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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2670b8be2e09c4bc79b456571aabb002862faae5a98e080f4e1b0cd69882f76. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1db32d85-08e9-4d57-896d-018c8065cbb7.json and https://artists.proofprofile.net/proofs/artist/1db32d85-08e9-4d57-896d-018c8065cbb7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Plus Belle Pour Aller Danser (アイドルを探せ)
Raindrops Keep Fallin' On My Head (雨にぬれても)