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 0x896224be9c0d654de5659c5a66ff7976d74876b71e26f70aa98d49d33f38e3c3. 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/04f82def-27de-4a5b-a865-4fea28a51a5b.json and https://artists.proofprofile.net/proofs/artist/04f82def-27de-4a5b-a865-4fea28a51a5b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Varnappakittu (Original Motion Picture Soundtrack)
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 0xdec20d702f70b6625130af7709b0c7a25bc6fe20758c64951116070fd7a3fe14. 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/6qjtHbtbf1BfaAjfUwM7ap.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/6qjtHbtbf1BfaAjfUwM7ap.
Kanaa Kandenadi (From "Parthipan Kanavu")
{"copyright_id":"0x4b2ceeeb6bbee3afeeb3681e67fc381e2b5a05680eaa0c56d3298f1d5457ca07","isrc":"INF040300503","name":"Kanaa Kandenadi (From \"Parthipan Kanavu\")","registered_at":"2026-06-10T17:27:24Z","spotify_id":"6CdNr0y4j1QVrnqfTVRSLa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b2ceeeb6bbee3afeeb3681e67fc381e2b5a05680eaa0c56d3298f1d5457ca07. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6CdNr0y4j1QVrnqfTVRSLa.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/6CdNr0y4j1QVrnqfTVRSLa.
Aaha Ethanai Azhagu (From "Aaha Ethanai Azhagu"
Sinthamani Sinthamani (From "Aahaa Yenna Porutham")
{"copyright_id":"0xf5e13e78f50759fdfd4f6a3ec167f7b9e59cc2bfd5251d5cf4eb532b70526c0d","isrc":"INF049700042","name":"Sinthamani Sinthamani (From \"Aahaa Yenna Porutham\")","registered_at":"2026-06-19T11:06:53Z","spotify_id":"4Fk98BqZ5ppbe0uZNtsQdK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5e13e78f50759fdfd4f6a3ec167f7b9e59cc2bfd5251d5cf4eb532b70526c0d. 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/4Fk98BqZ5ppbe0uZNtsQdK.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/4Fk98BqZ5ppbe0uZNtsQdK.
{"copyright_id":"0x6345f918dcc9c1922bfe66a2c5c58e33651fa4e37b4bbdc23e124f4b35fbd03c","isrc":"INF040200459","name":"Ithanundu (From \"Dhol\")","registered_at":"2026-06-08T20:17:18Z","spotify_id":"1OoN0lcy0ykwlTHQl73PaU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6345f918dcc9c1922bfe66a2c5c58e33651fa4e37b4bbdc23e124f4b35fbd03c. 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/1OoN0lcy0ykwlTHQl73PaU.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/1OoN0lcy0ykwlTHQl73PaU.
Nilavile Nilavile (From "Aaha Ethanai Azhagu")
Kanaguruvi Kuttukule (From "Aahaa Yenna Porutham")
{"copyright_id":"0xa0cebc7d1963d766de3f7b161f569a33394f0a52c36f7f32794af87eeb31d3b2","isrc":"INF040200460","name":"Kundu Kundu (From \"Dhol\")","registered_at":"2026-06-25T19:50:47Z","spotify_id":"5yXOQ5sTvntGTxSE4bpVzj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0cebc7d1963d766de3f7b161f569a33394f0a52c36f7f32794af87eeb31d3b2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5yXOQ5sTvntGTxSE4bpVzj.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/5yXOQ5sTvntGTxSE4bpVzj.
Kannu Rendum Konda (From "Aaha Ethanai Azhagu")
Vulakku Le Le (From "Aahaa Yenna Porutham")
{"copyright_id":"0xa795073c5ffe5e5d8ee490713a3b3431d050df79127d08636ea4ebecb2cc3b68","isrc":"INF040200464","name":"Aruva Meesai (From \"Dhol\")","registered_at":"2026-06-09T08:28:21Z","spotify_id":"4KQDvoSQsapgXNGSZBjtV8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa795073c5ffe5e5d8ee490713a3b3431d050df79127d08636ea4ebecb2cc3b68. 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/4KQDvoSQsapgXNGSZBjtV8.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/4KQDvoSQsapgXNGSZBjtV8.
Buck Buck Buck (From "Parthipan Kanavu")
{"copyright_id":"0xa110e1021ddcd76863c2a577ce6ac80efd1a127f743ef9201de193cfc2f88a85","isrc":"INF040300505","name":"Buck Buck Buck (From \"Parthipan Kanavu\")","registered_at":"2026-06-25T20:11:44Z","spotify_id":"4vp1qXgBTXvQYQ8ioHIZ2g","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa110e1021ddcd76863c2a577ce6ac80efd1a127f743ef9201de193cfc2f88a85. 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/4vp1qXgBTXvQYQ8ioHIZ2g.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/4vp1qXgBTXvQYQ8ioHIZ2g.
Kaadu Pathikichu (From "Aaha Ethanai Azhagu")
Coimbatore Kolunthu (From "Aahaa Yenna Porutham")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe530553d859f2694058795024a5001e94f3982897a14689e74bfc984fcc81499. 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/2HmEbywHZzfDW0RHkdUgHo.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/2HmEbywHZzfDW0RHkdUgHo.
Theeradha Dhummu (From "Parthipan Kanavu")
Aattukutty Ellam (From "Aaha Ethanai Azhagu")
Bagthak Perazhage (From "Aahaa Yenna Porutham")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64360635a1775228fc8efa7c0fe9ef0679fbcb47e075c3f171a53e7f8c487936. 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/67gkIT0b71iWi39QnwX40q.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/67gkIT0b71iWi39QnwX40q.
