Kareem (alternatively spelled Karim, Kerim or Karem) () is a given name and surname of Arabic origin that means "generous", "noble", "honourable". It is also one of the Names of God. Given name Karim
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 0xd37cfb76de730ca5f8274731e666b52cd1b50ee3c78949db47ba53e4653a7745. Chain 2 (Bitcoin): anchored in block 953854 (2026-06-15T23:16:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/02451ff3-2966-4e2c-a0a6-041a451be02c.json and https://artists.proofprofile.net/proofs/artist/02451ff3-2966-4e2c-a0a6-041a451be02c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).