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 0xeeef1f1a5dad24bb395154172e28f35f26926bfd2ef8ab753cac92927a899d6a. 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/84e8d1ba-f8b4-4805-bdce-28818e72e3a1.json and https://artists.proofprofile.net/proofs/artist/84e8d1ba-f8b4-4805-bdce-28818e72e3a1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lazy Saturday Afternoon - Faster Version
The Valentine's Song (A Love Story) - Acoustic Version
Holding Your Hand - Normal Speed Version
The Harp Song (If I Could Play the Harp)
The Duck Song (The Duck And The Lemonade Stand)
Cocoa the Cute Little Coo Coo Calico Kitten
Wish Upon a Star Tonight (Faster Version)
The Duck Song (The Duck and the Lemonade Stand)
The Valentine's Day Song (Acoustic Version)
Holding Your Hand (Normal Speed Version)
The Valentine’s Day Song (Faster Acoustic Version)
Sally Sells Seashells (Normal Speed Version)
Sing You a Rainbow (Normal Speed Version)
All I Want for Christmas Is to Spend All of My Christmases With You
The Christmas Duck Song (Instrumental Version)
THE DUCK SONG (Modernmadeit Remix) - Sped Up
The Long Duck Song (Duck Songs 1 Thru 5 Together)