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 0x7727d227b64f4e41e784004ae8473cd20426f9ac87c04dd7a4f6fbb69aa3ef89. 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/8e9b1890-86c9-4908-b787-fca53294d8b3.json and https://artists.proofprofile.net/proofs/artist/8e9b1890-86c9-4908-b787-fca53294d8b3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cocktail Party Piano Jazz Music - Soothing Music for Dinner Party, Family Time, Jazz for Entertaining
The Very Best of Cafe Music - Chill Lounge Bar, Cocktail Party & Drink Bar, Beach Party, Jazz Piano Background Music, Relax, Lounge Music, Instrumental Piano
The Best of Bossa Nova - Amazing Sounds for Jazz, Smooth Jazz Night, Amazing Jazz
City Lights – Jazz Night, Long Way To Home, Easy Listening, Background Piano Music, Sensual Piano, Soft Jazz
The Very Best of Relaxing Summer Jazz del Mar Collection 2016: Sexy Sax Lounge Music and Smooth Piano Bar, Drink Songs, Lovers with Jazz Minds
Late Night Jazz - Instrumental Piano for Sad Days, Cry a Lot, Be Yourself, Sadness, Cure Depression with Jazz Music, Jazz Night Sounds
Day & Night – Best Mellow Jazz, Sleep Piano Songs, Soothing Piano Sounds, Background Music to Relax, Smooth Jazz
Piano musique - Bien-être et relaxation aux sons de piano, Musique de fond pour lire, Dormir et détente, Enfant calme & Serein
Best Mellow Jazz 2016 – Most Beautiful Melodies of Jazz, Gentle Jazz, Background Piano Jazz, Cocktail Bar
Mellow Piano Jazz - Feel Good, Soft Jazz Music, Calm Jazz Sounds, Instrumental Piano Jazz
Jazz Masters – Jazz Band and Club, Pure Jazz Music
Romantic Love Songs – Most Sexy Jazz for Romantic Date, Sensual Background Music for Lovers, Erotic Jazz, Dinner with Candlelight, Romantic Jazz
Relaxing Jazz for Restaurant – Calming Piano Bar, Beautiful Background Jazz, Restaurant Relaxation
Chillin' in Love Piano Bar: Background Music for Beautiful Moments, Love Songs, Smooth Piano Jazz, Relaxing Instrumental Lounge Music
Beloved Music - Queen of Hearts, Fall In Love, Gentle Feeling, Two Words
Rest with Jazz Sounds – Relaxing Music to Calm Down, Piano Jazz, Soothing Night Jazz, Chilled Jazz Lounge
Restaurant Piano Music – Instrumental Jazz Music for Restaurant, Piano Sounds for Family Dinner, Smooth Jazz, Calming Piano Bar
Instrumental Piano Moment – 30 Relaxing Jazz Tracks, Smooth Piano Sounds for Musical Atmosphere
Salon lounge musique (Solo piano - Édition 2017 pour la relaxation et détente)
House of Jazz - Masters Mix – Collection of the Best Solos, Perfect Relax, Instrumental Music, Mix of Rhythms, Background Songs for Café & Restaurants
Relaxing Jazz Piano Music (Chill Jazz Background Music, Calming Piano Instrumental Songs for Sleep, Relax, Study & Work)
25 Piano Tracks - Jazz Piano Bar for Positive Thinking & Relaxation
Piano Blue Melancholy Jazz – Smooth Cafe, Rainy Restaurant, Relaxing Notes, Sentimental Mood, Midnight Cocktail
Фортепиано джаз: Любовные баллады, Классические фортепианные песни
Jazz Piano Music - Mind Relax, Inner Calmness, Piano Mood Booster
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc69b81b6296845aab4739d3d319347e1627cd4d56474b06a9c4c03d0f5bcc7f9. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLS922021952.
Saturday Jazz Relaxation - Smooth Jazz and Relaxing Sounds
Wake Up Summer Jazz Booster Melody for Relaxation
Smooth Cafe (Sentimental Mood with Soft Jazz Music)
Walk Atmosphere: Piano Pieces to Make You Feel Relaxed
Paws and Piano: Meditative Piano Melodies for Pets
Zen Yoga Resonance: Jazz Piano Harmony for Balance
Magical Mystery: Dark Piano for Dark Writing, Spooky Season
Lullaby Echoes: Jazz Piano Lounge for Baby
Ethereal Piano Serenity: Gentle Waves of Relaxation
Paws and Jazz Keys: Piano for Pet Companions
Serene Yoga Journeys: Jazz Piano Melodies for Flow
Piano Focus: Harmonies for Concentrated Mind
Jazz Piano Wonders: A Dog's Calmness and Delight
Tranquil Waves of Melodies: Piano's Reflective Reverie
Tranquil Dreamscapes: Melodic Piano Sleep Reverie
Autumn Bird-Watching: Cozy Relaxing Piano Session
Ivory Lounge Harmony: Trendsetting Jazz Elegance at the Piano Bar
Coffee Grounds: Aromatic Tales and Morning Musings
Piano Meditations: March Reflections at the Piano, Spring's Awakening, Piano Jazz
Beautiful Piano Emotions – Gentle Piano for Cozy, Extended Evenings
Piano Mornings: Relaxation and Reflection
Purrfect Piano (A Cozy Piano Collection)
Falling into Quiet (Daydreams on Repeat)