Richard Fenn (born 23 May 1953) is an English rock guitarist. He has been a member of the band 10cc since 1976 and has also collaborated with Mike Oldfield, Rick Wakeman, the Hollies singer Peter Howa
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 0xdc16a94c24850ae68c32ab8207d8d55184e7fb771b3c4c63dd30549a9c697fc2. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6b78d2b1-8e23-45e0-ae70-abbf4385ee71.json and https://artists.proofprofile.net/proofs/artist/6b78d2b1-8e23-45e0-ae70-abbf4385ee71.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).