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 0x7e5cf098ba9f88f9cc37bd0704940374f84bb04816905549d33fb8ea67ee31ef. 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/ad666570-6714-4a92-b9bd-d0430855a5b7.json and https://artists.proofprofile.net/proofs/artist/ad666570-6714-4a92-b9bd-d0430855a5b7.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 0xda392da05a2e4a216f36fc84a3a60bd5c97cf1d127ed0f9916a4a31cba575280. 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/3uIuJ9NMVQ7naSmhmi9j7y.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/3uIuJ9NMVQ7naSmhmi9j7y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x210ffeff910dbdaa19b02361aca208149618009a1a23c8013cb1a428f68a85b7. 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/742fMVHfX4GLz8dWSHPwZ4.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/742fMVHfX4GLz8dWSHPwZ4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bccf280822240b45f35c9f8d31dcee940d353eaa7d1c0734222055f32c96dbe. 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/3oFrWMuNK4dxZXLp0wpJAF.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/3oFrWMuNK4dxZXLp0wpJAF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1660e56bb67b1f219ebc80184fdc516ba3bb9cae8017cfdb2b9a5639e2510148. 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/6VaDrwKtUtnZ2flokjSy6f.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/6VaDrwKtUtnZ2flokjSy6f.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6146a757283cf87e2d48373f695920be207e3a825102060ee8565b7cd80d4788. 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/715eOV9VQD2RVQtiASd1OP.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/715eOV9VQD2RVQtiASd1OP.
{"copyright_id":"0x9e4cf72d7074a9881ccb8cfed98861a66a72ac5b225273f8dc5dff8a1bbe4058","isrc":"INS181903875","name":"Aai Shappat","registered_at":"2026-06-05T12:42:27Z","spotify_id":"6zWS7BrkzjYQMumq4AtqQj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e4cf72d7074a9881ccb8cfed98861a66a72ac5b225273f8dc5dff8a1bbe4058. 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/6zWS7BrkzjYQMumq4AtqQj.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/6zWS7BrkzjYQMumq4AtqQj.
{"copyright_id":"0x8dd22e9b5b274a26ef2ff3bcfe2f8c0f2cfbcc93dacd66f8eaa0d2afb3f44879","isrc":"INS181903876","name":"Katthai Katthai","registered_at":"2026-06-05T20:13:33Z","spotify_id":"24QbxFf4aztzJxXWdiUSbG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd22e9b5b274a26ef2ff3bcfe2f8c0f2cfbcc93dacd66f8eaa0d2afb3f44879. 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/24QbxFf4aztzJxXWdiUSbG.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/24QbxFf4aztzJxXWdiUSbG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1796acee63908bcd3a74b4844351c9422a1091a1e3b8dd45724875e35da0b03. 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/7weu76QSCywudKPioXZd98.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/7weu76QSCywudKPioXZd98.
{"copyright_id":"0xcdfb2231f0fe4ca59b4cc54e2ece4e79c3dae6c1b541f6c353484e0fe1a318b3","isrc":"INS181903877","name":"Ek Malaal","registered_at":"2026-06-08T03:43:32Z","spotify_id":"1UTSfILArU7UsujLVkWb8Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdfb2231f0fe4ca59b4cc54e2ece4e79c3dae6c1b541f6c353484e0fe1a318b3. 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/1UTSfILArU7UsujLVkWb8Y.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/1UTSfILArU7UsujLVkWb8Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1796acee63908bcd3a74b4844351c9422a1091a1e3b8dd45724875e35da0b03. 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/7p2W7iKU4QZG1aNYklzusD.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/7p2W7iKU4QZG1aNYklzusD.
Jagadamb (Manjha) [Original Motion Picture Soundtrack]
Carry on Maratha (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6521ede4a5f5a8951803791aac11607a57a1526d3be75dddbaa156dec5a662e5. 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/3yEGl07JYkwumZFFWg56Gn.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/3yEGl07JYkwumZFFWg56Gn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35245014eb73d49011ebfecb91d1b55e19ca83adfe5661c7c45896445c6272b2. 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/69m2pRERcuZWYUYIuOeJW3.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/69m2pRERcuZWYUYIuOeJW3.
Saawariya (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ee8a0fc74db546aabc7285459e434b5573b591860c58568e33cbb4f10335f18. 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/5T6yrJuKWnkCH2OlQsoO7z.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/5T6yrJuKWnkCH2OlQsoO7z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535516cc512a3815727e63c579391e26c741522acdad453565d7e676f6c6e8ba. 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/1rsHGOqu5MSWTc4Ios6LwD.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/1rsHGOqu5MSWTc4Ios6LwD.
{"copyright_id":"0x0a76d0b978d497221fe3236cbdd74511c43d3d06bb067320d2c13cebbd2deae0","isrc":"INS170709294","name":"Daras Bina Nahin Chain","registered_at":"2026-06-07T00:57:26Z","spotify_id":"2zeb6vp27AjF7nCP2yRgy8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a76d0b978d497221fe3236cbdd74511c43d3d06bb067320d2c13cebbd2deae0. 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/2zeb6vp27AjF7nCP2yRgy8.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/2zeb6vp27AjF7nCP2yRgy8.
Yolo - You Only Live Once (From "Anegan")
Playback: Dance Machi Dance - The Ultimate Tamil Dance Collection
{"copyright_id":"0x9a0198782a53c09f192acc6cd35a20f931ad54d16ab74e020354331be86c9e51","isrc":"INS171402369","name":"Yolo - You Only Live Once (From \"Anegan\")","registered_at":"2026-06-05T21:41:06Z","spotify_id":"7bHhtwH8rVTuNvZ2mk4JCm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a0198782a53c09f192acc6cd35a20f931ad54d16ab74e020354331be86c9e51. 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/7bHhtwH8rVTuNvZ2mk4JCm.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/7bHhtwH8rVTuNvZ2mk4JCm.
Heroes (Original Motion Picture Soundtrack)
Anekudu (Original Motion Picture Soundtrack)
Anegan (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a0198782a53c09f192acc6cd35a20f931ad54d16ab74e020354331be86c9e51. 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/69Do5yYdEx7XSr8mlLn0Pr.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/69Do5yYdEx7XSr8mlLn0Pr.
Ghatikudu (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77311a5cc1bd4e544a90cbada0066e38db5e8d88827d253a8049540d2fd0cf79. 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/17apBocxOxZHiTNWEGgzS5.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/17apBocxOxZHiTNWEGgzS5.
Aadhavan (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f4ed5a50420a37fc2cf11a31718320a7ed0506bf8b5db40132c973959cdb729. 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/5APtMcc2hQv61LqoOrMv0O.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/5APtMcc2hQv61LqoOrMv0O.