Gordon Korman is a Canadian author of children's and young adult fiction books. Korman's books have sold more than 30 million copies worldwide over a career spanning four decades and have appeared at
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47e066362c3bc8272bf6da8368eb55a24d65a8d7002f840630c163f787ec6895. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/78fdfcd3-2db7-4519-b986-81920dc8f054.json and https://artists.proofprofile.net/proofs/artist/78fdfcd3-2db7-4519-b986-81920dc8f054.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Search [Kidnapped, Book 2 (Unabridged)]
The Abduction [Kidnapped, Book 1 (Unabridged)]
One False Note [The 39 Clues, Book 2 (Unabridged)]
The Emperor's Code [The 39 Clues, Book 8 (Unabridged)]
The Medusa Plot [The 39 Clues: Cahills vs. Vespers, Book 1 (Unabridged)]
The Rescue [Kidnapped, Book 3 (Unabridged)]
The Hypnotists [The Hypnotists 1 (Unabridged)]
Memory Maze [The Hypnotists 2 (Unabridged)]
The Dragonfly Effect [The Hypnotists 3 (Unabridged)]
Flashpoint [The 39 Clues: Unstoppable, Book 4 (Unabridged)]