E11even is an American luxury lifestyle brand mostly known for its nightclub-stripclub hybrid venue (branded as an "ultraclub") located in Miami, Florida. The brand, which has since expanded into a vo
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 0xc99b0a4aecb756e7cecd8be9b68f7b7191f63b803b8eeaf04260373f6f612cea. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/905cd0ad-4d8e-4cce-ba59-4430a6a00348.json and https://artists.proofprofile.net/proofs/artist/905cd0ad-4d8e-4cce-ba59-4430a6a00348.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).