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 0x9f53c346e690f3bdf3341bcd1c5de94f083a5c1f6541c70d9328ca77cf5e3a2a. Chain 2 (Bitcoin): anchored in block 954729 (2026-06-21T18:16:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f89538e4-6663-44de-b4f1-35defda656b6.json and https://artists.proofprofile.net/proofs/artist/f89538e4-6663-44de-b4f1-35defda656b6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sleep Songs - Nursery Rhymes and Music for Children, Time Song for Newborn, New Age Sleep, Baby Lullaby
111 Soft Music for Dreaming: Baby Sleep Throught the Night, Gentle and Relaxing Songs, Newborn Sleep Music Lullabies
Soothing Sounds for Your Baby: Pure Nature Sounds, White Noise, Nursery Rhymes, Sleep Aid for Newborn, Music for Sleeping and Bath Time, Lullabies Ocean Waves, Quiet Sounds Loop for Bedtime
Laying on the Sofa Music: Total Relax, Deep Sleep, Calming Nature Sounds, Meditation, Yoga Session, Reiki Massage
Relaxing Piano Music for Children: Sleep Time, Songs to Calm Your Baby, Lullabies Therapy for Newborn, Children & Kids
Music for the Womb: Cognitive Development, Building Baby IQ, Junior Einstein, Calm Baby & Calm Mum
Calmness in Mother’s Arms: 50 Lullaby Soothing Sounds, Instrumental New Age for Mommy and Baby, Nap Time, Natural Sleep Aid, Cure for Baby Insomnia
Calm Baby: Buddha Lullabies – Relaxing Music for Babies, Beautiful Dreams, Soft Piano Bar and Violin, Fast Fall Asleep
Sweet Lullabies for Babies: Gentle New Age Music for Calm Down, Sleep Therapy and Nice Dreams
Amazing 50 Cure for Baby Insomnia: New Age Lullaby Music for Baby, Nap Time, Sounds of Nature to Help Your Sweetheart Sleep, Songs for Toddlers
Blissful Children's: Music for Sleep – Infants Lullaby, Baby Relaxing, Calm Little One, Newborn Stay Happy & Healthy
Soothing Dreams (Baby Sleep Lullabies, Soothing Music to Calm Dow Your Baby, Gentle Piano Sounds to Fall Asleep, Relaxation before Bed Time)
Music for Baby Deep Sleep (50 Soothing Melodies for Dreaming, Gentle Piano Songs for Cure Baby Insomnia, Total Relaxation, Songs for Trouble Sleeping for Newborn)
Toddlers Sleep Instrumental Music: Calming Sounds to Help Your Baby Sleep, Nap Time, Relaxation, Piano & Cello Lullabies for Little Ones
Zen Lullabies: Collection for Babies and Kids All over the World, Help a Tired Baby Go to Sleep
Sleep Lullabies Baby: Gentle Piano Music for Deep Sleep, Calm Babies & Newborn, Baby Sleep Through the Night, Relaxation Nature Sounds
Hush, Hush My Angel - Ambient New Age Sleep Music Dedicated to Newborns, Goodbye Lullaby, Self Hipnose, Sleep Baby Sleep, Soft Sound, Cradle Song
Relaxation Meditation for Sleep - Delicate Sounds for the Youngest
Close Your Eyes, Dear – Gentle Piano and Nature Melodies for Toddler’s Sleep, Good Night, Moonlight, Newborn
Kids Therapy Music: Calming Music for Sleep
Toddler Lullaby Solution - Music for Tranquil Slumber
Bedtime Lullabies - Relaxing New Age Sleep Aid
Sleep Lullabies Baby 2022: Gentle Piano Music for Deep Sleep, Calm Babies & Newborn, Baby Sleep Through the Night, Relaxation Nature Sounds
White Noise for Baby Sleep: Gentle Babies Lullabies for Sleep
Enchanted Realm of Childhood: Babies Tranquil Nights in the Cradle