Anastasia Savelievna Chebotareva is a Russian violinist. She was born in Odesa and started the violin at the age of five. Three years later, her exceptional talent was discovered by the famous profes
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 0x7fde64be868d1bb32a6a5d2e117cd7e69db7908b1f18611650e10bc5050e19c5. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b14d8d36-f95d-44d9-a696-d24a1dfff416.json and https://artists.proofprofile.net/proofs/artist/b14d8d36-f95d-44d9-a696-d24a1dfff416.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).