Rob St. John is an English writer, artist and musician. Early life Rob St. John was born in Lancashire, and spent his childhood living on Pendle Hill. Career Music St. John's debut album, Weald, wa
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 0xc5fe7e87a8b517fe44f7bc576016eb45df85f4cfda679e2b5009823f0d9b3ce2. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd0972fc-c1f3-4897-8e28-42d1bb1172f7.json and https://artists.proofprofile.net/proofs/artist/dd0972fc-c1f3-4897-8e28-42d1bb1172f7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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