Nilo may refer to: Nilo (name) Nilo, Cundinamarca, a town in Colombia See also Nilo-Saharan languages Nilo Rukundpur, a village in Patepur Tehsil, Vaishali, Bihar, India Nilo Syrtis, a region
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 0x69ccd615cf143ae254752bc7c0a673302212deb4361fa3d5a2e07e295f84beb1. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d3af62cc-b8aa-4d5c-83a3-1716851c2581.json and https://artists.proofprofile.net/proofs/artist/d3af62cc-b8aa-4d5c-83a3-1716851c2581.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).