Hi-C is an American fruit juice–flavored drink made by the Minute Maid division of The Coca-Cola Company. It was created by Niles Foster in 1946 and released in 1947. The sole original flavor was oran
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 0xd2d39f98b6fe95e5ddaecbf0b090a24ca870741c41bca5f7d99f8df35c10e1f1. Chain 2 (Bitcoin): anchored in block 953743 (2026-06-15T04:52:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a1d7c11e-2dea-4592-bc15-69a61729f2e1.json and https://artists.proofprofile.net/proofs/artist/a1d7c11e-2dea-4592-bc15-69a61729f2e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).