Centeno is a surname. Notable people with the surname include: Bruno Centeno (born 1988), Argentine footballer Diego Centeno (1514–1549), Spanish conquistador Jesus Centeno (born 1983), Venezuelan ba
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1318b8afb09ce4b1bc10d64d0ceecb7f48282769e9f944c65d0f318147bf8a6a. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e3b9db6f-6289-40ae-8d49-f7ebb7938ea3.json and https://artists.proofprofile.net/proofs/artist/e3b9db6f-6289-40ae-8d49-f7ebb7938ea3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).