1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9969f1f54b0050151853f1f6b12b0b6d9b4fffc0e538e7c2b0475e99672bfabd. Chain 2 (Bitcoin): anchored in block 953772 (2026-06-15T10:33:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c66c1a02-7c03-4517-bdd8-00d3f32ff183.json and https://artists.proofprofile.net/proofs/artist/c66c1a02-7c03-4517-bdd8-00d3f32ff183.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Story of Things (Original Series Soundtrack)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x354c969c506c3b09f1eb557246a3dfb3f25105ce99c320a15c195f9f891d68dc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INS172300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0efc1e4806a0143bbb3f0bceb10da8b714a311767af9689cacd051f479b6cf0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INS172300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57027c679732ca7922dfc035edf5105131b2aca11fe305c9bca5ec75c9af621a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INS172300015.
Paar Illadha Vaanathil (From "Bayamariya Brammai")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0270b9489458269ca52aef6214387fe9bd5a5fb43688d4d681d801f3a052da61. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYZ2083557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9a32cc1522667e287d111b7dcaf3711a8a6b13995293efe216de2b741f8989b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IND291810383.
Kannum Kannum Kollaiyadithaal (Original Motion Picture Soundtrack)
Sirikkalam Parakkalam - From "Kannum Kannum Kollaiyadithaal"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a7b1aa3d6e625248aaa728ddf0c2d1e4d69fcb1cc26434f2fb2587a4a72903a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407012.
Ennai Vittu - From "Kannum Kannum Kollaiyadithaal"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf0623d2cf2dd93997c77545d176d5f225e2e9b0e68aeecbfbc6e6b97cd302d4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd502785fd9775e9a614495f5c8439fdf42f1247d25c5967861bc018de3884a54. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0921d8605316c79267bca079edc9a0882f92e88faab0fe2bd746d0de938b48c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb08ad0d2d231f2dd4a360d9fd0c88407a141610cdf6b1a7ab99b61d1f493b56f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea1cf62ecdd1c3de63b0ee4c6b5c13c3d9e135be0d3d9f75f23b185d2c70eb61. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9add74f95bfbb137766df572fa2a59df8cf48c33ba4afcb58b246c67c955d77. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x265b90665ad4138cd01fc7f58206f0896bbec79a3d1f042696ca7c368d235eb6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407019.
Kanulu Kanulanu Dhochaayante (Original Motion Picture Soundtrack)
Cherokkato - From "Kanulu Kanulanu Dhochayaante"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2952fd962cff09042c78eee53f3d05e4b8de62720510eb531b35e92a3e7b8959. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407020.
Gundegilli - From "Kanulu Kanulanu Dochayante"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2c14a3e4a599c19cc0197e645720218f523baa05bc3cbd06cf954ea2f8f4f3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbab46229c7b7134de935f2fffa27dc3edfbcfafb478ab589f1e6fdb940731dc4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31348ee2575dde1f10dd0411bc56b55c32c3b11918c465b5072af7861e5a8f5. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e32055a3d95db9867939c1257b7dcf2771420ae8c6d2073c9f96c6214726ba4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a1c67b36f456c5bb44da348179f5ff6c1071fb56610b0f05d81bcb8748cd95. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:08:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7066897057bab3874f6ddc930d0336ac641eb74660c11848eb63f98f54bdc62. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd70a385d3cc0308667ec7610e0e87cd30cbec85c6aed1796438d5cd259ff4841. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INZ031407027.
Aandavan Kattalai (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x875c038ab87cb9d72739ace8c640348195a727bd1f17d6088e4f0fd2229ebdc0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INS171602118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5253b1f0883b1740c1afaf44affa01caa1af413b227a737fe0f705b164e46b32. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INS171602125.
Kirumi (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2167a1a7c1ba9ae12ea98302212ca2b5d54d4536f1070fea09daffdfc2447df2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INT201500876.
Kadhal Kan Kattuthe (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37886a38dad9a18c37418afc81e85573dbe6a2cba54dd38c08221aa7ea304834. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INS231663089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84f10b38d64c02faa26efebda684b11ae52881f27622e2c797ecac1141041fa9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INM5B2209425.
Echarikkai (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d816b69637af7f1bf47099c9e544cc6f7b3d8b2d97edce22a7ee430961e2ea. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IND291704401.
Graghanam (Original Motion Picture Soundtrack)
Athibar (Original Motion Picture Soundtrack)
Aanando Brahma (Original Motion Picture Soundtrack)