Lost in Blue (Survival Kids in Japan) is a series of survival video games developed and published by Konami. They revolve around the main characters being castaways on a desert island and being forced
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 0x6dc565624797e9a0183294b0806bd97cf10e6eddab37b38eb4e6e5fa98f53b50. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ad46da42-bfb3-4f32-bf68-6852f5c34306.json and https://artists.proofprofile.net/proofs/artist/ad46da42-bfb3-4f32-bf68-6852f5c34306.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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