Germán Silva Martínez (born 9 January 1968) is a Mexican former long-distance runner who specialized in the marathon. His foremost achievements were back-to-back victories at the New York City Maratho
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6b6cc21a770adcc1d331e9197510a27163c4d32c8ed8c20a6be771e0e8f3a8. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8bf48318-97e0-425a-ac9b-db6c0319bb68.json and https://artists.proofprofile.net/proofs/artist/8bf48318-97e0-425a-ac9b-db6c0319bb68.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).