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 0x8e22203e342f06c38e13c5ed8f8e6bfb45ab1e7cf1c20eb9b7337c8f8b01553d. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1bbd7b0d-b979-4600-94a2-e36525f3ac43.json and https://artists.proofprofile.net/proofs/artist/1bbd7b0d-b979-4600-94a2-e36525f3ac43.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Romero Quédate. Romero San Juan. Un Tributo de Compañeros y Amigos a la Figura del Artista, del Amigo, del Genio y del Ingenio
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