Yasemi is a surname. Notable people with the surname include: Mihalis Yasemi (died 2017), Cypriot footballer Siamak Yasemi (1925–1994), Iranian director, screenwriter, producer, and poet
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 0x91df3fa97b68a4facff1f7312c18297514ff2f988dd2156c1d01f3cd9043141a. Chain 2 (Bitcoin): anchored in block 953714 (2026-06-15T00:43:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/817b5896-7df4-4fa1-9e53-bc7e82a3ed28.json and https://artists.proofprofile.net/proofs/artist/817b5896-7df4-4fa1-9e53-bc7e82a3ed28.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).