Northern State may refer to: Northern State (band), a female rap group from New York City The Northern State Parkway, a limited-access parkway located on Long Island Northern, Sudan, one of 18 states
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 0x2ff52ca86a658c5c8e16946ebe6d3a348536b8236704670ff29b4022576fcfec. 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/6ca8ede5-a213-4c2c-858b-2d0c0aaa006a.json and https://artists.proofprofile.net/proofs/artist/6ca8ede5-a213-4c2c-858b-2d0c0aaa006a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).