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 0x5ba16d9d118d37dadf2d3e4916372aa03000e40570430fb61c050a8e079d9e52. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ef4b47cb-42df-4569-ab4e-7d5fbcf776b5.json and https://artists.proofprofile.net/proofs/artist/ef4b47cb-42df-4569-ab4e-7d5fbcf776b5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x29c538cb747d0eefd68b7073152603bb1f03564b13aca0d07985bb1d36243446. 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/1ndsLFkr5J1pMGvnAHXZsh.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/1ndsLFkr5J1pMGvnAHXZsh.
Naiyo Lagda (From "Kisi Ka Bhai Kisi Ki Jaan")
Naiyo Lagda - From "Kisi Ka Bhai Kisi Ki Jaan"
{"copyright_id":"0xc6eaef5655a4cb3cda796bf997fafee1e71502341dd64aba613b1f8952d67869","isrc":"INZ031412468","name":"Naiyo Lagda - From \"Kisi Ka Bhai Kisi Ki Jaan\"","registered_at":"2026-06-05T12:40:27Z","spotify_id":"4mKDlLVBmxMt4FgTV4Ep22","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6eaef5655a4cb3cda796bf997fafee1e71502341dd64aba613b1f8952d67869. 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/4mKDlLVBmxMt4FgTV4Ep22.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/4mKDlLVBmxMt4FgTV4Ep22.
{"copyright_id":"0x1e469d1cbeab1749c5b09c9f68316fee258de20ed79ef891cb52599b6421c29e","isrc":"INS182203799","name":"O O Jaane Jaana Remix","registered_at":"2026-06-06T17:53:38Z","spotify_id":"7x8Y5uZhvqQizFJf18fpnF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e469d1cbeab1749c5b09c9f68316fee258de20ed79ef891cb52599b6421c29e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7x8Y5uZhvqQizFJf18fpnF.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/7x8Y5uZhvqQizFJf18fpnF.
Dil De Diya (From "Radhe - Your Most Wanted Bhai")
Dil De Diya - From "Radhe - Your Most Wanted Bhai"
{"copyright_id":"0x70271ed6adf2a57c31ea282cb0b4a0d0387cc970cc30176ec1c394fbbf50888c","isrc":"INZ031409093","name":"Dil De Diya - From \"Radhe - Your Most Wanted Bhai\"","registered_at":"2026-06-06T17:33:31Z","spotify_id":"4IGyiyJuBFNbx6nlLUadyN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70271ed6adf2a57c31ea282cb0b4a0d0387cc970cc30176ec1c394fbbf50888c. 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/4IGyiyJuBFNbx6nlLUadyN.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/4IGyiyJuBFNbx6nlLUadyN.
Seeti Maar (From "Radhe - Your Most Wanted Bhai")
Seeti Maar - From "Radhe - Your Most Wanted Bhai"
{"copyright_id":"0x5b3ea00ab11c2a44f008e4cc572a66d9e7e234140545595c0edb1ff3e785165b","isrc":"INZ031409092","name":"Seeti Maar - From \"Radhe - Your Most Wanted Bhai\"","registered_at":"2026-06-08T10:08:08Z","spotify_id":"0KQKewxcCrFf26B5pxR2hv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3ea00ab11c2a44f008e4cc572a66d9e7e234140545595c0edb1ff3e785165b. 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/0KQKewxcCrFf26B5pxR2hv.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/0KQKewxcCrFf26B5pxR2hv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ddfb4f276077236ab6e47da997ac42ec35a774136e8df878618db2535b43f6. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7ybmjt64GzIfWzpRILR0X7.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/7ybmjt64GzIfWzpRILR0X7.
{"copyright_id":"0xba6aec790a35b0744f2f2e14da5da05e764d9da08cc23c4f73c663cac80c4a07","isrc":"INS171701391","name":"Radio (From \"Tubelight\")","registered_at":"2026-06-06T10:08:32Z","spotify_id":"1uHoOcoy7BeARMDJRhx1xl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6aec790a35b0744f2f2e14da5da05e764d9da08cc23c4f73c663cac80c4a07. 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/1uHoOcoy7BeARMDJRhx1xl.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/1uHoOcoy7BeARMDJRhx1xl.
{"copyright_id":"0xc6eaef5655a4cb3cda796bf997fafee1e71502341dd64aba613b1f8952d67869","isrc":"INZ031412468","name":"Naiyo Lagda - From \"Kisi Ka Bhai Kisi Ki Jaan\"","registered_at":"2026-06-05T12:40:27Z","spotify_id":"7ydL7JdjmF55zGMHM0ieKQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6eaef5655a4cb3cda796bf997fafee1e71502341dd64aba613b1f8952d67869. 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/7ydL7JdjmF55zGMHM0ieKQ.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/7ydL7JdjmF55zGMHM0ieKQ.
