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 0xbda656c61d4b63ac0ba74394918b8a8c067a3764da5d7a6d67e3d8fc264d29bb. Chain 2 (Bitcoin): anchored in block 953768 (2026-06-15T09:30:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c223b7b3-554e-4e58-9161-53330bb0e7e5.json and https://artists.proofprofile.net/proofs/artist/c223b7b3-554e-4e58-9161-53330bb0e7e5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Best Erotic Piano Bar - Romantic Love Songs, Night Lovers, Love of Piano Shades, Beating Heart, Hugs, Kisses, Love Sayings, Tantric and Sensual Music, Passionate & Sexuality
Healing Massage - Bali Spa & Wellness, Music for massage, Relaxation, Meditation, Reiki Healing, Yoga, Piano, Flute, Sounds of Nature
Coffee Piano Time – Jazz Piano, Restaurant Piano, Coffee Break, Time for You
Soft Piano Jazz – Jazz Evening, Soothing Piano, Calming Mind Jazz, Spiritual Relief
Beautiful Jazz – Smooth Piano, Calm Day, Restaurant Jazz, Dinner Time, Tea & Cafe
Relaxing Piano Jazz Music: Solo Piano Music Collection, Instrumental Background, Soft Sounds for Relaxation
It's Friday – Lazy Jazz: Chill Out Time, Easy Listening, Evening Relaxation, Background Music for Wine Tasting, After Hours at Home
Cigar Lounge: Night Jazz, Coffee Bar, Instrumental Music, Noir Jazz, After Hours, Background Music, Cocktails & Drinks
Buddha Piano Jazz Bar – Soothing Instrumental Music, Cocktail Party, Good Times, Chill Moments
Happiness with Jazz: Optimistic Mood, Essence of Jazz, Meeting with Friends, Dinner Background Music, Smooth Atmosphere
Tasteful Jazz for Late Evening: Emotional Time, Instrumental Music, Easy Listening, Soothing Vibes, Reflections
Piano Lounge Improvisation: Sophisticated Jazz, Relaxing Session, Daily Dose of Positive Music, Easy Listening
Laughing Lounge – Jazz & Drinks: Meeting with Friends, Night Club, Positive Summer Feelings, Late Party Music
Instrumento de Jazz Moderno para Hotel - Música de Jazz Profissional para Restaurante, Café Bar, Local Público
Melancholy Time with Jazz – Relaxed Piano, Instrumental Music, Essential Melodies, Melancholy Jazz
Relax Time with Smooth Jazz: Soothing Collection for Stress Relief, Calm Down, Serenity Instrumental Music
Полуночный пианино виброфон Белые ночи, Мягкие аккорды, Прикосновение к моменту, Душевная джазовая импровизация
New Way of Jazz Music – Instrumental Background, Eliminate Stress from Your Life, Relaxation After Work
30 Sensual Chill Jazz: Epic Relaxation, Morning & Evening, Emotional Fusion
Positive Piano Jazz - Chill Time, Restaurant, Cafe, Lunch, Easy Listening
Smoky Jazz Bar - Instrumental Music in a Post-war Musical Style
Instrumental Jazz (Creating Musical Piano Jazz)
Four Moody Piano Seasons - Jazz & Nature: Gentle Melodies for Reflection
Nice Afternoon with Hot Coffee & Friends: 2019 Instrumental Smooth Jazz Vintage Melodies Compilation for Cafe & Restaurant
Mesmerizing Dream – Restaurant Piano Collection
Gentlemen, Cigars and Jazz Bar: Slow Smooth Jazz Vintage Music 2019 Collection, Perfect Background for Elegant Men Bar Meeting, Old Piano Melodies
Parisian Piano: Calming Flow, Relax and Fancy Delight
Delicate Jazz Piano Mix. Just Follow Your Dreams and Meditate
Calm Down in Bedsheets: Jazz Collection, Relaxing Vibes, Only Calming Jazz, Instrumental Piano
Jazz Background Music Collection: Bar Evening and Relaxing Friday After Work
Italian Soft Jazz Pianobar: Capri Jazz Piano Bar Music
Cozy Evening - Romantic Bossa Lounge, Gentle Piano Collection, Nightlife Background
Jazz Bar and Relaxing Night: Friends Meeting (Whisky Bar Music Collection)
Mysig höst med pianomusik: Piano sånger för avveckling och somna, Samtida jazzvila
Chilled Smooth Jazz 2022: Only The Best Bossa Nova, Classical Piano Bar, Jazz & Blues Music
Swing City Music: Saxophone Mood for Romantic Evening
You’re on My Mind: Romantic Piano Jazz for a Perfect Date, Evening Together, Music for Lovers
Drinks with Rum (Background Music for Meeting)
Piano Bar Elegance: Mellow Melodies for Lounge Lulls
Keys of Comfort: Piano Bar Lounge Serenity