxophone - Music for Hotel Lounge Bars
Soulful Jazz Trio - Background for Dinner and Drinks
Music for Classy Hotels (Trumpet and Alto Sax)
Music for Nightcap Drinks (Trumpet and Alto Sax)
Jazz Trio - Background for Cocktail Times
Inspired Clarinet Solo - Ambiance for Saturday DInner
Exciting Quintet Jazz - Bgm for Saturday DInner
Fabulous Music for Pleasant Evenings - Trumpet and Soprano Sax
Smooth Jazz Ballad - Background Music for Pleasant Evenings
Music for Restaurant Lounges - Trumpet and Soprano Sax
Trio Jazz - Background Music for Secret Bars
Music for Pleasant Evenings - Sparkling Trumpet and Soprano Sax
Jazz Trio - Background for Fine Dining Establishments
Backdrop for Lounge Bar - Trumpet and Alto Sax
Trio Jazz - Background Music for Hotel Club Lounges
Music for Lounge Bar (Trumpet and Alto Sax)
Cultivated Bgm for Lobby Cocktail Lounges
Astonishing Music for Evening Drinks - Trumpet and Alto Sax
Backdrop for Fine Dining at Hotels - Joyful Trumpet and Alto Sax
Jazz Trio - Background for Fine Dining at Hotels
Music for Fine Dining at Hotels - Wicked Trumpet and Alto Sax
Classic Background Music for Spring Awakening
Backdrop for Spring Awakening - Big Band Ballad with Guitar
Big Band with Tenor Sax - Bgm for Mood Boosting
Big Band Ballad with Vibraphone - Background for Aesthetic Vibes
Big Band Ballad with Vibraphone - Background for Happy Spring Moments
Quartet Jazz - Ambiance for Classic Concentration
Spectacular Background for Positive Nature
Quartet Jazz - Background for Classic Concentration
Bubbly Jazz Quartet - Bgm for Cool May Nights
Breathtaking Backdrop for Cool May Nights
Quartet Jazz - Ambiance for Jazz Bars and Lounges
Quartet Jazz - Background for Rainy May Days
Refreshing Jazz Piano: Office Work Melodies
Jazz Serenades: Coffee Lounge Relaxations
Harmonious Baby Melodies: Jazzed Piano's Embrace