SNP may refer to: Biology and medicine Single-nucleotide polymorphism, a DNA sequence variation Sodium nitroprusside, a peripheral vasodilator Computing SNP (complexity), a complexity class in the
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 0x7a68becc078c4c17cafe40b1d1b19244397d764b7f3b129db09992fb574fca0b. Chain 2 (Bitcoin): anchored in block 954002 (2026-06-16T20:47:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3241df1b-bf64-46b0-ac93-0844ede76e58.json and https://artists.proofprofile.net/proofs/artist/3241df1b-bf64-46b0-ac93-0844ede76e58.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Das Ruas para as Rádios, das Rádios para as Ruas