Donald Richards can refer to: Donald Richards (cricketer) (born 1942), Antiguan cricketer Donald Richards (singer) (1919–1953), American singer Donald Richards (statistician) (born 1955), Jamaican
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 0x6ba9c01393c429ead2f5a1245b408f55dce3b37625a788deb5206b9c4d73e4e5. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d0c329a3-2580-427f-b608-2a6d1ba5b1ab.json and https://artists.proofprofile.net/proofs/artist/d0c329a3-2580-427f-b608-2a6d1ba5b1ab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).