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 0xa509284e05e3e1ceb51279bb9e52dd5f816437bfd32819cce2a24dcfd2064e03. 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/f2a6a7fe-3690-4c41-8363-c05654345702.json and https://artists.proofprofile.net/proofs/artist/f2a6a7fe-3690-4c41-8363-c05654345702.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x4abd2f1025c795c675cf1070e9695bf70d3adab42fb810835f10e2e05b1bd76f. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/INS182200894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e43b45f70dd553fe9ea0767320658f0e01323fa06985da026575f756e59b648. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T00:01:46Z), 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/USA2P2242691.
Gundeloone Nilicheena (From " Pisachi 2") - Single
Nenjai Kelu (From " Pisachi 2") - Single
Vaazhum Naalelam (From "Attraith Thingal Annilavil")
Naanaga Naanum Illai (Female Version) [From "Weapon"]
Madhuramum Idha (From "The Family Star")
Messi From Nijamana Kadhal A R Saravanan Priyanka Nk
Sollamal Kadhale (From "Kadhal Solla Vanthen")
Idi Minnal Kadhal (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba8c19bc17282c3dfdfa1d060ddc0ae2ad7a0f96b9b597959aabcd371da1e7af. 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/INT522203943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bfaf19cc8cd7035f14e38adfc590d1fcc3b399da5ff8acf854db03ec762f5ef. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/TCAGJ2292847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2141c02f81401b5e501c7c7688214dcdc0cc50b246a8688f9526089eac216057. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T18:47:29Z), 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/TCAGJ2293033.
Devil (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc869634497c6660a00407cdd45b9e739788cfd9d3cebecbf23d9c77dbe88ac07. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/INS172308956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28f304c5cc2d72a64b31cd5fc309e771e907598ed3001d00ec59567404a1a0c. 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/INS172316479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09bcc0c9e1fc3ef56ad2ed24c99b41851d4c923e51278fed07c245c3364f3c17. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/INM302400574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aeb767d798cf3d141c9d6f7dcfdec4873c06cc881d85d29731bdf2bd193cf9a. 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/INUM72400149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57578162742508ef9f6bc1e971257b630428b48342bd36d6347bcf92e259ec64. 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/INA091916648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9be6c9a7315d43b71f05fce26e026353cea2bdf2730c26c5c9403bec9472b60. 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/INS171900532.
Uriyadi 2 (Original Motion Picture Soundtrack)
Kanavilum Kavithai (Original Motion Picture Soundtrack)
Iruthi Pakkam (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eda891e29bc544e9ed5b4254ec97f2a69e785a98af83df112f3fb4db217ca14. 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/INV691900033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab5d6fcb59f39d090bffc5cacfbf31b48a05c3b3c3a706ab5fa0526ccdb38d4. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/INS282201082.