Noah Curtis may refer to: Noah Curtis (Canadian football) (born 1998), American–Canadian gridiron football player Noah Curtis (film character), a character from the film 2012.
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 0x2fc6b97af9bcbfdc002b5848c1e53071c7734fb699a75cc7647d4674c43130f6. Chain 2 (Bitcoin): anchored in block 953991 (2026-06-16T18:47:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2ecd12a3-dfa8-4481-82f8-a76bb5f49d9d.json and https://artists.proofprofile.net/proofs/artist/2ecd12a3-dfa8-4481-82f8-a76bb5f49d9d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).