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 0xd91a822b0dcc874fb8662312f2380144fb52426a54c7eeb26023ff12dcabe8de. Chain 2 (Bitcoin): anchored in block 953759 (2026-06-15T08:04:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b001b26a-9c5d-4d18-9f36-a84828be1d06.json and https://artists.proofprofile.net/proofs/artist/b001b26a-9c5d-4d18-9f36-a84828be1d06.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fiesta Mix 3.0 Cumbia Latina: 40 Grados / La Gota Fria / La Chica Bomba / El Patituco