Anindya Chatterjee is an Indian Bengali film director, music director, singer, lyricist, actor and producer based in Kolkata, West Bengal, India. He is the singer-lyricist of Bengali band Chandrabindo
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 0x81dd0b55a6d39b1b58405d1abeacb40c836dcb616da41f320a9996470b86d41b. 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/cf608902-a975-4f22-833c-91ab53a2864f.json and https://artists.proofprofile.net/proofs/artist/cf608902-a975-4f22-833c-91ab53a2864f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Open Tee Bioscope (Original Motion Picture Soundtrack)
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b520553ae76e353a40e9eb82269e5124fb4b3e03e0b5492d32fc8ec0139c9ca. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/INA191400126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf938fb44a3a7c63a1f7811b6459cc57971993574302ba7705bde9536f7c3c0c5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/INA191400127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf56a5b2d62dafda51855140c155f247bab93057838c4db3e485c9abb6353a9b9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/INA191400128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06cb6a8ad4b25947dd60cfa0af96622abfd674b821b5ac9647751cd387c2f7b9. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/INA191400129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29d206fd8f87d8273c2533ff5a1a644c159b3fd0dde440ad1f35b170fb5b8fb5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/INA191400130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x544f90233c98a62c64518a330c474974f33a8430664e026c2ee13647e91821f3. 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/INA191400131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1081277841ffd331633209fee944028e53b0f8d170ec002b458840f96bcbe16. 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/INA191400132.
Home Shanti Home (From "Posto") - Single
Posto (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba8897c771bb1acaabcb43dc5a13eb6e816faac5345de430cc54cfe5f5495a37. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/INT441781605.
Ka Kha Ga Gha (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786b19873914adc900e2679384b6e9c2fa6226881d2b949a72623f3e5f0c8813. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/INA791500870.
Samsara (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b4ea1f58847cb8a74331e66f4a41d7b51a9e600facb04920994b297abb22710. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/INI112017621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x808426ee4c7232eabd9b3b854448db11cd98c0e00c6eda85a1b75caf75b70eed. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T12:23:58Z), 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/INI112017623.
Hindusthan Masters-Brishti Sandhyar Gaan
Baba Howa Eto Soja Noy (From "Baba Baby O")
Bondhutte No Competition (From "Haami 2")
Haami 2 (Original Motion Picture Soundtrack)
Nakku Nakur Na Jao Thakur (From "Raktabeej")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba14d3678b510b06f76479cbde8e3c1f14a6817f09382e924d90cf12377ddf3c. Chain 2 (Bitcoin): anchored in block 957779 (2026-07-13T00:19:08Z), 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/INT132300655.
Najaba Najaba Koina (From"Raktabeej") (Assamese)
Mann Kahe Mora (From"Raktabeej") (Hindi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x147a7b890894b60c627906462f6c757f1febec9a8d5b4c9c555f70b410933a84. 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/INS2X2216001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4e583a56402198583ad2fe0cab65e763c43cd56f5412edf6c12d9dee32ce7fd. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/INT132301119.
Goynar Baksho (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x756973909553db3885a8fa7e5c61c3253b06b4ceaec10de1b0190edeb2eb3558. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/INS2X1300021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x386eba7dac121aed47ee0fc01c5ed0c222ae29140cab032cd9724325fd3f18a3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QT3EY2461616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd03bcc924ad7ab74b0f01728d1d63b2c7ab2b2c29d9217922046ca3df07735. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QT3EY2461618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0735561576319a06fa7a401b71761dd194dbc35c60da39026d32d44124c003e9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QT3EY2461620.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c8476bf7e2c7d38c8ec8232c3eb309d7177bb46cc08c6fde1fecbf932fd287. 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/QT3EY2461623.