thumb|"The Ransom", John Everett Millais, c. 1860 Ransom refers to the practice of holding a prisoner or item to extort money or property to secure their release. It also refers to the sum of money p
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1532c1fe734f1c7ef9963f295c95f65e215d2cf2215b08a615ce194510fd31e8. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cd8b6f1c-3686-496b-9a8d-ec302d58f80e.json and https://artists.proofprofile.net/proofs/artist/cd8b6f1c-3686-496b-9a8d-ec302d58f80e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Christmas Held To Ransom (Special 2023 Version)
A Christmas Held To Ransom - Special 2023 Version