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 0xf9bb248d440fbcc5c66bcf41bf488591e2fc560ce0ecc4c9bf83cc389574c92b. 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/86a9575c-61e5-46a4-b860-eeb843e432d6.json and https://artists.proofprofile.net/proofs/artist/86a9575c-61e5-46a4-b860-eeb843e432d6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xa5f33a6e71b35768019bcf5d73b94cd8c5de59c942fec51d47cf7556fc95efa4","isrc":"INW262317690","name":"Heeriye (feat. Arijit Singh)","registered_at":"2026-06-01T04:19:39Z","spotify_id":"5PUXKVVVQ74C3gl5vKy9Li","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 0xa5f33a6e71b35768019bcf5d73b94cd8c5de59c942fec51d47cf7556fc95efa4. 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/5PUXKVVVQ74C3gl5vKy9Li.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/5PUXKVVVQ74C3gl5vKy9Li.
{"copyright_id":"0x10cec21ccd65f8a01c27cdc980cab194209372a4e4f34e6d88723835af079770","isrc":"INW262318288","name":"Heeriye Lofi Remix (feat. Arijit Singh)","registered_at":"2026-06-04T10:46:12Z","spotify_id":"6fX311zFnYhtD39XXa2hEz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10cec21ccd65f8a01c27cdc980cab194209372a4e4f34e6d88723835af079770. 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/6fX311zFnYhtD39XXa2hEz.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/6fX311zFnYhtD39XXa2hEz.
Heeriye Slowed + Reverb (feat. Arijit Singh)
{"copyright_id":"0xfb6af3f6efbb54acc65d377eb39aad5b1c3d020e8ad021f5de2b660858b5ea06","isrc":"INW262318363","name":"Heeriye Slowed + Reverb (feat. Arijit Singh)","registered_at":"2026-06-05T04:10:57Z","spotify_id":"01IV93cDnXon3gFQ3bRe7s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb6af3f6efbb54acc65d377eb39aad5b1c3d020e8ad021f5de2b660858b5ea06. 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/01IV93cDnXon3gFQ3bRe7s.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/01IV93cDnXon3gFQ3bRe7s.
Heeriye Slowed + Reverb Pitch Down (feat. Arijit Singh)
{"copyright_id":"0x4d8508c728956df718d46fd05ef13da15fc1a2677be060eb5614877358c8284e","isrc":"INW262318364","name":"Heeriye Slowed + Reverb Pitch Down (feat. Arijit Singh)","registered_at":"2026-06-10T19:43:34Z","spotify_id":"5OS6XArJmGy3qlvacbdoTS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d8508c728956df718d46fd05ef13da15fc1a2677be060eb5614877358c8284e. 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/5OS6XArJmGy3qlvacbdoTS.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/5OS6XArJmGy3qlvacbdoTS.
{"copyright_id":"0xe4ca2fc4995ebb09e7e01eb1adb0eed2d855489a1df40beddb55e2af65de5d8b","isrc":"INW262318365","name":"Heeriye Sped Up (feat. Arijit Singh)","registered_at":"2026-06-18T19:01:35Z","spotify_id":"55tMWXIw0EXw2tU5BotXXA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4ca2fc4995ebb09e7e01eb1adb0eed2d855489a1df40beddb55e2af65de5d8b. 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/55tMWXIw0EXw2tU5BotXXA.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/55tMWXIw0EXw2tU5BotXXA.
CIA - Comrade in America (Original Motion Picture Soundtrack)
{"copyright_id":"0x05ff0881cdc1ed34cb624b043dac1efff62600e1a35d02ce0d02ebd2d0238639","isrc":"INA981700009","name":"Kerala Manninayi","registered_at":"2026-06-04T15:37:28Z","spotify_id":"7MrjdBnWqAx98ZqOtQlSXc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ff0881cdc1ed34cb624b043dac1efff62600e1a35d02ce0d02ebd2d0238639. 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/7MrjdBnWqAx98ZqOtQlSXc.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/7MrjdBnWqAx98ZqOtQlSXc.
{"copyright_id":"0xc72b6c9e119a0569f824277c5d6dbd48f04a8b6ab52003f2572c68ccaba4d834","isrc":"INA981700010","name":"Vaanam Thilathilakkanu","registered_at":"2026-06-04T10:46:24Z","spotify_id":"6jriR0GyQ6JkXwd5ONUXfe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72b6c9e119a0569f824277c5d6dbd48f04a8b6ab52003f2572c68ccaba4d834. 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/6jriR0GyQ6JkXwd5ONUXfe.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/6jriR0GyQ6JkXwd5ONUXfe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x855edf60b2c075ef2ec0994506fc280db4a1293262487266733b818a73be96dd. 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/7veNnQhNPxjUT7Cs8pTQS5.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/7veNnQhNPxjUT7Cs8pTQS5.
Parava - Original Motion Picture Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00919348a5cb4cc97b1b5de2e504797902ccfd5af1a10310a30d22230fb55679. 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/1SH16L7jBwGX7pR7oLlSs8.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/1SH16L7jBwGX7pR7oLlSs8.
Kurup (Original Motion Picture Soundtrack)
{"copyright_id":"0x7137b98671aeb693f5143fdfcfe65090f59c7e26ed9f4a6642d01ad87942312d","isrc":"INW262318587","name":"Eeriye (feat. Sudharshan Ashok)","registered_at":"2026-06-07T11:47:04Z","spotify_id":"3TpjfyOrGCY1IdDnZVp9DY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7137b98671aeb693f5143fdfcfe65090f59c7e26ed9f4a6642d01ad87942312d. 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/3TpjfyOrGCY1IdDnZVp9DY.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/3TpjfyOrGCY1IdDnZVp9DY.
Maniyarayile Ashokan (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x914d2d37d9642834ddc3887dadb17c825cb73342e4b18d23e547e1bcdf694fd6. 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/2sdgutaz9hKF4Gv13MPuVW.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/2sdgutaz9hKF4Gv13MPuVW.
Hey Sinamika (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71177df1e089128319007e27adf35df0fb484156ae3627d3672b72d5ede4cbfd. 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/0R8UkzxIqZQrUw05IAL3oQ.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/0R8UkzxIqZQrUw05IAL3oQ.