Inushiki (犬式 aka Dogggystyle) is a Japanese band, formed in Tokyo, Japan in 1998. The band's members are vocalist Yohei Miyake, guitarist Seitaro Mine, bassist Shoji Ishiguro, and drummer Kazunari Kak
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 0x2fa00a3262701f6ac0dad885c50ff0887fd9d8ea1a6c8c6691a9fd4fd9f58b63. Chain 2 (Bitcoin): anchored in block 953899 (2026-06-16T06:37:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/11e25797-b91a-4ee6-9119-08e7b80fe8de.json and https://artists.proofprofile.net/proofs/artist/11e25797-b91a-4ee6-9119-08e7b80fe8de.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).