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 0x8344e7673be21af664507b9e2ab9bd0dffc80bce12c54ecef0837fefae54deae. 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/84653bc3-5ea5-4a36-9dfe-21f80ec4af79.json and https://artists.proofprofile.net/proofs/artist/84653bc3-5ea5-4a36-9dfe-21f80ec4af79.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Bomba Atomica (feat. Masacre Pa Lapiz, Shelow Shaq, Poeta & Monkey Black)
{"copyright_id":"0xf5c64d80002a43b8084ceee019ef6c5d0c0fe090ec11a887c27422e0b9252760","isrc":"USHM81230492","name":"La Bomba Atomica (feat. Masacre Pa Lapiz, Shelow Shaq, Poeta & Monkey Black)","registered_at":"2026-06-24T21:54:26Z","spotify_id":"2r35S3RPOo1xk8uCtJyr6U","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 0xf5c64d80002a43b8084ceee019ef6c5d0c0fe090ec11a887c27422e0b9252760. 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/2r35S3RPOo1xk8uCtJyr6U.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/2r35S3RPOo1xk8uCtJyr6U.
Los Tigueres Que Gatan (feat. Black Jonas Point)
Forza y Te Mueres (feat. la Insuperable)
{"copyright_id":"0x1ed7b8167e2e236a3afca38243eb3d33f231196ad794a914c17fbf7bf5ec5fe2","isrc":"USHM81222433","name":"Nino Cuboy","registered_at":"2026-06-18T21:41:54Z","spotify_id":"1oKtHrh7hi6FeFAKMKZKkH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed7b8167e2e236a3afca38243eb3d33f231196ad794a914c17fbf7bf5ec5fe2. 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/1oKtHrh7hi6FeFAKMKZKkH.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/1oKtHrh7hi6FeFAKMKZKkH.
{"copyright_id":"0x3b2c701b39fa472e074bf651157c0de538df29cd0aa507a6fd63d0bf32a9936f","isrc":"USHM81222437","name":"Wiky Wiky (Remix)","registered_at":"2026-06-04T09:19:52Z","spotify_id":"5kdYciopR2iO70BtWNSjSD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b2c701b39fa472e074bf651157c0de538df29cd0aa507a6fd63d0bf32a9936f. 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/5kdYciopR2iO70BtWNSjSD.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/5kdYciopR2iO70BtWNSjSD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b5961ad1a26b6b615f1f7bfced8f481cd4e8ec1c2417b2802e26332f7a5acd2. 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/6ohMSsihYlC3IjSNFbiQmY.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/6ohMSsihYlC3IjSNFbiQmY.
{"copyright_id":"0x00afe7ffb94a4896c0f55f5dc37fd0b13af400e366c7f1ebd6cd8d0410da0453","isrc":"USHM81222444","name":"Cero Gogas (feat. la Insuperable)","registered_at":"2026-06-25T14:12:48Z","spotify_id":"4fRTh82DDVxczf9PK7TUEs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00afe7ffb94a4896c0f55f5dc37fd0b13af400e366c7f1ebd6cd8d0410da0453. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4fRTh82DDVxczf9PK7TUEs.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/4fRTh82DDVxczf9PK7TUEs.
Javielito (feat. Lapiz Conciente & Hallywood)
{"copyright_id":"0xeae13124bac78aa7aacee6bda359b1dc8d7b405ec42a4a03fc470690c8fc1848","isrc":"USHM81222436","name":"Javielito (feat. Lapiz Conciente & Hallywood)","registered_at":"2026-06-18T06:36:01Z","spotify_id":"2bSAZFeEHS5u7EMz94TfhK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeae13124bac78aa7aacee6bda359b1dc8d7b405ec42a4a03fc470690c8fc1848. 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/2bSAZFeEHS5u7EMz94TfhK.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/2bSAZFeEHS5u7EMz94TfhK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6265095d5043e33d769c2eaadf9ccecc0c7315429cebd24e3d421539a64f90e1. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Kvy4SJAFfXa1xyZfmHth6.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/7Kvy4SJAFfXa1xyZfmHth6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ade76fefd17ab81f319af6f2d968e24accc11e0b261c6ec0cada088b603978. 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/014nmdhbZ6RGYrq9mjPVHy.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/014nmdhbZ6RGYrq9mjPVHy.
{"copyright_id":"0x82de7df50dbbf424ba78d2b3db84cd5091ffe77102a7fb38a781bf3c7084dc6e","isrc":"ES5991200607","name":"La Morena","registered_at":"2026-06-07T22:18:35Z","spotify_id":"23z2ERHuYOxPJBJYpsXBhI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82de7df50dbbf424ba78d2b3db84cd5091ffe77102a7fb38a781bf3c7084dc6e. 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/23z2ERHuYOxPJBJYpsXBhI.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/23z2ERHuYOxPJBJYpsXBhI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ea531d1537c318eb043c9f3421971073682178da1318cc7fc907a52a7280443. 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/6vi9XV3wYZmQL27jciyVmA.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/6vi9XV3wYZmQL27jciyVmA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f7dc53c3854f72a710d8804a0946c692701432a5b9ed9cc307bbdd354d2b17. 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/52jCzj6ty2MgYg9Hcu3Olu.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/52jCzj6ty2MgYg9Hcu3Olu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61ad01416e57105b2320558934e1096d41da68cb30196cf064eee228f7df5ed7. 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/2Oam1fEthLP2TJD7YGfMEi.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/2Oam1fEthLP2TJD7YGfMEi.
Nadie Como Yo Te Va Amar (feat. la Pandilla Rd)
Rico de Chapa y de Teta (feat. Jodienda)
{"copyright_id":"0xbe4a554036c85b1dd4db8ffdb77cc832f05cdab592d2acf64441f9b582da85a1","isrc":"QMFME1460653","name":"Capea el Dough 2k14","registered_at":"2026-06-05T21:05:31Z","spotify_id":"7kIP60tCZ6XlAtSbJjGlhU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe4a554036c85b1dd4db8ffdb77cc832f05cdab592d2acf64441f9b582da85a1. 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/7kIP60tCZ6XlAtSbJjGlhU.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/7kIP60tCZ6XlAtSbJjGlhU.
Latin Hits 2016 Club Edition - 65 Latin Music Hits (Salsa, Bachata, Dembow, Merengue, Reggaeton, Urbano, Timba, Cubaton Kuduro, Latin Fitness)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78e82d6917bc7e41b950b3670101f380d8e620865df153eb4fc63a2bd2a0d880. 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/6Rx6vz0XaZwkBQ0HyoHTyN.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/6Rx6vz0XaZwkBQ0HyoHTyN.
{"copyright_id":"0x4fa2b9c4b66aeba33609b4791d359827251c7ff80e9aef9ea6f63adef9a174f6","isrc":"USLZJ1869787","name":"Tu Lokotron - Remix","registered_at":"2026-06-08T11:44:28Z","spotify_id":"5jkcVON2eglRaYkJUCwsmr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fa2b9c4b66aeba33609b4791d359827251c7ff80e9aef9ea6f63adef9a174f6. 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/5jkcVON2eglRaYkJUCwsmr.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/5jkcVON2eglRaYkJUCwsmr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0097f385da42bec51b6c8dcc4cb8bf29d43b642192fb0541a3e48848b6de3c5f. 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/1ARcB4cH6mS0I5t3QohrmB.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/1ARcB4cH6mS0I5t3QohrmB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x178173905f585ffa2c530c04e392cb197168208c12fa299508175ecb2842c320. 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/5rf4BTmO5fHHLRtMEoL4I4.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/5rf4BTmO5fHHLRtMEoL4I4.