Kim Ryeong-hwa (; born July 4, 1991), better known by her stage name Sleeq (), is a South Korean rapper. She joined the hip hop record label Daze Alive in 2013, and has released two full-length albums
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 0x4cae9bc122cbf8ef5ed8e71a440239668fcf77de523b7c3b120492305924b365. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ee807f55-d7ac-4903-9ff5-80ebcd23a37b.json and https://artists.proofprofile.net/proofs/artist/ee807f55-d7ac-4903-9ff5-80ebcd23a37b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).