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 0x75a80bdcc9a3bd76afba5051ddf4eb969009bf374f95aec6630178814ed7c6e0. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ac8899db-5965-42ab-ab9f-79224df3d710.json and https://artists.proofprofile.net/proofs/artist/ac8899db-5965-42ab-ab9f-79224df3d710.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Immer scheen a dä Wändä nah (Erinnerungen an die legendäre Ländlerkapelle)
Bim Sepp im Sportgschäft z'Birglä - Marsch
Immer scheen a dä Wändä nah - Schottisch
Ufem Schwyzerörgeli (Innerschwyzer Stubete)
Schälle und ohni dopplet - Schottisch [Live]