Caronte is the Italian, Portuguese and Spanish name of Charon, the boatman of Hades, appearing in numerous versions of the legend of Orpheus: Caronte in Caccini's Euridice Caronte in Peri's Euridice
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 0xa858635514510bb77276d94816eed0ffe8808f94dc80ec88df02132937ef9da2. Chain 2 (Bitcoin): anchored in block 953772 (2026-06-15T10:33:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5e52d53-3c28-478a-956c-d210f9fd8e0d.json and https://artists.proofprofile.net/proofs/artist/c5e52d53-3c28-478a-956c-d210f9fd8e0d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).