is a dating sim video game developed by Tamsoft and published by D3 Publisher for the Xbox 360, PlayStation Portable, and PlayStation 3. The game was released in Japan only on August 27, 2009. Gamep
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 0xc1f6bb386e8581d3749a0b323fe0095d49466c8f7663bc9dcd46085e4d09d546. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3a78a074-6282-4014-bb63-d6dbc3171166.json and https://artists.proofprofile.net/proofs/artist/3a78a074-6282-4014-bb63-d6dbc3171166.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).