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 0x4bcb2ec22c931648834f7d4ea2009b92a7827c2eed04e615fe0efa31cf87a78e. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a4956b5e-24a4-4a45-b4ff-6d497576b357.json and https://artists.proofprofile.net/proofs/artist/a4956b5e-24a4-4a45-b4ff-6d497576b357.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Quantic Presents: Worlds Rarest Funk 45s, Vol. 2
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