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 0x01d7bf35623f0ed8ce8376719d8421ad0b5bbb5374b4b4f4bca3b6173aa0a776. Chain 2 (Bitcoin): anchored in block 953727 (2026-06-15T02:33:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f862cf4-011d-44e8-8525-d06343301581.json and https://artists.proofprofile.net/proofs/artist/8f862cf4-011d-44e8-8525-d06343301581.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Backdrop for Cooking at Home - Glorious Vibraphone
Sublime Music for Work from Home - Piano
Jazz Trio - Background for Preparing Dinner
Backdrop for Cooking Dinner - Fiery Tenor Saxophone
Tremendous Backdrop for Preparing Dinner
Superlative Jazz Trio - Background for Preparing Dinner
Lonely Music for Cooking Dinner - Tenor Saxophone
(Tenor Saxophone Solo) Music for Cooking
Lively Music for Date Nights - Trumpet Jazz
Cheerful Music for Dinner Time - Trumpet Jazz
Backdrop for First Dates - Inspired Trumpet Jazz
(Tenor Sax and Trumpet Solos) Music for Relaxing Cafes
Backdrop for Evenings - Trumpet and Alto Sax
Heavenly Music for Eating - Trumpet and Alto Sax
Simplistic Jazz Trio - Background for Evenings
Trumpet and Alto Saxophone (Music for Ordering In)
Quiet Music for Meals - Trumpet and Soprano Sax
(Trumpet and Alto Saxophone) Music for Ordering In
Music for Dining Out - Bossa Nova Vocals
Astonishing Jazz Trio - Ambiance for Stress Relief
Extraordinary Jazz Trio - Ambiance for Coffeeshops
Awesome Music for Liquid Lunches - Trumpet and Alto Sax
Remarkable Music for Cooling Off in Silence - Jazz Quintet
Tenor Sax Jazz - Background for Luxurious Trips
Brilliant Ambiance for Relaxing Horizons
Music for Always Atmospheric - Harmonica Solo
Music for Calculated Hours - Harmonica Solo
Music for Roaring Lounge (Jazz Organ and Guitar)
Music for Lazy Winter Moments (Latin Music)
Deluxe Latin Trumpet - Ambiance for Breezy Dreams
Breathtaking Ambiance for Peaceful Melodies
Spectacular Latin Guitar - Bgm for Lazy Winter Moments
Distinguished Background Music for Lazy Chairs
Backdrop for Breezy Moments - Jazz Guitar Solo
Number One Music for Clear Moods - Piano Duo
Sophisticated Jazz Quartet - Bgm for Mystical Sounds
Music for Sleeping Mixes (Acoustic Guitars)
(Acoustic Guitar Quartet) Music for Lounge Moods
Music for Mellow Recliners - Acoustic Guitars
Acoustic Guitar Quartet (Music for Jazzy Weekenders)
Backdrop for Supportive Hours - Alto Sax
Music for Good Horizons (Jazz Organ and Guitar)
Music for Respectful Flashbacks - Lonely Jazz Organ and Guitar
Lovely Ambiance for Respectful Flashbacks
Sunny Music for Respectful Flashbacks - Jazz Organ and Guitar
Sparkling Bossa Guitar Trio - Ambiance for Easy Going Days
Delightful Background for Creative Spirits
Exciting Music for Easy Going Days - Bossa Guitar Trio with Jazz Organ
Music for Morning Hours - Distinguished Jazz Quartet
Inspiring Bossa Guitar Trio - Ambiance for Great Lights
Uplifting Music for Morning Hours - Jazz Quartet
Music for Accepted Starts (Jazz Quartet)
Music for Beautiful Illusions - Jazz Quintet
Guitar Trio - Ambiance for Accepting Times
Cheerful Guitar Trio - Background for Higher Tones
Refined Background Music for Beautiful Illusions
Dream-Like Music for Upbeat Winter - Harmonica Solo
Carefree Acoustic Smooth Jazz Guitar - Ambiance for Upbeat Winter
Music for Accepting Pictures (Harmonica Solo)
Smooth Jazz Guitar - Background Music for Accepting Pictures
Glorious Trio Jazz - Bgm for Soft Memory
セルフサービスのカフェの雰囲気
Music for Misty Sunday - Wicked Piano Bossa Nova Duo
Piano Bossanova Duo (Music for Calming Lounges)
Charming Piano Duo Jazz - Bgm for January Jazzes
Urbane Piano Jazz Duo - Ambiance for January Jazzes
Piano Jazz Duo - Background for Luxurious Holiday
Jazz Guitar - Bgm for Colorful Unwinding
Backdrop for Colorful Unwinding - Jazz Quintet
Quintet Jazz - Music for Luxurious Favorites
Music for Comfortable Afternoon - Brilliant Jazz Quintet
Music for Vibrant Reflections - Calm Jazz Quintet
Astounding Guitar Jazz - Ambiance for Losing Nostalgia
Backdrop for Thursday Workday - Jazz Quintet
Guitar Jazz - Background for Lovely March
Happy Music for Thursday Workday - Jazz Quintet
Soothing Focus Keys: A Smooth Jazz Piano Collection
くつろぎのためのウィンター・ジャズ
わんこのパーティー・プレイリスト