Nodi is a town and arrondissement in the Atakora Department of northwestern Benin. It is an administrative division under the jurisdiction of the commune of Matéri. According to the population census
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 0xa650d146c5ada1377e065235b6e51aa773562b898bea2c4a014c1ba1e3d44701. Chain 2 (Bitcoin): anchored in block 953846 (2026-06-15T22:48:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/00e79379-3da0-4427-b36f-4595870df7a5.json and https://artists.proofprofile.net/proofs/artist/00e79379-3da0-4427-b36f-4595870df7a5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).