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 0x35cd9df5109e576b9f88fa7c826a8015505c1652f43238006d1777a7f172ebf2. 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/0a4d81a2-a3fc-4994-8521-b5bd1dc2a942.json and https://artists.proofprofile.net/proofs/artist/0a4d81a2-a3fc-4994-8521-b5bd1dc2a942.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hai Atithi Ekhoni Ki Holo Tomar Jabar Bela
Tumi Jake Bhalobaso (Female Version) [From "Praktan"]
Tumi Jake Bhalobaso (Female Version) - From "Praktan"
Pagla Haowa and Moner Moton Pagol - Single
{"copyright_id":"0x89733f6bbd8b1ec2dd4461c0467532e9f78c04a4e5119afe50d4caf56f47f3de","isrc":"INT441602306","name":"Bhalobese Sokhee","registered_at":"2026-06-29T09:20:12Z","spotify_id":"2lEx8wh9gmuiTygnWRqQDI","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89733f6bbd8b1ec2dd4461c0467532e9f78c04a4e5119afe50d4caf56f47f3de. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2lEx8wh9gmuiTygnWRqQDI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lEx8wh9gmuiTygnWRqQDI.
Mithe Roddur (From "Purbo Poschim Dokhhin Uttor Ashbei")
Mithe Roddur - From "Purbo Poschim Dokhhin Uttor Ashbei"
Tomar Kopaler Shitghume (Female Version)
Tomar Kopaler Shitghume - Female Version
Indubala Bhaater Hotel (Original Motion Picture Soundtrack)
Namaste Sharanye Shibe Sanukampe - Durgastabaraj
Uma Firche Je Aaj - Single (Female Vocals)
Loke Bole Mashup (From "Folk O Rabindra")
Loke Bole Mashup - From "Folk O Rabindra"
Bonbibir Panchali (From "Bonbibi") - Single
Iti Maa - The Street Children Anthem (From "Putul")
E Din Aaji (From "5 No Swapnomoy Lane") [Female Vocals]
E Din Aaji (From "5 No Swapnomoy Lane") - Female Vocals
E Din Aaji (Female Version) (From "5 No Swapnomoy Lane")
Bolo Tare (From "Chaalchitro-The Frame Fatale")
Pakhider Smriti (Orchestral version) - LoFi
Shunyo Shunyo Lage (From "Annapurna") - Single
Ami Phirechi Ghore (From "Shreeman Vs Shreemati")
Torsha Nodir Bari (From "Torsha Ekti Nadir Naam")
Tabo Premo Sudha Roshe (From ""Bhuto" Purbo")
Tabo Premo Sudha Roshe (From ""BHUTO" PURBO")
Dhono Dhannyo - Film Version (From "Raktabeej 2")
Saajan Rock the Dotara (Folk - Bandish Mix) - From "Durga Sohay"
Tumi Jake Bhalobaso - From "Praktan", Female Version
Fande Poriya Krishnopokkho Mashup - From "Folk O Rabindra"
Asthir Somoy Reprise Version - From "Sraboner Dhara"
Tumi Jake Bhalobaso Female Version - From "Praktan"
Boudi Canteen (Original Motion Picture Soundtrack)
{"copyright_id":"0xcc3a129acf12cdce916fb4e060313e7cc9937717a7a097ad80bf9f764dd4e029","isrc":"INS2X2304010","name":"Pakhider Smriti (Orchestral version)","registered_at":"2026-06-18T20:03:16Z","spotify_id":"3AvwYau5Xb272MNTSRMGFF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3a129acf12cdce916fb4e060313e7cc9937717a7a097ad80bf9f764dd4e029. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AvwYau5Xb272MNTSRMGFF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AvwYau5Xb272MNTSRMGFF.
{"copyright_id":"0xd472245ae01321d0c2e13ee0e652042b63e4f66accb07b98e46e542a59af0da4","isrc":"INS3O1800013","name":"Amar Dukkhogulo Female","registered_at":"2026-06-11T11:03:45Z","spotify_id":"1JcbpelzoMguTVQE8ft9rI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd472245ae01321d0c2e13ee0e652042b63e4f66accb07b98e46e542a59af0da4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1JcbpelzoMguTVQE8ft9rI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1JcbpelzoMguTVQE8ft9rI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fed4775586f20d7ef24321243e95e95079218294aa68c5637545b2917eaa46c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3uR3hOXiO4AV9KIzSEBHhu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3uR3hOXiO4AV9KIzSEBHhu.
Jago Re Bagha - From "Bagha Jatin - Hindi"
Bagha Jatin - Hindi (Original Motion Picture Soundtrack)
Bagha Jatin (Original Motion Picture Soundtrack)
Jago Re Bagha (From "Bagha Jatin - Hindi")
Save the Mothers (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3931a34e3fb37c04552de78d25b785a3696abc1785654b5a912022e33ce270c3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7rTT4KB4ZelAvcMlYxd65u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7rTT4KB4ZelAvcMlYxd65u.
Palash Palash Mon (From "Karnasubarner Guptodhon")
Karnasubarner Guptodhon (Original Motion Picture S