Wilker is a name. Notable people with the name include: Given name Wilker (footballer, born 1987), full name Wilker Pereira dos Santos, Brazilian football forward Wilker Ángel (born 1993), Venezuelan
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 0xe1a617f516452e26869e89b96ebe6c7cbb007ae962ea4f8d6dd63404ea8f4a2f. Chain 2 (Bitcoin): anchored in block 954063 (2026-06-17T07:49:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4781c789-fba4-4d3a-bc74-28a3402c60d0.json and https://artists.proofprofile.net/proofs/artist/4781c789-fba4-4d3a-bc74-28a3402c60d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).