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 0x6056ef4dee421c5711ee45115ed260863a3790eb99a7498f4e390546c3594c60. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/432f4d94-1f26-41b8-b2a6-fc905ed56242.json and https://artists.proofprofile.net/proofs/artist/432f4d94-1f26-41b8-b2a6-fc905ed56242.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cantares de Navidad de Billo Caracas Boys
El Guarachero Inolvidable (Homenaje a Billo)
Ojos malvados / La negra leonor / Letargo / Pa' vigo me voy / Los componedores