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 0xfda41786aebee5985c9743563cd2ed32b069fb5d1fedc2c9a6d239ad985424ee. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2367cc21-34d9-4ffb-91cc-b08f1b5a45ff.json and https://artists.proofprofile.net/proofs/artist/2367cc21-34d9-4ffb-91cc-b08f1b5a45ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Venice - Piano Jazz Music, Romantic Piano Songs for Candle Light Dinner for Two, Magic Moments with Piano Bar Music, Italian Vacations
Blue Bossa - Cool Piano Jazz, Peaceful Piano Jazz, Relaxing Evening, Jazz Night
Romantic Jazz – Sensual Sounds of Jazz for Special Dinner, Romatic Date, Smooth & Sexy Piano Music, Mellow Jazz After Dark
Italian Restaurant Music – Relax Yourself With Jazz Music, Mellow Jazz, Easy Listening, Relaxing Sounds for Family Dinner, Smooth Jazz, Calming Piano Bar
Beautiful Jazz Romance – Romantic Dinner, Candle Light, Moonlight Jazz, Easy Listening
The Best Italian Candlelight Music (A 25 Tracks for Dinner and Date for Two with Wine and Soft Relaxing Jazz, Romantic Italian Piano)
Italian Jazz Café & Lounge: The Best Moody Music, Instrumental Background for Restaurant, Sunset del Mar Vibes, Sax, Guitar, Piano Sounds
Фестиваль джазу (Осінні вечори, Квартет, Гітара, Повільний Джаз, Босса Нова, Джаз для закоханих, Романтична вечеря)
Your Attachment to the Jazz Piano and Relaxation. Calm Your Thoughts and Escape Into the World of Fantasy
New York Piano Jazz: Essential Rhythm for Evening, Lounge Bar, Restaurant
Jazz Ballad for a Romantic Evening. Instrumental Music, Creates a Good Atmosphere, a Date at Home
Jazz Lovers Playlist. Everyday Music (Positive Sounds, Inspiring Songs, Listen at Home)
Romantic Jazz Piano Music: Dinner for Two - Love and Attachment
Лондонський фестиваль джазу та кави: Пізні літні вечори, Повільний розслаблюючий джаз, Босса-Нова для романтичної вечері
Jazz Background Music for Italian Restaurant: Restaurant Week and Pleasure Dinner Places
Best Mix of Emotional Jazz Music: It’s Romantic Time!
Roman Jazz Collection: Sunny Italian Mood
Italian Jazz Restaurant: Calm Dinner Music, Relaxing Instrumental Jazz, Fine Dining Jazz
Italian Jazz and Romantic Vibes of Piano and Saxophone (Intimate Connection of Summer Evening)
Delicious Pasta & Wine: Mellow Piano for Restaurants
Italian Lounge Café: Cozy Coffee Shop, Relaxing Jazz, Coffee Ballads
Pasta Making Night: Italian Style Guitar Jazz
Ristorante Italiano: Lovely & Atmospheric Mediterranean Instrumental Jazz Melodies
Italian Morning with Coffee and Book: Soft Jazz Music
Notte d'Amore: Piano Music for a Night of Love
Dolce Vita: Romantic Italian Jazz Affair, A Collection of Soulful Italian Jazz