Summoners War: Sky Arena is a mobile turn-based strategy massively multiplayer online game created by South Korean game developer, Com2uS. The game was announced and released at the Electronic Enterta
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 0x97344640f5ba6fd4cac3cd29a36c230eaceda21aa5a252f063d89d6e7cff2735. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f101f0ef-d470-4cca-91ab-6b0d1671951f.json and https://artists.proofprofile.net/proofs/artist/f101f0ef-d470-4cca-91ab-6b0d1671951f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
SWC2022 MAKE YOUR MARK (Original Soundtrack)
Summoners War: Sky Arena 10th Anniversary Cinematic (Original Soundtrack)