Sumit Singh may refer to: Sumit Singh (businessman) Sumit Singh (cricketer)
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 0x2fc6c6c91fa3ceeb2cbfbfa0880f7f4200ff08ec99be5eb0e863b27bd817ec17. Chain 2 (Bitcoin): anchored in block 953710 (2026-06-14T23:32:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7f53e938-5a49-47d1-aa1e-d3e7110da305.json and https://artists.proofprofile.net/proofs/artist/7f53e938-5a49-47d1-aa1e-d3e7110da305.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cyckeliya Wala Chauda Maja Lebo Hai Class Me (Bhojpuri)
Paniya Pila Dejiya Bam Piyaswa Lagal Hai (Bhojpuri)
Khesari Ke Gana Fail Kare Pawan Singh Relam Rel Kare (Bhojpuri)
Tora Saiya Milato Boka Ge (Maithili Song)
Holi Me Pujba De Delkai Dhokha Nehba Jindabad Hai
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 0xe38c01f396effff4cf7154c071f0154ccf4e9610e509d0445252eb9a99cbc240. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/INT1A2204911.
Mangbau Chhathi Maiya Se Pagli Tore Hath Ge
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54033b49171c799610f65b3ea9ef8ad0ff6491f0ad36bfed7ef53af26f72628e. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/INT1A2205510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96cba80a442e1464709b459c847b7a06a3179e0598a09cecf2e8b971c4823d4a. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/DGA0S2433727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeb126cd31a813729048633e8cce61349ac168f43f8f7216cee3a61228a275cd. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/INT1A2205682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21f5c30b2c81b46a29f48763d3a7dea20c0ba4b26b2e18863cdf4f0754dc019d. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/INT1A2205708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72de1d03cf7c373ccb9f1627d61294ec5ffd1fa2827fcb2a392a284ae954bcd6. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR10S2516040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e83987e3660a4a5e3438637ce062c32d7e04504fe3d72533894178293f96462. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/INA1I2504462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x858a4ff4098e9b64a3dc0e71db410885d828cf06303b9a67fb8dec053f010d62. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/FRX202532380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aa7248f3eccd753cbf7f5631cafe79a636378c0d0869808ab1101fb6bfac719. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/INT1A2206924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a14db8c07493ace542090e49f7079790f082d5533108e9365731edeeea238a0. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/INT1A2207841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x428c58ac153c39b959dd59b0c03707454fc27676f33d9484d6aa74a17653c3ef. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), 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/INT1A2207966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2e6bfb3c66cd4f731993d1ba227d7fed1381e1ee8c3962d1ef19152fdb68fdc. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/QZZ432453017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc2921e9fd7413ce24e83fc7322e5f55432373f4906c49376c7aa709cece190. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/INT4P2304545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55fddaacfdfadebe09f886537c015f199fddcc936e44d27e23e786b92fbdc5a3. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/DGA062563832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb95f931d10c42cd5e5ae9a94cab60e1fd709b8653f9210525743ae2c0fe114. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/INT4P2304691.