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 0x8e5fae426e146b5678520c694e255b29b04a2de8dfa96aac86a31d2cdfe9d8e0. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a794b8e-79a5-490a-a31c-40585e694c4e.json and https://artists.proofprofile.net/proofs/artist/7a794b8e-79a5-490a-a31c-40585e694c4e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chopin: Polonaise-Fantaisie in A-Flat Major , Op. 61
Chopin: Nocturne No. 20 in C-Sharp Minor, B.49
Nocturnes, Op. 9: No. 2 in E-Flat Major. Andante
Together in Our Old Town Playing a Piano
Stepping into Autumn Comforting Piano, Pt. 29
Stepping into Autumn Comforting Piano, Pt. 30
Beautiful Piano Pieces for Relaxation, Pt. 10
The Dream Sequence Ambient Piano , Pt. 20
Calm Rain Piano (Rain and Piano Sounds for Sleep)
Sleepy Starlight Sonata - Piano Rain for Sleep
Restful Nocturnes - Piano Rain for Sleep
Piano Rain for the Weary - Piano Rain for Sleep
Sleepytime Piano Echoes - Piano Rain for Sleep
Serenade of the Moon - Piano Rain for Sleep
Dreams in Piano Rain - Piano Rain for Sleep
Midnight Meditations - Piano Rain for Sleep
Piano Rain for Relaxation - Piano Rain for Sleep
Serenades for Slumber - Piano Rain for Sleep
Dream Chaser's Nocturnes - Piano Rain for Sleep
Moonlit Ivory Lullabies - Piano Rain for Sleep
Celestial Sleep Sonata - Piano Rain for Sleep
Whispers of the Wind - Piano Rain for Sleep
Starlit Melancholy - Piano Rain for Sleep
Restful Dreams in Harmony - Piano Rain for Sleep
Cascade of Dreams - Piano Rain for Sleep
Pillow Soft Serenades - Piano Rain for Sleep
Dusk to Dawn Reveries - Piano Rain for Sleep
Midnight Tranquility - Piano Rain for Sleep
Gentle Keys of Night - Piano Rain for Sleep
Slumbering Rhapsody - Piano Rain for Sleep
Bedtime Reflections - Piano Rain for Sleep
Hush of the Evening - Piano Rain for Sleep
Moonbeam Serenades - Piano Rain for Sleep
Dreamland Melodies - Piano Rain for Sleep
Nightfall Ruminations - Piano Rain for Sleep
Drifting in the Clouds - Piano Rain for Sleep
Dream Weaver's Lullaby - Piano Rain for Sleep
Celestial Keynotes - Piano Rain for Sleep
Midnight Sonata Dreams - Piano Rain for Sleep
Nightfall on the Keys - Piano Rain for Sleep
Slumber Soundscapes - Piano Rain for Sleep
Ambient Lullabies - Piano Rain for Sleep
Soothing Pianoforte - Piano Rain for Sleep
Melodies for Moonlit Dreams - Piano Rain for Sleep
Harmony of the Stars - Piano Rain for Sleep
Dream Chaser's Melodies - Piano Rain for Sleep
Piano Hues in Twilight - Piano Rain for Sleep
Soft Raindrops on Keys - Piano Rain for Sleep
A Lullaby for the Moon - Piano Rain for Sleep
Nighttime Meditations - Piano Rain for Sleep
Piano Lullabies for Dreamers - Piano Rain for Sleep
The Pianist's Sleep Spell - Piano Rain for Sleep
Piano Rain for Dreamland - Piano Rain for Sleep
Dreams in Starlight - Piano Rain for Sleep
Midnight Piano Serenades - Piano Rain for Sleep
Sleepytime Piano Nocturnes - Piano Rain for Sleep
Serenades of Moonlight - Piano Rain for Sleep
Piano Rain for the Soul - Piano Rain for Sleep
Piano Rain for Midnight Dreams - Piano Rain for Sleep
Nocturnal Piano Dreamscape - Piano Rain for Sleep
Sleepy Piano Moonbeams - Piano Rain for Sleep
Celestial Slumber Serenade - Piano Rain for Sleep
Soporific Serenades - Piano Rain for Sleep
Slumber's Symphony - Piano Rain for Sleep
Whispers in the Night - Piano Rain for Sleep
Stardust on the Ivories - Piano Rain for Sleep
Piano Dreams for Sleep - Piano Rain for Sleep
Quiet Piano Tales - Piano Rain for Sleep
Dreamer's Serenade - Piano Rain for Sleep
Nocturnal Piano Waves - Piano Rain for Sleep
Midnight Dreamcatcher - Piano Rain for Sleep
The Pianist's Lullaby - Piano Rain for Sleep
Sleepytime Concerto - Piano Rain for Sleep
Pensive Nocturnes - Piano Rain for Sleep
Dreamy Piano Twilight - Piano Rain for Sleep
Moonlight Lullaby Whispers - Piano Rain for Sleep
Piano Rain Lullabies - Piano Rain for Sleep
Stardust Serenades - Piano Rain for Sleep
Dreams in Harmony - Piano Rain for Sleep
Keys to a Peaceful Night - Piano Rain for Sleep
Celestial Dreaming - Piano Rain for Sleep
Midnight Piano Escapades - Piano Rain for Sleep
Dreamcatcher's Sonata - Piano Rain for Sleep
Serenades for the Weary - Piano Rain for Sleep
Nightfall Lullabies - Piano Rain for Sleep
Sleepytime Piano Rain - Piano Rain for Sleep
Moonlit Dreamscape - Piano Rain for Sleep
Piano Rain for Starlit Nights - Piano Rain for Sleep
Drowsy Piano Serenades - Piano Rain for Sleep
Dreamland Piano Melodies - Piano Rain for Sleep
Serenades of Twilight - Piano Rain for Sleep
Sleepy Piano Hues - Piano Rain for Sleep
Moonlit Piano Dreams - Piano Rain for Sleep
Umbrella of Stars: Celeste Nursery Rain Showers
Gentle Rainfall Caught in Little Fingers
Piano's Soothing Embrace: Calming Sounds for Unwinding
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 → block OTSBitcoinBlock must exist at that height 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 0x4823b3ffd94559d3b67222d319b41301a177077ae6c435eecd40ed01134498bc. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZYXP2316147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc92e52de470520f728c758e3315fc4eca5d01a56deb6f22d1ca1b6b834192170. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZYXP2316148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3655a9b2e434aa4392302c643f3047c50394dfc82bf835941aa1cd5efacf5b96. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZYXP2316149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2420f91917d46a4a2792b39e9bce3b69f46f059d41c16ea0ace0b93dce121743. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZYXP2316159.
Mindful Melodies: Calming Piano Music for Meditation
A Collection of Central Park Autumn Piano Sounds