Nieto (“grandchild”) is a Spanish surname, Neto is the Portuguese version of the name. Notable people with the surname include: Alfonso Nieto (born 1991), Mexican footballer Alfonso Nieto Castañón (b
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 0x08314c9dc6c19d75d74926ead55af48e2b33f78f13b965b7c63221065712d3cf. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2b8d3674-7b98-4a0c-b21f-48c356478174.json and https://artists.proofprofile.net/proofs/artist/2b8d3674-7b98-4a0c-b21f-48c356478174.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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