1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x9cc12724597ea1311714415d488018a62150d0960cff5cb7f8550f7f50dcf670. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fcac602a-c091-4cf8-b90a-dcfbe41532db.json and https://artists.proofprofile.net/proofs/artist/fcac602a-c091-4cf8-b90a-dcfbe41532db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Clock over ORQUESTA First season BATTLE (Vol.12 Tokito Reiji [quieto])
Clock over ORQUESTA First season BATTLE (Vol.12 朱鷺燈 零士【quieto － クイエート －】)