The Punisher is an antihero appearing in American comic books published by Marvel Comics. Created by writer Gerry Conway and artists John Romita Sr. and Ross Andru, the character first appeared in The
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 0x4bf721949e415b5bc9b3e7f347d0c67456b8feccf1e3111d0c529b72248f4b87. Chain 2 (Bitcoin): anchored in block 953899 (2026-06-16T06:37:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/11d96aea-6734-4262-96c4-bb92af93d713.json and https://artists.proofprofile.net/proofs/artist/11d96aea-6734-4262-96c4-bb92af93d713.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).