Vaadi Machiniye (From "Parthipan Kanavu")
Mozhi (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62ab8fe1d65f399e7883d5ca082352ffcd653f4cdf05d472a4375438197cb66a. 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/280mMf3Rz5wXJultU9EY1z.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/280mMf3Rz5wXJultU9EY1z.
{"copyright_id":"0x603b09461ef0c1b00597abe4da303d616f438453554ba90a2f4e5fb0e85eb021","isrc":"INH100700792","name":"Katrin Mozhiye - Male Vocals","registered_at":"2026-06-07T05:51:30Z","spotify_id":"5v5jJSWW1spL6jxvCi7bLL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x603b09461ef0c1b00597abe4da303d616f438453554ba90a2f4e5fb0e85eb021. 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/5v5jJSWW1spL6jxvCi7bLL.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/5v5jJSWW1spL6jxvCi7bLL.
{"copyright_id":"0x6064219d40197ecb84fc49fcad4f6b09cc4daeebed0042f783a1ed8244a7f795","isrc":"INH100700794","name":"Pesa Madandhaiye","registered_at":"2026-06-25T04:12:32Z","spotify_id":"1zbAMhbpJgrtGTNFwxqBco","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6064219d40197ecb84fc49fcad4f6b09cc4daeebed0042f783a1ed8244a7f795. 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/1zbAMhbpJgrtGTNFwxqBco.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/1zbAMhbpJgrtGTNFwxqBco.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc548cd1b2bde35e9825a3d9e7c8912580b7a91bbb65cf7b4e2568085b835c02e. 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/6liunoqgeO3JPkZqr485lZ.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/6liunoqgeO3JPkZqr485lZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d73584cfb7e71291344385cc6f4bd02321e7325a423e6972ef672a978646820. 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/2082UNqdZ2YMfOSk5iv92s.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/2082UNqdZ2YMfOSk5iv92s.
{"copyright_id":"0xb28b3136dad9d97e26c43b090a449ff60a0875d1e2b3a841f44a7d939250921f","isrc":"INH100705324","name":"Katrin Mozhiye - Female Vocals","registered_at":"2026-06-09T07:44:35Z","spotify_id":"1wirkU3ynsz9fW4xRf7gwl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb28b3136dad9d97e26c43b090a449ff60a0875d1e2b3a841f44a7d939250921f. 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/1wirkU3ynsz9fW4xRf7gwl.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/1wirkU3ynsz9fW4xRf7gwl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08769faa76bd0af6c88a7519e5bda708e27c935929291f8f145a0b0faffa1821. 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/72YmNZEJ9f6FrbWkiowixB.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/72YmNZEJ9f6FrbWkiowixB.
Em Magan (Original Motion Picture Soundtrack)
{"copyright_id":"0xf13a39ff61e2684e9f362f7553e4c3b28658233a4f5e1df8f436beaed74f2f9f","isrc":"INH100625703","name":"Koli Gundu Kannu Kovapazha Uthadu","registered_at":"2026-06-22T04:28:37Z","spotify_id":"0wBUKDF6Y8d1nuKgnK1kK6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf13a39ff61e2684e9f362f7553e4c3b28658233a4f5e1df8f436beaed74f2f9f. 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/0wBUKDF6Y8d1nuKgnK1kK6.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/0wBUKDF6Y8d1nuKgnK1kK6.
Suthudhu Suthudhu (From "Kanden Kadhalai")
Gramaphone (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x391b90300c5c21086ee5e18cc0ddaeed3dc439c218f8e41eb3a63b155ff71968. 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/167Y8OOC8x9Confqvqf6q0.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/167Y8OOC8x9Confqvqf6q0.
Devadoothan - Original Motion Picture Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b68f32dfc47e939e03a75a371049c8da847e4738ef3b926023d62e3f6842072. 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/6JgYLnlMSPIvNyPvIcHfTc.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/6JgYLnlMSPIvNyPvIcHfTc.
{"copyright_id":"0xf3f5996fd3e750ed7c09cb827530770997f87574dfd51443e5de5f4c9b9dbfb0","isrc":"IND292204397","name":"Poove Poove Paalappoove","registered_at":"2026-06-05T16:31:32Z","spotify_id":"4MBuVtPBB64RjnsD8rmGl1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3f5996fd3e750ed7c09cb827530770997f87574dfd51443e5de5f4c9b9dbfb0. 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/4MBuVtPBB64RjnsD8rmGl1.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/4MBuVtPBB64RjnsD8rmGl1.
{"copyright_id":"0xa97583b6900c6eec1a22b804435f1d67e6da017b325cd1b13f028e2fdfad788b","isrc":"IND292204399","name":"En Jeevane - Male Version","registered_at":"2026-06-24T11:28:56Z","spotify_id":"32FhqRqyQH65ckXlJZ5QSq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97583b6900c6eec1a22b804435f1d67e6da017b325cd1b13f028e2fdfad788b. 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/32FhqRqyQH65ckXlJZ5QSq.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/32FhqRqyQH65ckXlJZ5QSq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1787847214ce930e5d634b0d062007673b92962565a42014abb231d4909b5d. 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/1jWArlSyxvJUREQFp2602H.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/1jWArlSyxvJUREQFp2602H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5b1d34dfac9a018113b397ad9452ac13325122190a6fa1977b1aa21cfd8ad16. 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/1m6v3YN5yffiFmzAzM8WXU.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/1m6v3YN5yffiFmzAzM8WXU.
Devadoothan (Original Motion Picture Soundtrack)