Michiko Myfanwy Sellars (born 7 April 1985), known by her stage name MiChi, is a Japanese British pop singer who began her career as an independent artist, but later signed to Sony Music Entertainment
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 0x33d3c263a0cf990619d55e759bd04707e45c1d21fed7278f4818022e7286a4bd. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4e398b3b-07a2-4583-a03d-f7fbb0d6fc52.json and https://artists.proofprofile.net/proofs/artist/4e398b3b-07a2-4583-a03d-f7fbb0d6fc52.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).