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 0x95c084a38a56a557334d6a13b2358e5bac053d55b046e30c09bf63969b8b6b38. Chain 2 (Bitcoin): anchored in block 953777 (2026-06-15T11:52:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c9f20308-75ac-44c9-9f89-f43342c496d5.json and https://artists.proofprofile.net/proofs/artist/c9f20308-75ac-44c9-9f89-f43342c496d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
トレース・ファルサス・ラグリマス
ニューヨークの雨の日（恋に落ちた猫と行方不明の太陽）
A Rainy Day in New York (The Cat in Love and the Missing Sun)
A Rainy Day in New York - The Cat in Love and the Missing Sun
A Rainy Day In New York (The Cat In Love and The Missing Sun)
A Rainy Day In New York (The Cat In Love and the Missing Sun)
A rainy day in New York (The cat in love and the missing sun)