Marte may refer to: Marte, Nigeria, a Local Government Area in Borno State Marte (surname), including a list of people with the name C.D. Marte, a Mexican football club C.D. Atlético Marte, a Salvado
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 0x0bd899a00771666ba6d219aba0aee4ad8df4aa9a4326b9d0e3744f21615d508d. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9e2da35f-acfd-4124-ad6f-05a01b790180.json and https://artists.proofprofile.net/proofs/artist/9e2da35f-acfd-4124-ad6f-05a01b790180.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).