{"copyright_id":"0x70271ed6adf2a57c31ea282cb0b4a0d0387cc970cc30176ec1c394fbbf50888c","isrc":"INZ031409093","name":"Dil De Diya - From \"Radhe - Your Most Wanted Bhai\"","registered_at":"2026-06-06T17:33:31Z","spotify_id":"3jNnO6NFWG7afc3Cg34S1q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70271ed6adf2a57c31ea282cb0b4a0d0387cc970cc30176ec1c394fbbf50888c. 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/3jNnO6NFWG7afc3Cg34S1q.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/3jNnO6NFWG7afc3Cg34S1q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9b840f0f3926f626c2dd6ae930d283e43aba21e036cedcf0d5f4b92919057a. 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/4NkYlG9D2LuWSacTOh2diC.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/4NkYlG9D2LuWSacTOh2diC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06e779f260db30546d23d42ff79cf01ab2437dc7f41b520ce9e22baa9cc9e50b. 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/58AVGI7JT1m5Y1l9EI2Q2m.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/58AVGI7JT1m5Y1l9EI2Q2m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbebe46f84ecd53744da896366559dd15f81ef36ec9e2ad9943379bc3f13087c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5LSjdzHi4gJUmwnIyPIxU5.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/5LSjdzHi4gJUmwnIyPIxU5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x617f626f6958ecea0e1f44f28128afaa2f849f63563d5b6c606aa1996a6c9043. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0el5p5Hh93eYUkGb1AoDBE.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/0el5p5Hh93eYUkGb1AoDBE.
{"copyright_id":"0x2d88f1ca7c1c9c793e2de71fb82f1bba39172041bf15dd670491baf8498953d9","isrc":"INS180241154","name":"Kyon Khanke Teri Choodi","registered_at":"2026-06-06T08:27:14Z","spotify_id":"6f41AoisRfb8HxLp5hY8Pq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d88f1ca7c1c9c793e2de71fb82f1bba39172041bf15dd670491baf8498953d9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6f41AoisRfb8HxLp5hY8Pq.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/6f41AoisRfb8HxLp5hY8Pq.
Kyon Khankr Teri Choodi(Melodic Club Mix)
{"copyright_id":"0x280c7ee8fdec411acccc8157cf324b264e2b8f73617018ba4b9dfb01e74e199d","isrc":"INS180241157","name":"Kyon Khankr Teri Choodi(Melodic Club Mix)","registered_at":"2026-06-10T15:51:30Z","spotify_id":"4dnmw2XX6lAXdR0eQOFbGj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x280c7ee8fdec411acccc8157cf324b264e2b8f73617018ba4b9dfb01e74e199d. 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/4dnmw2XX6lAXdR0eQOFbGj.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/4dnmw2XX6lAXdR0eQOFbGj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aee0f4769071af5abe9286e1c9ab7006b8dc25643aab3f48ff0949623555bcd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7fl15uWBpbKrzrmEm48ZyP.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/7fl15uWBpbKrzrmEm48ZyP.
Tubelight (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6aec790a35b0744f2f2e14da5da05e764d9da08cc23c4f73c663cac80c4a07. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4fZfZYHaKo7iIAiaCjnBxo.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/4fZfZYHaKo7iIAiaCjnBxo.
{"copyright_id":"0x9fad4eaefaacbb1e57d91caeef5244929f512d5588dccd0ca8b9db3c5d4a9d2a","isrc":"INS171701445","name":"Naach Meri Jaan","registered_at":"2026-06-04T07:18:41Z","spotify_id":"7cvByqy8euqE4DYLO6b3EU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fad4eaefaacbb1e57d91caeef5244929f512d5588dccd0ca8b9db3c5d4a9d2a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7cvByqy8euqE4DYLO6b3EU.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/7cvByqy8euqE4DYLO6b3EU.
{"copyright_id":"0x3b08882da6d9f33f7f4b12b957ff2cb5134fad159b9c5b546f1facd215da6e89","isrc":"INS171701703","name":"Radio - Film Version","registered_at":"2026-06-18T15:21:24Z","spotify_id":"1Clsaam99Jeow5DEmIgVDI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b08882da6d9f33f7f4b12b957ff2cb5134fad159b9c5b546f1facd215da6e89. 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/1Clsaam99Jeow5DEmIgVDI.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/1Clsaam99Jeow5DEmIgVDI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f3c1e6b9818ff43b62ef337700a9fea6ccfcb418311d357d52a132dbe564100. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1KUbKsFnBrt4cWujEmZ6GP.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/1KUbKsFnBrt4cWujEmZ6GP.
{"copyright_id":"0xbe50dd21eff4d629fffa7c8e57a2c9b17ff1f6cbe1e345a944bfab01ca944d19","isrc":"INS180500037","name":"Laga Prem Rog (Remix)","registered_at":"2026-06-08T12:30:35Z","spotify_id":"4VMcJuArYYGAqGJXwBBQOm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe50dd21eff4d629fffa7c8e57a2c9b17ff1f6cbe1e345a944bfab01ca944d19. 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/4VMcJuArYYGAqGJXwBBQOm.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/4VMcJuArYYGAqGJXwBBQOm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff359a28e38d2eb43f68635c8265ef834c2d18faed7a1577e9075d3ed19eb1c7. 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/1jSOLpwXnK37EP5H9hvazC.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/1jSOLpwXnK37EP5H9hvazC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1eb94e355e2a912c1b17ffe60dd1b6470de500367be976a6086f84b13b3e07f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1u2SYXdDHs0LnJ1SuKDOce.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/1u2SYXdDHs0LnJ1SuKDOce.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebb40cf2a5d95559378c46d302e2583535588378ee2ae7e150307b3c58678945. 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/7a6TbavVOkH5mPFYUWdw7r.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/7a6TbavVOkH5mPFYUWdw7r.