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 0xe681c21482552a7edfa2db9bab7db32bc0dc80de404b1758683bed9e10148490. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/902f5fca-5031-4bfe-8fcf-fe24f045cba9.json and https://artists.proofprofile.net/proofs/artist/902f5fca-5031-4bfe-8fcf-fe24f045cba9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Baby Lullabies For Sleep: Soft Piano Music For Babies, Baby Lullaby Music Sleep Aid, Soothing Baby Music For Baby Sleep
Sleep Music: Cicadas Forest Sound For Baby
Kids Relaxation: Kids Playtime Songs Vol. 2
Sounds For Kids: Soothing River Currents For Sleepy Kids
Binaural Beats Brain Synchronization Vol. 1
Baby Sleep: Mellow Sound Goodnight Piano Lullaby Vol. 1
Dreamy Duets: How Nursery Rhymes Create Peaceful Nights for Babies
Sleep: Calming Rain Ambience for Insomnia Vol. 1
Strengthen Your Mindset with BINAURAL Beats Vol. 1
Baby Sleep: Soothing and Cozy Rain Ambience Vol. 1
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 0x7af81bf12142472fd51152dc7d6b782f1027847ffe85f849a317bda39dfc0f79. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZNW72325076.
Serenity in Sleep: Music for Baby's Tranquil Slumber
Serenade of Dreams: Crafting the Magic of Baby Sleep
Enchanted Chorus: Nature's Blissful Melody
Music for Babies: Twilight Tunes for Tiny Hearts
Baby Sleep: Twilight Serene Dreams Tunes
Lullaby Serenity: Gentle Tunes for Baby Sleep
Forest Fantasia: Baby Sleep Enchantments
Baby Sleep's Serenade: Jazz Piano Harmony
Jazz Piano Lullabies: Night Songs for Baby Sleep
Baby Sleep Music: Gentle Lullabies for Rest
Singing Fathers, Peaceful Babies: Nursery Rhymes' Role in Sleep
Lullabies for Baby Sleep: Gentle Night Harmonies
Frosty Friends and Fun: Nursery Music for the Holidays
Baby Sleep Soothing Binaural Birds: Nature's Lullaby