DJ Hollywood (born Anthony Holloway; December 10, 1954) is an American MC and disc jockey. His rhythmic MC sets have led him to be credited as one of the first-ever rappers. Career In the 1970s, DJ H
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 0xfbbb5b247c11de5b2eea03fadbdaa95556adda7ce652b6885e4909b3f3c4c634. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8057a561-f132-4ff2-a99f-56ac8718e20e.json and https://artists.proofprofile.net/proofs/artist/8057a561-f132-4ff2-a99f-56ac8718e20e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).