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 0x509b2ee1c63c0ad19751ec0dedc0cefd2380417d9b911029155246025a896a01. 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/fa011b7d-535e-4781-9abe-a24ddb43f585.json and https://artists.proofprofile.net/proofs/artist/fa011b7d-535e-4781-9abe-a24ddb43f585.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Padre e padrone (Original Motion Picture Soundtrack)
Parigi (From "I Tre Moschettieri" - Opera Pop)
Parigi - From "I Tre Moschettieri" - Opera Pop