Ruvin or Ruwin is a masculine given name. Notable people with the name include: Ruvin Peiris (born 2000), Sri Lankan cricketer Ruwin Peiris (born 1970), Sri Lankan first-class cricketer See also
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 0xabd5105914189f00ee432352f3b17506f51771d4e6647b13caa1d7776aaf587e. Chain 2 (Bitcoin): anchored in block 953786 (2026-06-15T12:56:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d7ef96d6-acf0-4519-aaf5-e888b7e5f027.json and https://artists.proofprofile.net/proofs/artist/d7ef96d6-acf0-4519-aaf5-e888b7e5f027.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
듀엣 (Original Motion Picture Soundtrack), Pt. 2 - He doesn’t see