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 0xb210d56035c0f62d43935a7d09401a2b88ec3f251f6ba43fe0ea53fd76be9dcf. 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/330efc58-12e2-4b5d-9b41-831538d00f1c.json and https://artists.proofprofile.net/proofs/artist/330efc58-12e2-4b5d-9b41-831538d00f1c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Atkinson, Michael: To the Shores of an Ancient Sea
The Sky Dreams The Sea, The Sea Dreams The Sand
To the Shores of An Ancient Sea: To The Shores Of An Ancient Sea
The Sky Dreams the Sea, the Sea Dreams the Land
Isle of Saincs and Poecs: Isle of Saints and Poets