Uziel or Uzziel () is documented as a Jewish family name in early 15th century Spain. Notable people with this surname include: Ben-Zion Meir Hai Uziel Isaac Uziel Jacob Uziel Joseph Uziel Jud
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 0x4e06c2cc8dca4f7da31a80f36bccca1b8b3a4badedf0f8817d64e04ddf329e92. Chain 2 (Bitcoin): anchored in block 953879 (2026-06-16T02:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/09023be8-3ed9-4068-8fd8-80fe5155bee0.json and https://artists.proofprofile.net/proofs/artist/09023be8-3ed9-4068-8fd8-80fe5155bee0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).