1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35c9cd64dbf03994a267cb768181a92919615ef579f6ed1f7930d90f90927d3d. 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/dfcd1c05-05cb-485b-886b-abd82159b5ab.json and https://artists.proofprofile.net/proofs/artist/dfcd1c05-05cb-485b-886b-abd82159b5ab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La vie en... Rock (15 classici a 88 tasti!)
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