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 0xbc50923b33b14d9cb91ebfffe9fba8a0e9b594643cb0dc89ba3d3d8995c7e488. 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/08458a36-f086-48b9-8045-5f7f2bbe067e.json and https://artists.proofprofile.net/proofs/artist/08458a36-f086-48b9-8045-5f7f2bbe067e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mama / O sole mio (feat. Otto Francker et son orchestre) [Mono Version]
Medley Vacanze In Riviera: Riviera Romagnola, Bellaria Igea Marina, Ritorna A Rimini, Riccione By Night, Romagna Mia
Souvenir D'italie: Italian Folk Collection, Vol. 2