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 0x2cccc8f39fd9b1c53be61f96c0f370b1037dac1588fca113f7c526f6e79357f6. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4ca025b1-b5d6-4bd6-b3f9-b9ca20723998.json and https://artists.proofprofile.net/proofs/artist/4ca025b1-b5d6-4bd6-b3f9-b9ca20723998.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bathing Children - Sounds of Water, Toys Baths, Laughter and Fun, Smell Lawenty Calms, Pleasant Sleeping
50 Healing Tracks for Sweet Baby’s Dreams – Natural Trouble Sleeping Therapy, Gentle Instrumental Lullabies, Bedtime for Little Baby
Baby Massage Oil and Relaxing Bath before Sleep: Blissful Bedtime
Bath for My Baby: Soothing Music to Calm Your Baby During Bath Time, Beautiful Relaxing Sounds
Bubble Spa for Babies: Enchanted Soundscapes for Evening Bath
Baby Bathing Wellbeing: Relaxation Music for Calm Baby Bath Time
Baby Bath Time: Cheerful Sounds and Splashing Water, First Bath, Calm Baby in the Bath
Bath and Bedtime: Nurturing, Warm and Baby Wellness
Marine Lullabies: Super Relaxing Baby Music, Music for Babies to Fall Asleep Fast, Soft Oceanic Lullabies, Bedtime Lullaby for Sweet Dreams
Little Wonders: Beautiful Instrumental Lullabies for Babies, Soft Ambiance Music