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 0xab4a8758424b3feccd57e200023580aad67bf8d9cd4d6144a5f116289246cbc7. 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/0ac1975e-af1e-42b2-98b5-d009b99f54be.json and https://artists.proofprofile.net/proofs/artist/0ac1975e-af1e-42b2-98b5-d009b99f54be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x10eee498228b8bd5b4db3c105bcd8b5d9eae375a89be7720b2058d73bf2e6fdc","isrc":"FR96X2359573","name":"Pagai Mudi - From \"Rudhran\"","registered_at":"2026-06-07T00:55:55Z","spotify_id":"4ht6pNzlZJVS0enqLdHFXY","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 0x10eee498228b8bd5b4db3c105bcd8b5d9eae375a89be7720b2058d73bf2e6fdc. 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/4ht6pNzlZJVS0enqLdHFXY.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/4ht6pNzlZJVS0enqLdHFXY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7104e5b2750f19d2064713f8b93b84662e4f61bab4586c994e10ba19015141fe. 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/7evKXyzASuu6n4vRdmHdsV.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/7evKXyzASuu6n4vRdmHdsV.
Adhirum Veeradhi Veeran (From "Sarbath")
Adhirum Veeradhi Veeran - From "Sarbath"
Hukum Maado (From "Hukum Maado Roberrt")
Hukum Maado - From "Hukum Maado Roberrt"
8 Mani Bus'su Kulla (From "Oththaikku Oththa") - Single
8 Mani Bus'su Kulla (From "Oththaikku Oththa")
{"copyright_id":"0xfdf5f90e5deac782a3bc224530e312c3c6f2df9f4ef285a54f3924d0d746674d","isrc":"MYVD12000001","name":"Agalathey Vilagathey - From \"Athigaari\"","registered_at":"2026-06-27T17:33:29Z","spotify_id":"7nr9u5m5BK1s65WLAMu6Q8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdf5f90e5deac782a3bc224530e312c3c6f2df9f4ef285a54f3924d0d746674d. 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/7nr9u5m5BK1s65WLAMu6Q8.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/7nr9u5m5BK1s65WLAMu6Q8.
{"copyright_id":"0xd91c8554496812e6f9532d9f106894b716febefd46f6df5bf3823f5758ddf93c","isrc":"INT202002142","name":"Happy Birthday - From \"Naan Sirithal\"","registered_at":"2026-06-07T01:01:17Z","spotify_id":"6Uq04F8rsqR0tAYBTVGlEv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd91c8554496812e6f9532d9f106894b716febefd46f6df5bf3823f5758ddf93c. 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/6Uq04F8rsqR0tAYBTVGlEv.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/6Uq04F8rsqR0tAYBTVGlEv.
Vaaren Vaaren Seemaraja (From "Seemaraja")
Vaaren Vaaren Seemaraja - From "Seemaraja"
{"copyright_id":"0x9980ccaebde09209b5f758baa21cb319a5b5d9001f5ef4d24338bf6311be4211","isrc":"INT201801777","name":"Vaaren Vaaren Seemaraja - From \"Seemaraja\"","registered_at":"2026-06-05T17:06:16Z","spotify_id":"4vNrpC5o6FJWvl3w3ITFWU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9980ccaebde09209b5f758baa21cb319a5b5d9001f5ef4d24338bf6311be4211. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4vNrpC5o6FJWvl3w3ITFWU.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/4vNrpC5o6FJWvl3w3ITFWU.
Ghostophobilia (From "Manthri Gari Bangla")
My Wifeu Romba Beautifulu (From "Panju Mittai")
Rayara Sose (Original Motion Picture Soundtrack)
Hemareddy Mallamma (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96686656ec290dfd641fa46c57281c7f3d45563f79d5be3b9438c343177f1641. 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/4WKKY8IzK23rlEZ3025SF0.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/4WKKY8IzK23rlEZ3025SF0.
Vettai Puli (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30450c668afb91d76acc288709d2cfed7854d2d54a482e4255f34a2328baeb22. 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/7bA1Ph3Dx3zSxLs0CX3uRJ.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/7bA1Ph3Dx3zSxLs0CX3uRJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81a9e2fb01c67483f89660e0d6e3907b8f2178d9748090ebbffd4326c2bfe07c. 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/6v2JSbPDi5OK0UBLa7VXe0.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/6v2JSbPDi5OK0UBLa7VXe0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d67391b2ad081742f433cd394d8ac2938e24730625f3a565fe942230d255e41. 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/1uJAswRfB7hbhNnKhbJIit.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/1uJAswRfB7hbhNnKhbJIit.
Sanga Thamizhan - Original Motion Picture Soundtrack
{"copyright_id":"0xf919593ec8f78efc350f8dc7ed3dd7940591aea1533c766dfacbed41dce433eb","isrc":"INS171903079","name":"Innum Vera","registered_at":"2026-06-09T07:38:54Z","spotify_id":"5VJcuFcf05MZGrjBWY4UcF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf919593ec8f78efc350f8dc7ed3dd7940591aea1533c766dfacbed41dce433eb. 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/5VJcuFcf05MZGrjBWY4UcF.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/5VJcuFcf05MZGrjBWY4UcF.
Gatta Kusthi (Original Motion Picture Soundtrack)
Raavana Kottam (Original Motion Picture Soundtrack)
Rum (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8e2a9d82bf0e544cca244943173d9ed92b9464765a920965b8318b65cc0a5e4. 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/6coRikcKTh3lUwLDlN96K0.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/6coRikcKTh3lUwLDlN96K0.
L.K.G. (Original Motion Picture Soundtrack)
{"copyright_id":"0x5339ab871eeaea2222a2beaaba86958c059a93e3b6e317b55f62f05495d81b4e","isrc":"INT201901972","name":"Ini Oru Vidhi Seivom","registered_at":"2026-06-10T04:22:10Z","spotify_id":"0QTuvyDf5NVmzaN90AF2Xp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5339ab871eeaea2222a2beaaba86958c059a93e3b6e317b55f62f05495d81b4e. 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/0QTuvyDf5NVmzaN90AF2Xp.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/0QTuvyDf5NVmzaN90AF2Xp.
Manthri Gari Bangla (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05a314e9b6507859e2e5369d74b46226e8340d7b2da90e5f5364cbeef4217992. 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/3I54qrQyksYE0Hj3hGPJG6.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/3I54qrQyksYE0Hj3hGPJG6.
Seemaraja (Original Motion Picture Soundtrack)
{"copyright_id":"0x9980ccaebde09209b5f758baa21cb319a5b5d9001f5ef4d24338bf6311be4211","isrc":"INT201801777","name":"Vaaren Vaaren Seemaraja","registered_at":"2026-06-05T17:06:16Z","spotify_id":"3tyOXNrvqioQvMAMLPqNs6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9980ccaebde09209b5f758baa21cb319a5b5d9001f5ef4d24338bf6311be4211. 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/3tyOXNrvqioQvMAMLPqNs6.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/3tyOXNrvqioQvMAMLPqNs6.