1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x15d541f58e5181c19188b70a3353b66663eb40df6a78291a1caec7cea626a9ae. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f86b0576-b864-4060-abbf-5fc62fe54299.json and https://artists.proofprofile.net/proofs/artist/f86b0576-b864-4060-abbf-5fc62fe54299.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piano and Ocean Waves - Relaxing Instrumental Music and Nature Sounds
All I Ever Wanted - for Sleep - with Waves Sound
Sleeping Piano - Anna (with Waves Sound)
Sleeping Piano - Last Holiday - with Waves Sound
Relaxing Sleep - Taking It Slow - Ocean Sounds
Piano for Sleep - Seven Clouds (Ocean Sounds)
Piano for Sleep - Healthy Mind (Waves Sound)
Relaxing Sleep - Darkness (Waves Sounds)
Calm Piano - Free from Strife, Ocean Sound
Sleeping Piano - Euphotic Seal (with Ocean Sound)
Relaxing Sleep - Deep and Gloomy Silence - Waves Sounds
Relaxing Sleep - Gratitude (Waves Sounds)
Piano for Sleep - One with Yourself, Sea Waves
Sleeping Piano - Escape Into the Wild - with Ocean Waves
Piano for Sleep - After Rain Comes Sun (Ocean Sounds)
Sleep Piano - Natural Marvel - with Waves Sound
Piano for Sleep - Lost Minds, Waves Sound
Piano for Sleep - Half Moon Pose (Sea Sound)
Sleeping Piano - Quiet Tunes (with Sea Waves)
Piano for Sleep - The Best of You (Beach Sound)
Relaxing Sleep - Just a Lullaby (Waves Sounds)
Piano for Sleep - Summertime Is Coming, Waves Sound
Piano for Sleep - All I Ever Wanted - for Sleep - with Waves Sound
Sleeping Piano - Unwritten Diary (with Waves Sound)
Piano for Sleep - Moonlight Shadow, Waves Sound
Relaxing Sleep - Awakening - Waves Sounds
Relaxing Sleep - Eternity - Beach Sounds
Piano for Sleep - Celestian Stone - with Waves Sound
Sleeping Piano - Explore Your Soul (with Waves Sound)
Piano for Sleep - Purple Night (Sea Sound)
Piano for Sleep - Crystal Clear, Ocean Waves
Relaxing Sleep - Hovering (with Waves Sound)
Sleep Piano - Smells Like Summer (with Waves Sound)
Relaxing Sleep - Inner Strength - Waves Sounds
Aromatic Smell of Spring (with Waves Sound)
No Tension in the Air - with Ocean Sound
Ocean Waves Sounds, Soothing Piano Music
Newborn Baby Sleep Aid (Ocean Waves & Piano)
Sleeping Piano - Kilian (with Waves Sound)
Piano for Sleep - Waking Up (Waves Sounds)
Sleeping Piano - You & Me (with Waves Sound)
Sleeping Piano - Staring at the Horizon (with Sea Waves)
Sleep Piano - Vacation (with Waves Sound)
Relaxing Sleep - Nostalgia - Waves Sounds
Sleeping Piano - Silver Moon (with Sea Sound)
Relaxing Sleep - Isolation - Waves Sounds
Sleep Piano - Natural Relationship - with Waves Sound
Relaxing Sleep - Soul Sanctuary - Waves Sounds
Relaxing Sleep - Shimmering (Waves Sounds)
Relaxing Sleep - New Beginning - Ocean Waves
Piano for Sleep - Turquoise Water - with Waves Sound
Calm Piano - Light the Night (Waves Sound)
Sleeping Piano - Floating Clouds (with Waves Sound)
Relaxing Sleep - At Dusk (with Waves Sound)
Relaxing Sleep - Feeling Strong - Waves Sounds
Piano Music for Sleeping with Ocean Waves Sounds
Ocean Waves Sounds: Soft Piano Music for Sleeping
Piano for Sleep - Perfectionism, Waves Sound
Sleeping Piano - Time Goes by (with Ocean Sound)
Relaxing Sleep - Feng Shui (Waves Sounds)
Relaxing Sleep - Feeling of Security (Waves Sounds)
Piano for Sleep - Eight Hours - with Sea Waves
Piano for Sleep - Sleep Cycle (Sea Sound)
Piano for Sleep - Be My Valentine (Ocean Waves)
Sleeping Piano - Contemplation (with Waves Sound)
Relaxing Sleep - Bright Eyes - Ocean Waves
Piano for Sleep - Sandman Is Coming - with Waves Sound
Relaxing Sleep - Deep in Your Soul - Waves Sounds
Sleep Piano - Morning Lights (Waves Sound)
Sleeping Piano - Beautiful Imagination (with Waves Sound)