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 0x6c15ec8f497a3f327dc351f258afb48dad8c7de646eb9b87fe188ed545a0c18a. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bb9625ad-ea0a-4ef7-ab1b-6a7fa650d836.json and https://artists.proofprofile.net/proofs/artist/bb9625ad-ea0a-4ef7-ab1b-6a7fa650d836.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Music for Work from Home - Wonderful Double Bass
Beautiful Ambiance for Freelance Projects
Music for Working at Home (Bossa Nova Guitar)
Vintage Bossa Saxophone - Ambiance for Outdoor Cafes
Clarinet Solo - Ambiance for Cocktail Hour
Laid-back Piano Jazz - Background for Jazz Clubs
Piano Jazz - Background for Classy Clubs
Vibrant Music for Nights Out - Bossa Nova Vocals
Jazz Trio - Ambiance for Self Care Rtiuals
Backdrop for Recharging Routines - Wondrous Trumpet and Alto Sax
Music for Recharging Routines (Trumpet and Alto Sax)
Trumpet and Alto Saxophone - Music for Fun Luncheons
Trumpet and Alto Saxophone - Music for Afternoon Tea Time
Funky Trio Jazz - Bgm for Coffee and Lunch
Excellent Bebop - Background for Seasonal Vibrations
Music for Work from Office - Vintage No Drums Jazz
Backdrop for Island Vacation - Trumpet and Alto Sax
Acoustic Smooth Jazz Guitar - Background for Improving Work
Groovy Backdrop for Relaxing Experiences
Elegant Smooth Jazz Guitar - Bgm for Calculated Hours
Music for Always Atmospheric (Harmonica Solo)
Backdrop for Lazy Chairs - Dream-Like Latin Music
Terrific Background Music for Breezy Dreams
Piano Jazz Duo - Music for Energetic Ballad
Inspiring Jazz Piano Duo - Ambiance for Good Goals
Music for Pure Moments - High-class Piano Duo
In The Mood For Lofi: Cool Lofi Songs To Chill Out At Home
Subtle Music for Sitting Back Jazz - Piano Duo
Marvellous Jazz Piano Duo - Background for Sitting Back Jazz
Music for Easy Going Days (Bossa Guitar Trio with Jazz Organ)
Jazz Organ and Bossa Guitar Trio - Music for Easy Going Days
Bossa Guitar Trio - Ambiance for Great Lights
Jazz Organ and Bossa Guitar Trio - Music for Creative Spirits
Bossa Guitar Trio - Background for Moments of Rhythm
Bossa Guitar Trio - Ambiance for Beach Moods
Favorite Chilling Tracks Alone in the Rain
Jazz Scholar: Coffee Lounge Anthems for Study
Acoustic Jazz Music: Unplugged Raw Melody
Melodic Horizons: Jazz Piano Discoveries
Jazz Lounge Classics: Elegant Night Sounds