1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xbf6d14cf8e5c78920d86bebd5a5a9082da6a0607a7ce4dd13cd1ab5c7577b7bd. 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/2f465cb2-4397-4a18-a930-4f67c890e8e8.json and https://artists.proofprofile.net/proofs/artist/2f465cb2-4397-4a18-a930-4f67c890e8e8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chupi Chupi Ele Ke (From "Sanjher Pradip")
Hrad (Original Motion Picture Soundtrack)
Mayamriga (Original Motion Picture Soundtrack)
Mayamrigo (Original Motion Picture Soundtrack)
Maa (Original Motion Picture Soundtrack)
Badhu (Original Motion Picture Soundtrack)
Amar Anchhan Anchhan Kare (From "Shubho Drishti")
Kalsrot (Original Motion Picture Soundtrack)
Godhulibelay (Original Motion Picture Soundtrack)
Kasthi Pathar (Original Motion Picture Soundtrack)
Mukhujee Paribar (Original Motion Picture Soundtrack)
Ei Bandhangulo Bhangte Habe - With Narration
Uttarpurush (Original Motion Picture Soundtrack)
Sachimar Sangsar (Original Motion Picture Soundtrack)
Jay Jayanti (Original Motion Picture Soundtrack)
Bah Chharata To Besh - Ki Holo Kau R Mukhe
Bengali Modern Songs - Manabendra Mukherjee
All Time Greats - Manabendra Mukherjee - Vol 4
Songs Of Kazi Nazrul : Manabendra Mukherjee
Manabendra Mukherjee Songs Of Kazi Nazrul
Debi Choudhurani (Original Motion Picture Soundtrack)
Sudur Niharika (Original Motion Picture Soundtrack)
Aguner Phulki (Original Motion Picture Soundtrack)
Nishkriti (Original Motion Picture Soundtrack)
Ichhamoyee Tara - Devotional Songs of Dhananjay Bhattacharya
Songs Of Kazi Nazrul Islam - Manabendra Mukherjee
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 → block OTSBitcoinBlock must exist at that height 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 0x7ec044b3ed506f8e06adeac7d6726ecf1a60d872fa2a2accddce65ac2eda8655. 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/INH100903973.
Kalo Chokher Tara (Original Motion Picture Soundtrack)
Nazrulgeeti Manabendra Mukherjee And Anup Ghoshal
All Time Greats - Manabendra Mukherjee Nazrul Songs
All Time Greats - Manabendra Mukherjee, Vol. 1
Best of Manabendra Mukherjee - Koto Kathaa Chhilo
Indira (Original Motion Picture Soundtrack)
Devi Sultana (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26a933b5ba69e13325b604cbe23b944046a0b2ac00aa8efaade13d9a831b7496. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/INUM70500108.
Manabendra Mukherjee Songs of Kazi Nazrul
The Classic Series - Manabendra Mukherjee Special
Shaono Rate Jodi Smarane Ase More - Live
Bhorer Haowa Ele Ghum Bhangate Ki - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b83957ce590fe40afeca9eca1dbb1132f6c51e5907380f28a5da8ca04575749. 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/INP832102181.
Sare Chuattar (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x184bb6754794c677f0c96f974d0e11886f00f446a2b21fcf2526169dc87ff864. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/INH101601447.