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 0xdfed6679936a15a305dd6e1d76ec5c146b292b05fdd9ea6abf87fb7405a800ca. 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/cdf2d348-0f1a-4b3f-9ffb-dcefb9c63f48.json and https://artists.proofprofile.net/proofs/artist/cdf2d348-0f1a-4b3f-9ffb-dcefb9c63f48.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Head Shoulders Knees and Toes - Nature Sounds
Old MacDonald Had A Farm - Nature Sounds
If Happy And You Know It Clap Your Hands - Nature Sounds
On The Top Of Old Smokey - Nature Sounds
Five Little Speckled Frogs - Nature Sounds
Here We Go Round the Mulberry Bush - Nature Sounds
Twinkle Twinkle Little Star - Nature Sounds
How Many Miles to Babylon - Nature Sounds
If Wishes Were Horses Beggars Would Ride - Nature Sounds
Mary Mary Quite Contrary - Nature Sounds
Schwanen-Thema (Theme of the Swans) - from the Ballet Swan Lake, Op. 20
If Wishes Were Horses, Beggars Would Ride