Kumar Sanu (born Kedarnath Bhattacharya on 20 October 1957 ) is an Indian playback singer who gained recognition in Hindi cinema during the 1990s. He is known for his melodious voice and prolific outp
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 0xbe2658570989bb1c4cb5bba7691f00eff00171c8c59111de6f5d5c95c7d3cec4. 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/04870d57-f391-47ae-8bf7-e19d70fd0d5b.json and https://artists.proofprofile.net/proofs/artist/04870d57-f391-47ae-8bf7-e19d70fd0d5b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Paribar (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 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 0x7dffa8f0ed1f0216671dae3e3abde01af737f44cccd128c80f7f18b2feb5e2ca. 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/INE241800327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eb311c9d05b704984e934012022b69d9cc549d304aab74ba66767a70919ddd9. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/INE241800328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb289168e0ce233d2ccdd1b762c98dc4fdf41c08d760487fa2b59a3b7ae362f0. 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/INE241800329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8c22905aceae034653cd75a348e4351f4884a1d3b9405d8996c0cf96f79a1a5. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/INE241800330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f307681b3b629a72e33aaeee06c8f12cac00a43657ca8a66db48e83e390ce76. 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/INE241800331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24188fe6293c3abd55bde85af46e8af572b9e5e2bf73528f26a9abecab397879. 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/INE241800332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8e67a021c9e820256b974a0268c96ab76777b2576f3997e541a1fd10edcbf45. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/INE241800333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafd7d10ee011295c660bdc8cb2bcb460542c0dea81d90ca0a2dd8dae69ccb2bf. 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/INE241800334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd938631509f92745c0410ee0ccebd3058c49707ed03fd3fd0b495ae63371486. 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/INS172104096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64065a8d588d8ae789c71ed8d935c27f2ea8f449c47935cbab964355a5575756. 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/INS182301991.
Bhalobasa Bhalobasa (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd82ca34cdd71a12d88eb1530d44c7d90daf573d6cb09d5a9d8175b8bff85c75f. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T18:47:29Z), 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/INE241800130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34e84026a4be12e49c2e517db0ee089a8742347d58f86fd4632dd79053a4690. 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/INE241800131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a6b05c9843d164c0084cd68fa031b55efecd75e3cb1baa8afd35c1e1bdc945. 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/INE241800132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf99a015150f4a506184f33b33ab4977ab0ec776397b35f92804987fb8351db90. 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/INE241800133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd79e3bc14d010d2f0697147db6403145ce0ed7b66ab3135ed740f510133449ac. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/INE241800134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af341613f92e4aec3169e36ffb1acb3a5cdecd8d3213721582ce282c4a9af44. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/INE241800135.
Kaho Naa Pyaar Hai (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c86a39589f1b1ac016859eb9834451305d49314a679339de1cc8661e1508b8. 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/INH109940020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0bcd855125c8a97044b4fcd93b3b6a92a479ae7de189b656f2178e8e64d61d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/INS180241137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec58eb306d236830b9158974e7ad2baf2827388cbf9574a8f7fa2de5eaa0ed37. 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/INA092318600.
Maya Memsaab (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x198a8b9aa85bc7a4220fba81de1b4b0499230132cf1b473a54000a69aff33e32. 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/INS170000253.
Jeevan Sathi (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x298c0c6cd85863c1d369d81499a2357847e212e15f4465fc2cc7159e7df3f8dd. 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/INE242300536.
Sham Ghansham (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde539f506634fe61375868a332d6ef542ef8f1821ad1d539552a36578797e655. 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/INT109800214.
Ye Kaali Kaali Aankhen (From "Baazigar")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae225d837e4437b87449767c5e80e21b6fe660841b5a13867241885d9561ee02. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/INV119300502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x879aba1e9b53f9210e0234a8f2f8218d6488c8047df64e77573baf0efd6d7ebd. 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/INZ031407408.
Dil Kehta Hai (From "Akele Hum Akele Tum")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3314918f16c036c6fa7b513ea2fd76da42b88e289930f92c5f6bd7f798c5b56. 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/INV119500461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fae6017811358a7bfa6d1e26df5d9fdfb25945380a47ebc00d85a1b33696124. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/INV119300496.
Anmol (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4767ec7064452bd1e7f58dfcf0b61bf23b6c3e314723a615bfaaf20e61a227b8. 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/INT109500011.
Paas Woh Aane Lage (From "Main Khiladi Tu Anari")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80b576c74aead5993e5cfe1e3814390cd1c69cffb0cc6da6ec9091a88361d9dd. 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/INV119400354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x905e6ae446b26f28766cc001e026141480c9248a0963094f90550a889e7c4c79. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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/INS931002003.