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 0x335aa9f5f60ce99c9425b91d32f6213051b3b805a2735da8977b77304cf1d80b. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/adcc989c-d763-4811-9e24-a50357e86d2f.json and https://artists.proofprofile.net/proofs/artist/adcc989c-d763-4811-9e24-a50357e86d2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Golden Age of Light Music: Buried Treasure
Associated British Picture Corporation Orchestra
Song of Soho: Rhapsody for Piano and Orchestra (From the film 'Murder Without Crime')
Target for Tonight (Theme from the Film)
There is a Tavern in the Town - Juke Box Fantasy
Popular Melodies (Selection): Don't ask me why, Springtime in Vienna, White Horse Inn, Hallo! Sweet Fairy Doll, Hallo You
The Golden Age of Light Music: The Show Goes On