Jong may refer to: Surname Jung (Korean surname), spelled Jong in North Korea Zhong (surname), spelled Jong in the Gwoyeu Romatzyh system Common Dutch surname "de Jong"; see De Jong De Jonge De Jo
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 0xe41a71b460732a47ed2094a0ffdd86de3eeea53652235ca1283b3c8776aed20a. Chain 2 (Bitcoin): anchored in block 954055 (2026-06-17T05:51:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/43fd0d49-f246-4f54-979c-b7d4e1b8ce8c.json and https://artists.proofprofile.net/proofs/artist/43fd0d49-f246-4f54-979c-b7d4e1b8ce8c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dolphin Spirit, Ocean Mission (Original Game Soundtrack)
Space Adventure Cobra – the Awakening (Original Game Soundtrack)