JRC is a three-letter abbreviation with multiple meanings, as described below: The hepatitis B and liver cancer awareness campaign Jade Ribbon Campaign The media corporation Journal Register Company
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 0xa6ed09fb1c9da62c95cb09bdee13f3b68fd8bc1ad9e5ce02b97c2ae4997fdee9. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/59d77628-daf9-46d5-8e5c-de97c568e9cd.json and https://artists.proofprofile.net/proofs/artist/59d77628-daf9-46d5-8e5c-de97c568e9cd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).