Caramel (, or (US) ) is a range of food ingredients made by heating sugars to high temperatures. It is used as a flavoring in puddings and desserts, as a filling in bonbons or candy bars, as a toppin
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 0x6f4d55e6511d1f0f9a75fc642f9a5be73421fc1528707c0d1fc7a9ff71736814. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81729163-3d5c-4e0e-baa6-7d4b408149e9.json and https://artists.proofprofile.net/proofs/artist/81729163-3d5c-4e0e-baa6-7d4b408149e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).