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 0x73b9dcb32d517cc8a9471b2aa143e6bed5694e6382c37e2c751b454cf39cc4f4. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ca68b935-1ff3-4801-865b-87e4300ca7dc.json and https://artists.proofprofile.net/proofs/artist/ca68b935-1ff3-4801-865b-87e4300ca7dc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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HEXAGON presents: EMOTIONAL WAVES: Vol. 1