Manayangath Subramanian Viswanathan (24 June 1928 – 14 July 2015), also known as M.S.V., was an Indian music director, singer and actor who predominantly worked in Tamil film industry. Popularly known
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 0xf20665fe6d61cf44b4583206363acaad9f2c551d3d288ba66d123d68c6786651. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b67e8f55-3c63-479e-ba05-200d74191a6e.json and https://artists.proofprofile.net/proofs/artist/b67e8f55-3c63-479e-ba05-200d74191a6e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Harerama Harekrishna (From "Mr. Sampath") - Single
Ethanai Maandharuku (From "Unmaiye Un Vilai Enna") - Single
Uppaithinavan Thanikudipan (From "Oru Kodiyil Iru Malargal") - Single
Arupatainaalu Kalakal (From "Yakshaganam") - Single
Kandathai Sollogiren (From "Aasai 60 Naal") - Single
Ormakal Marikkumo (Original Motion Picture Soundtrack)
Karanam Thettiyal (From "Randil Onnu") - Single
Arinju Naam Thammil (From "Lorry") - Single