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 0xe014b15feca5129e6356667b6756dd9978e1d5a98e1215e54394257f422191b5. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c2a82d4-3f4d-464d-8290-cc78599f99a3.json and https://artists.proofprofile.net/proofs/artist/7c2a82d4-3f4d-464d-8290-cc78599f99a3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
50 Shades of Classical Piano – Emotional Tantric Music, Love Songs, Erotic & Relaxing Piano, Making Love Music, Night Lovers, Special Moments, Intimacy and Love
Jazz for Total Relax – Soft and Soothing Piano Jazz, Piano Sounds for Stress Relief, Background Music to Relax, Beautiful Moments
Sweet Piano Music – Piano Shades, Piano Jazz, Best Piano Music, Jazz Instrumental Music, Soothing Piano Sounds, Background Music to Relax
Mellow Music – Soft Jazz, Sleep Well with Jazz, Chill Piano, Smooth Evening
Piano Shades – Calming Piano Jazz for Bad Days, Instrumental Piano for Sad Days, Sadness, Cure Depression, Jazz Night Sounds
Jazz Dance – Summertime for Jazz, Ambient Jazz
Mood Music – Jazz Moods, Piano Bar, Restaurant Dinner, Soft Jazz, Evening Bar
Moody Jazz – Jazz for Lonely People, Smooth Jazz, Sad Sax, Easy Listening
Simple Guitar Jazz – Soft Guitar Jazz, Easy Listening Piano, Jazz Night, Blue Moon
Slow Jazz Music for Relaxation – Soothing Sounds of Jazz, Piano Bar, Relaxing Moments, Jazz Time
Something Fabulous – Date, Candlelight, Air Wave, Modern Approach, Invitation to Dinner
Sounds of the City - Streets in Love, Coffee Cup, Dances to Late, Good Mood
Gentle Piano Songs - Instrumental Piano Music Flowing in Silence to Reduce Stress, Cure Insomnia and Deep Relaxation
Beautiful and Relaxing Jazz Piano - Heal Your Mind and Find Love
Calming Night Piano Vol. 2: Moody Piano Background for Restaurant, Dinner Party, Brunch Time, Wine Tasting, Relaxation
Autumn Silence: Fall Piano Music for Relaxing
Ambient Lullabies: 8 Hours Sleep Hypnosis for Babies (Fairy Tales Piano for Toddlers)
Midnight Piano Music in Paris: Moody Piano Background for Restaurant, Dinner Party, Brunch Time, Wine Tasting, Relaxation
Piano Lullabies: Playlist Relaxing Sounds for Baby Nap Time, Soothing Songs for Trouble Sleeping for Newborn, Nursery Rhythms for Sleep Deeply
Piano Jazz for Sleep – Calming Piano Music, Best Jazz Collection, Instrumental Relaxation before Sleep
Seasonal Nostalgia: 20 Winter Piano Pieces, Moments of Reflection, Nostalgic End of the Year
Pianist's Canvas: Beautiful Piano Collection
Serenade of Dewdrops: A Collection of Delicate Piano Pieces
Mellow Musings: A Collection of Cool Piano Jazz