Chelsea most commonly refers to: Chelsea, London, an area of London, bounded to the south by the River Thames Chelsea F.C., a Premier League association football club in London, England Chelsea (gi
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 0x37ccae11e5183d231c1c6f19c4db134edb0155c4019ba140896f0959fe38f10f. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/808ae588-90e0-4e38-832e-523fd27b8e19.json and https://artists.proofprofile.net/proofs/artist/808ae588-90e0-4e38-832e-523fd27b8e19.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).