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 0x83b0fd3b5d62816460c98a6a33d39205e702afcb8da381c086e9d5b01a7a7af3. Chain 2 (Bitcoin): anchored in block 953759 (2026-06-15T08:04:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b04795ad-56ef-4f01-b3d7-081ddd6cc5ff.json and https://artists.proofprofile.net/proofs/artist/b04795ad-56ef-4f01-b3d7-081ddd6cc5ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
〜同級生フォーエバ（“万引き is 窃盗”チューン）〜
〜茂木淳一のしらばっくれ大名〜P.N.カミキリムシ〜
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