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 0x7495eb40c1d1061ec4eb74a0374240c44dad67b90f947f9242e66adb3b54ab0c. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6952223e-b490-4153-8b36-1a5cfb9146df.json and https://artists.proofprofile.net/proofs/artist/6952223e-b490-4153-8b36-1a5cfb9146df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bedtime Lullabies and Nursery Rhymes for Children, Babies, Infant Sleep Aid, Lullaby, Relaxation and Peaceful Sleep
There Was a Farmer Who Had a Dog (BINGO)
Happy Birthday to You (Good Morning to You)
The Incy Wincy Spider (The Itsy Bitsy Spider)
Bedtime Lullabies and Nursery Rhymes Vol. 2 for Children, Babies, Lullaby, Relaxation and Peaceful Infant Sleep
Music for Baby's First Sounds: Rhythmic Beginnings
Lullabies for Baby Sleep: Nighttime's Gentle Tones