Keem is a surname. Notable people with the surname include: Keemstar (born Daniel Keem; 1982), American internet personality Hella Keem (1915–1997), Estonian folklorist and linguist See also Baby
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 0x6386852c42860d2ec585d777f5d2d3d6485552c831c25fbc77ea3974b45b3677. Chain 2 (Bitcoin): anchored in block 953915 (2026-06-16T08:36:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/192ecbe9-612f-4a6a-aa46-10713ce7773a.json and https://artists.proofprofile.net/proofs/artist/192ecbe9-612f-4a6a-aa46-10713ce7773a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).