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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x039f340c97e26c342c9c74a384f9b2a4d2a1eb8de408710f238d4b4199bda738. 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/4841b65a-0d5c-4e08-8136-9c36929540da.json and https://artists.proofprofile.net/proofs/artist/4841b65a-0d5c-4e08-8136-9c36929540da.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
There was an Old Woman Who Lived in a Shoe
Classroom Learning Songs for Kids, Vol.1
Rudolph Red Nosed-Kid and more Christmas Songs for Kids
We Wish You a Merry Christmas - Dance Version
We Wish You a Merry Christmas - Sing Along
We Wish You a Merry Christmas - To Everyone
Classroom Learning Songs for Kids, Vol. 2
Animal Sounds Song - What Animal Could It Be
Wheels on the Firetruck - Go Round and Round
Five Little Monkeys - Jumping on the Bed
25 Pre-school Favorite Nursery Rhymes & Songs