Reagan Muhairwe (born 12 June 1992), commonly known as Ray G Rhiganz, is a Ugandan singer and songwriter. He mainly sings heritage music in Runyankore. He started singing in 2009 while at school until
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 0x7b5aceb02383e694a2b3b1c97c7471cd379ab5e208c9b541f540d2aec05715af. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/47285e77-7af8-49e3-b716-085530559ae9.json and https://artists.proofprofile.net/proofs/artist/47285e77-7af8-49e3-b716-085530559ae9.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.