Sharkula (born August 27, 1973) (other alter egos include Thig, Brian Wharton, Thigamahjigee, Sherlock Homeboy, Dirty Gilligan) is a Chicago-area rapper. His lyrics are known for being scatterbrained,
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 0x056690956d9dc735feaf9e117e3699d263ca0ee0acc9af1cde21e6b62f006a05. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4e894f94-8e18-4e03-a230-2ca8f85a12c0.json and https://artists.proofprofile.net/proofs/artist/4e894f94-8e18-4e03-a230-2ca8f85a12c0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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