Nerik (Hittite: Nerik(ka)"Nerik(ka)." Reallexikon der Assyriologie.) was a Bronze Age settlement to the north of the Hittite capitals Hattusa and Sapinuwa, probably in the Pontic region. Since 2005–20
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 0xd5f370acd1bd31371a5c31db5d2a046d9abc67326b4049963401f839ddb0f058. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da4c8868-8896-4b78-b34f-d1545a43c95d.json and https://artists.proofprofile.net/proofs/artist/da4c8868-8896-4b78-b34f-d1545a43c95d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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