Tamara Ilyinichna Sinyavskaya (; born 6 July 1943) is a Soviet and Russian mezzo-soprano from the Bolshoi Theatre. She was awarded the title of People's Artist of the USSR in 1982. In 1997, planet
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e99f74010d4c60c1943977d7cf475a1fa27732c92e47336e962b15c014411f2. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/db59e273-ff5b-40fc-a215-b5d9262de880.json and https://artists.proofprofile.net/proofs/artist/db59e273-ff5b-40fc-a215-b5d9262de880.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Тамара Синявская поёт песни Матвея Блантера
Великие исполнители России: Тамара Синявская (Deluxe Version)