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 0x5ce71b24e456e28b22127fe15ecd62f03c03c73a249204903db95ed1f23bb47d. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/939ee705-8119-4512-831a-1baa06715da2.json and https://artists.proofprofile.net/proofs/artist/939ee705-8119-4512-831a-1baa06715da2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mitthye Premer Gaan (Original Motion Picture Soundtrack)
{"copyright_id":"0x75d1f1f7eb38b542dd15b0a3ccc72bc90dfa2e87a72c736e5dcda6c3375566aa","isrc":"INS2X2301012","name":"Ekbar Takao Phire","registered_at":"2026-06-09T07:37:32Z","spotify_id":"3tcb6d9uXPwDN6HMDDqNJr","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 0x75d1f1f7eb38b542dd15b0a3ccc72bc90dfa2e87a72c736e5dcda6c3375566aa. 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/3tcb6d9uXPwDN6HMDDqNJr.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/3tcb6d9uXPwDN6HMDDqNJr.
{"copyright_id":"0xb4658e9a30f0864794ae9cf0a014baa444deccda6523a048c513b4d22627ed30","isrc":"INS2X2301013","name":"Mitthye Premer Gaan","registered_at":"2026-06-10T04:22:34Z","spotify_id":"0wO2lSysQw7bLlV3CSez5j","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4658e9a30f0864794ae9cf0a014baa444deccda6523a048c513b4d22627ed30. 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/0wO2lSysQw7bLlV3CSez5j.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/0wO2lSysQw7bLlV3CSez5j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1b3871962ae91b03586b940ec39bdb0638c2da0b100d7733223739bc12ee93f. 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/1kp4LvNcaDE7X25sxsWrxF.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/1kp4LvNcaDE7X25sxsWrxF.
{"copyright_id":"0xf23f10d9ec481670e8f9b84f4a67ae03e6d52b8dc7609ffc9b4212ed4102684f","isrc":"INS2X2301015","name":"Ochena Karor Buke","registered_at":"2026-06-08T10:00:17Z","spotify_id":"4FirztyY1kxUysEy4u8zTD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf23f10d9ec481670e8f9b84f4a67ae03e6d52b8dc7609ffc9b4212ed4102684f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FirztyY1kxUysEy4u8zTD.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/4FirztyY1kxUysEy4u8zTD.
{"copyright_id":"0xc1cd80fee1faeefc7f2b495b3362ae17822f541cf46b0982ff31f8e10f54fb49","isrc":"INS2X2301016","name":"Nirobotay Chhilo","registered_at":"2026-06-07T20:20:30Z","spotify_id":"058rzWZNViwr7iVK6KidYU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1cd80fee1faeefc7f2b495b3362ae17822f541cf46b0982ff31f8e10f54fb49. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/058rzWZNViwr7iVK6KidYU.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/058rzWZNViwr7iVK6KidYU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x276d9e0fb7105071b8661fccedda45040421791555004118334703fe5327ddcc. 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/6EAnUg6yO8RaoxdFRAegxZ.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/6EAnUg6yO8RaoxdFRAegxZ.
{"copyright_id":"0xcae8f0a197bd6c42664b99a7191fdbf8208015deb4a487e31c13ab3b1f133da4","isrc":"INS2X2301018","name":"Tomakey Khujey Paai","registered_at":"2026-06-18T01:39:45Z","spotify_id":"0TrIIPbW9ht38Jn0uFsQdV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae8f0a197bd6c42664b99a7191fdbf8208015deb4a487e31c13ab3b1f133da4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0TrIIPbW9ht38Jn0uFsQdV.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/0TrIIPbW9ht38Jn0uFsQdV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bd28482c37827f33777cbff8e23d944576fdf7eaf4022e8363aa6428f692095. 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/1bigBafYQeCbtWTHrKx85M.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/1bigBafYQeCbtWTHrKx85M.
{"copyright_id":"0x5aea1ce55412b2b54a9ecb61cc0c6e42da363769560547ea9e3d1cf7e616ba46","isrc":"INS2X2301020","name":"Mon ei desh e te thaknna","registered_at":"2026-06-22T02:04:38Z","spotify_id":"32YIcWU6NPrnoXNrMPiMrI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aea1ce55412b2b54a9ecb61cc0c6e42da363769560547ea9e3d1cf7e616ba46. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32YIcWU6NPrnoXNrMPiMrI.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/32YIcWU6NPrnoXNrMPiMrI.
