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 0x5e380d070a3609642f2b08d01264c5eab53e881457f2981ef9d8f0e5538e8b17. Chain 2 (Bitcoin): anchored in block 954043 (2026-06-17T04:15:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3f9be3a9-eaba-4b3e-bc05-ac1401c8df62.json and https://artists.proofprofile.net/proofs/artist/3f9be3a9-eaba-4b3e-bc05-ac1401c8df62.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xb879af3a446adf23ed745ec739c1656fb835b1b42c8b53fd3659f0e18cadd3c5. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/TCABL1225638.
Soothing Brown Noise, Brown Waves and other Ambiences (Loopable Audio for Ambiance, Meditation, Insomnia, and Restless Children)
Pure Brown Noise - Loopable with no fade
Inside Pool with Soothing Brown Waves - Loopable
Dishwasher 1 with Pure Brown Noise - Loopable
Singing Birds with Pure Brown Noise - Loopable
Crickets with Soothing Brown Waves - Loopable
Outside Pool with Pure Brown Noise - Loopable
Outside Pool with Soothing Brown Waves - Loopable
Wind Chimes with Pure Brown Noise - Loopable
Children Museum with Soothing Brown Waves - Loopable
A Busy Market Place with Soothing Brown Waves - Loopable
Inside Pool with Pure Brown Noise - Loopable
Dishwasher 2 with Pure Brown Noise - Loopable
Rainy Parking Lot with Pure Brown Noise - Loopable
Crickets with Pure Brown Noise - Loopable
Market Place with Pure Brown Noise - Loopable
Children Museum with Pure Brown Noise - Loopable
Waterfalls with Pure Brown Noise - Loopable with no fade
Wind Chimes with Soothing Brown Waves - Loopable
Vacuum with Pure Brown Noise - Loopable with no fade
Sink Spray with Pure Brown Noise - Loopable with no fade
Rainy Parking Lot with Soothing Brown Waves - Loopable
Pouring Rain with Pure Brown Noise - Loopable with no fade
Dishwasher 1 with Soothing Brown Waves - Loopable
Pouring Waters with Pure Brown Noise - Loopable with no fade
Running Faucet with Pure Brown Noise - Loopable with no fade
Dishwasher 2 with Soothing Brown Waves - Loopable
Clothes Dryer with Pure Brown Noise - Loopable with no fade
Singing Birds with Soothing Brown Waves - Loopable
Hair Dryer Collection (Loopable Audios for Ambiance, Meditation, Insomnia, and Restless Children)
Hair Dryer on Low - Stationary with Slight Swell
Canciones de Cuna para Bebes - Música Suave y Tranquila de Paz Perfecta para las Madres Embarazadas y sus Bebés
Newborn: Relaxing Music for Pregnancy and Lullabies for Babies to Go to Sleep
Lullabies for Newborns: Natural Sleep Aids
Sleep Baby - Relaxing Instrumental Music for Babies
Rain: Rain Showers, Driving in the Rain, Thunder, Hiding Under a Tree
Listening to a Full Rain from the Pavilion
Rain Drops Dancing on the Car Windshield
Sharp Spring Downpour and Thunder shower
Soft Sleep Harmony - Newborn Music Box Mix
Nighttime Baby Tune - Newborn Music Box Mix
Sleep Well Lullaby - Newborn Music Box Mix
Gentle Bedtime Music - Newborn Music Box Mix
Peaceful Cradle Sound - Newborn Music Box Mix
Starry Night Lullaby - Newborn Music Box Mix
Quiet Night Song - Newborn Music Box Mix
Sweet Dream Tune - Newborn Music Box Mix
Goodnight Baby Song - Newborn Music Box Mix
Cradle Sleep Flow - Newborn Music Box Mix
Arpegiated Children Songs (Nursery Rhymes and other favorites for Insomnia, Meditation, and Restless Children)
Children Songs for Ambiance, Meditation, Insomnia, and Restless Children
Children Songs for Adult Meditations (Audio for Ambience, Meditation, Insomnia, and Restless Children)
Arpegiated Children Songs (Nursery Rhymes and other favorites for Background)
Children Songs for Adult Meditations (Audio for Ambiance, Meditation, Insomnia, and Restless Children)
Children Songs for Meditation (Audio for Ambiance, Meditation, Insomnia, and Restless Children)
Arpegio Kinderliedjes (Nursery Rhymes and other favorites for Background)
Barn Sånger för Atmosfär, Meditation, Sömnlöshet och Rastlösa Barn