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 0x214c3bbbf3266df599020856e301a811ec666148f25e9e511c82f1148e116474. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d884a3a-e47c-4b4c-ae6f-c905cb063692.json and https://artists.proofprofile.net/proofs/artist/5d884a3a-e47c-4b4c-ae6f-c905cb063692.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Smoothe Jazz for Relaxing Evening - Soft Jazz Atmosphere, Deep Relaxation, Jazz Cafe
Music for Cafe Focus - Outstanding Trumpet Jazz
Backdrop for Chilled Days - Friendly Trumpet Jazz
Swanky Music for Working from Cafe - Trumpet Jazz
Successful Backdrop for Afternoon Lattes
Music for Coffee with Friends - Sax Jazz
Music for Relaxing with Coffee - Vibrant Trumpet and Alto Sax
Opulent Bartione Sax solo - Ambiance for Cocktail Bars
Groovy Jazz Trio - Ambiance for Studying at Cafes
Music for Cozy Rainy Days (Trumpet and Alto Sax)
Jazz Trio - Background for Studying at Cafes
Relaxing Jazz Trio - Ambiance for Afternoon Moods
Music for Resting at Coffee Shops (Trumpet and Alto Sax)
Stellar Music for Rainy Evenings - Big Band Ballad with Guitar
Calm Music for Friday Night - Big Band Ballad with Guitar
Trio Jazz - Background Music for Cool Restaurants
Music for Rainy Evenings - Big Band Ballad with Guitar
High-class Ambiance for Cool Restaurants
Music for Relaxing Sessions - Outstanding Big Band Ballad with Guitar
Carefree Music for Lounge Bars - Big Band Ballad with Guitar
Big Band Jazz Ballad (Music for Winter Time)
Music for Secret Bars - Big Band Ballad with Guitar
Music for Classy Restaurants - Pulsating Trumpet and Alto Sax
Music for Fine Dining - Excellent Trumpet and Alto Sax
Vibrant Big Band Ballad with Vibraphone - Ambiance for Lunch Break
Music for Cool Restaurants (Big Band Ballad with Guitar)
Big Band Jazz Ballad - Music for Lunch Break
Chilled Music for Romantic Dinner - Trumpet and Alto Sax
Lovely Jazz Trio - Ambiance for Deluxe Cafes
Big Band with Tenor Sax - Bgm for Lunch at Work
(Trumpet and Alto Saxophone) Music for Romantic Dinner
Quartet Jazz - Background Music for Monday Breakfast
Vibraphone and Tenor Saxophone Solos (Music for Commuting)
Vibrant Jazz Quartet - Background for Morning Coffee Time
Backdrop for Commuting - Vibraphone and Tenor Saxophone
Background Music for Morning Cafe Visits
Phenomenal Bossa Saxophone - Ambiance for Snowbirds
Background Music for New Year Reflections
Classic Bossa Saxophone - Ambiance for Ending the Year
Amazing Bossa Saxophone - Background for New Year Reflections
Sumptuous Music for Snowbirds - Bossanova
Backdrop for Snowbirds - Dashing Bossanova
Bossa Saxophone - Ambiance for New Year Reflections
Bossa Saxophone - Ambiance for Ending the Year
Mellow Music for Holiday Moods - Bossanova
Sultry Bossa Saxophone - Background for Breakfast Time
Bossa Saxophone - Ambiance for Horchata Lattes
Music for Single Origin Espresso (Bossanova)
Bossa Nova - Music for Coconut Cold Brew
Backdrop for Organic Coffeehouses - Vibrant Bossanova
(Bossa Nova) Music for Coconut Cold Brew
Backdrop for Gourmet Coffees - Bossanova
Bossa Nova - Music for Organic Coffeehouses
Backdrop for Saturday Mornings - Chill Out
Music for Fresh Coffee - Festive Bossa Nova Guitar
Backdrop for Delis - Entertaining Bossa Nova Guitar
Dream-Like Jazz Trio - Ambiance for Cocktail Times
Music for Evening Cocktails (Trumpet and Alto Sax)
Delightful Background for Nightcap Drinks
Backdrop for Friday Dining - Wondrous Trumpet Solo
Sublime Clarinet Solo - Ambiance for Saturday DInner
Music for Club Lounging - Vibrant Trumpet Solo
Music for Exclusive Restaurants - Bright Trumpet Solo
Music for Saturday DInner - Trumpet Solo
Big Band Jazz Ballad (Music for Pleasant Evenings)
Backdrop for Happy Days - Big Band Ballad with Guitar
Big Band Ballad with Vibraphone - Background for Lounge Bars
Music for Pleasant Evenings (Big Band Ballad with Guitar)
Lively Big Band Ballad with Vibraphone - Background for Restaurant Lounges
Beautiful Trio Jazz - Bgm for Speakeasies
Magical Trio Jazz - Bgm for Hotel Club Lounges
Sublime Jazz Trio - Ambiance for Classy Resorts
Spirited Background Music for Luxury Staycations
Happening Music for Weekend Hotel Stays - Trumpet and Alto Sax
Music for Classy Resorts - Vivacious Trumpet and Alto Sax
Trumpet and Alto Saxophone - Music for Classy Resorts
Jazz Feline Reverie: Café Lounge Chronicles
Through Deco Lenses: Reflecting Jazz Music
Jazz Music Heartbeat: Passionate Love Tempo