{"copyright_id":"0x531861115403d77a7729bbdf18c0b3ae7b57a14e2f16ce9ed61d4eeb26171b2b","isrc":"INS2X2301021","name":"Guru Dohai Tomar","registered_at":"2026-06-23T05:33:55Z","spotify_id":"3eat8OR9rrkisw6JremvkH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x531861115403d77a7729bbdf18c0b3ae7b57a14e2f16ce9ed61d4eeb26171b2b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3eat8OR9rrkisw6JremvkH.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/3eat8OR9rrkisw6JremvkH.
{"copyright_id":"0x4b8a51d56a757cd81c14cceeeb1b289c41eb6d87acdc94dba2196db549d3ba92","isrc":"INS2X2301022","name":"Tode Bin Sakhi","registered_at":"2026-06-24T15:13:16Z","spotify_id":"0YASH3Cmj5LgwxWGCv0g4y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8a51d56a757cd81c14cceeeb1b289c41eb6d87acdc94dba2196db549d3ba92. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0YASH3Cmj5LgwxWGCv0g4y.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/0YASH3Cmj5LgwxWGCv0g4y.
{"copyright_id":"0x16497bd5da26ea7cdee555e69fbcd80585a21067fc1808f27111b4ae6a7289e8","isrc":"INO312401393","name":"Teen Shotti Kore Bolchi","registered_at":"2026-06-27T15:12:41Z","spotify_id":"7HCt7yHm2hHEYAQSJrABCD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16497bd5da26ea7cdee555e69fbcd80585a21067fc1808f27111b4ae6a7289e8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7HCt7yHm2hHEYAQSJrABCD.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/7HCt7yHm2hHEYAQSJrABCD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5e9a996e9c1f889dcb46285c6f9dca0589c5ba61d58a333c759b2372d66a8a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/40yChJkEn19diuDyCQHpn0.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/40yChJkEn19diuDyCQHpn0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86a4f41d5a27aaa3ae3af7087e1a825d44e441099fa61d9b57a0a7f32c4b7664. 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/0WY2O58KkGA3C0V93szm83.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/0WY2O58KkGA3C0V93szm83.
Ghum Bhanga Bhor - Banglar Gaan (Indies)
Boudi Canteen (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf953f33ff8f2b8f151b23b738e77d64224e978d7f5bce64783b8ab1089d6a437. 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/2dGBljsEZozeOdSZ1SZ1qX.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/2dGBljsEZozeOdSZ1SZ1qX.
{"copyright_id":"0xb444e921774ecc6d0bf3f5be2d3426e99bddbd7e53e3ba31e8cf3798f89ce0a2","isrc":"INS2X1900931","name":"Dhawno Dhanyo","registered_at":"2026-06-22T06:37:33Z","spotify_id":"3MnOwbtIcinoW45RDZeOyO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb444e921774ecc6d0bf3f5be2d3426e99bddbd7e53e3ba31e8cf3798f89ce0a2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3MnOwbtIcinoW45RDZeOyO.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/3MnOwbtIcinoW45RDZeOyO.
{"copyright_id":"0x959242177cda2162d4ecc431dc5cec63040315cc480ba39ca4b1c3d0ff8dcedc","isrc":"INS2X2001204","name":"Ondho Hoye Jaao","registered_at":"2026-06-10T04:21:03Z","spotify_id":"6ojYs2BW8vx4jxJcMTpFlu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x959242177cda2162d4ecc431dc5cec63040315cc480ba39ca4b1c3d0ff8dcedc. 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/6ojYs2BW8vx4jxJcMTpFlu.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/6ojYs2BW8vx4jxJcMTpFlu.
{"copyright_id":"0x4c415c341a4a10aec823618f6aea28e9be3f097d2f45450fc27519b9588b70bc","isrc":"INS2X2001206","name":"Ami tomar e oshukh chena","registered_at":"2026-06-27T03:54:49Z","spotify_id":"38ve9giKdePwOwB8ZBFcal","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c415c341a4a10aec823618f6aea28e9be3f097d2f45450fc27519b9588b70bc. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38ve9giKdePwOwB8ZBFcal.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/38ve9giKdePwOwB8ZBFcal.
{"copyright_id":"0xc20dc10c619478bfbe62e957d68a98dd1c8a4529e743a3667f1bf4dbaba1aecf","isrc":"INS2X2001207","name":"Khuje pawa ek shite","registered_at":"2026-06-24T13:49:54Z","spotify_id":"1XUMC6gG6mzqFnhDLvLIeS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc20dc10c619478bfbe62e957d68a98dd1c8a4529e743a3667f1bf4dbaba1aecf. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1XUMC6gG6mzqFnhDLvLIeS.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/1XUMC6gG6mzqFnhDLvLIeS.
Chaichi Notun Kore - From "Angshuman MBA"
Angshuman MBA (Original Motion Picture Soundtrack)
Chaichi Notun Kore (From "Angshuman MBA")