Nambalatt Narayanankutty Menon (born 2 December 1955), known better by his stage name Unni Menon is an Indian film playback singer. He has recorded over 4000 songs in many Indian languages including M
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 0xfd1d8eeba3b58fae73cc9d967a03a7b9569d6cc677e6682873ac530174bce1a9. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4b48fc63-f987-4684-bb70-edcf459149b1.json and https://artists.proofprofile.net/proofs/artist/4b48fc63-f987-4684-bb70-edcf459149b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xb012c49621999323a37bedf9b054e984269235eb3738022f1c541fc660bb6694. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INN130500984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a8d47f296cf40c3c780b20b1849524ab0b53bc2581058ceefe1605259bcac3. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INN130500985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d5f83c3ebcf6c8c11374c1b993dbc15695dea3f428e4f0b3027e4eb225dcfe6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INN130500987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51086d1c19eb9a553b1d4833fcab0894f7bc429f62eb13ba77e7ed6f76b05353. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INN130500988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb37cbce91e3f767fc62c5c6d090e0cecac0e3a242074b0838e3130e55167043. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INN130500991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x032ca5f8ddd69aa3436c02e403d5c7c9dc640514d19e22d01e9702f8fcd41e1d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INF049900209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e828d4816466b661cb6127b0ad15b8f6da96b93c841afb90243753f2ba37c32. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INF049900208.
Santhipoma (From "Ennakku 20 Unakku 18")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc673e88c381fc8a8b466ebec9f7aebd8f6ba4492ef7c9e4e9dc76bc50457c1ab. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INF040300546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e828d4816466b661cb6127b0ad15b8f6da96b93c841afb90243753f2ba37c32. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INF049900208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6513c75553bf34c3ebb9a6b7514ff4f200a158d8d7c06f86c2298335b6a908b3. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INN139900548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3584bb63c85a6ab171676a4f483b07664f7e8cf8a301e792e082a4c5e1400a54. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INF040300527.
Kadhalar Dhinam (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74c16975ecd09db5c123b46526023016da8ac3baabb4b07a60bf4f1e308df70d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IND292209945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e33588f6cd7c93db5531056f06e660383fb36e505c2b38d7c6c1d329f4679f9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IND292209946.