MVN or mvn may refer to: The multivariate normal distribution, which generalises the normal distribution to multiple variables. Bruno Covas/Mendes-Vila Natal (CPTM) (Station code: MVN), a train sta
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 0xc6e16f5eef72330c83fb349d144353235bd674c10b5f9a5c0b3d8998ce7d2184. Chain 2 (Bitcoin): anchored in block 953736 (2026-06-15T03:21:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98c07783-e846-4819-84bb-29261d60a419.json and https://artists.proofprofile.net/proofs/artist/98c07783-e846-4819-84bb-29261d60a419.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).