Elshad Aliyev (born September 25, 1979 in Baku), better known by his stage name Elşad Xose, is an Azerbaijani rapper. He is one of the most commercially famous and influential Azerbaijani rappers. Ea
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x682e09487eae3403ebdd51cd0604afda008a527fe4951a509bfc45acdf2b2f08. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e93725bf-5acd-4ec0-a336-c83855a3a55b.json and https://artists.proofprofile.net/proofs/artist/e93725bf-5acd-4ec0-a336-c83855a3a55b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).