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 0xdf04f81cb42dc5170a52069b15323f3bc1463ee5f1f25da22e66772cbc6c67c3. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/151bea27-a233-4765-9637-ac7143f7b242.json and https://artists.proofprofile.net/proofs/artist/151bea27-a233-4765-9637-ac7143f7b242.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xede4abe5a94f11f12553838790d3fb70bd23d5a9ce906f1aea0ececaadc309ec","isrc":"TCADL1879524","name":"No Funcionamos","registered_at":"2026-06-05T06:24:44Z","spotify_id":"5BWZegAnPpqHH3frFsNlfO","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 0xede4abe5a94f11f12553838790d3fb70bd23d5a9ce906f1aea0ececaadc309ec. 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/5BWZegAnPpqHH3frFsNlfO.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/5BWZegAnPpqHH3frFsNlfO.
{"copyright_id":"0xc3a84444fbe443f03d25fac6ce624617c9a8d8ae2f46fa05a06af3dec7eb9a0b","isrc":"TCADL1879529","name":"Ya No Eres Bienvenida","registered_at":"2026-06-07T03:51:14Z","spotify_id":"1ZdPH7VgY3Y3vpKolLb3zo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a84444fbe443f03d25fac6ce624617c9a8d8ae2f46fa05a06af3dec7eb9a0b. 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/1ZdPH7VgY3Y3vpKolLb3zo.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/1ZdPH7VgY3Y3vpKolLb3zo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eddf73dbc332a2455395af1e8d8ac3b7c6887ac00a93ce8e01471100f380e95. 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/1UJtiJVjphvgdBagnIMjow.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/1UJtiJVjphvgdBagnIMjow.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0bd340efc3b0f39931fd4f2020746165fc8d72b904270c6bdfffbb84f751782. 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/1gzMhrHtsnQHRYx85BtVL0.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/1gzMhrHtsnQHRYx85BtVL0.
{"copyright_id":"0xc91ed78e07b5bd64d70369db5b8e81a40155bf5879ac145c7f521aa81a161eef","isrc":"TCADL1879536","name":"En Tu Colección","registered_at":"2026-06-09T11:21:15Z","spotify_id":"6oNSrNN5NeUcyqVId9CGWx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc91ed78e07b5bd64d70369db5b8e81a40155bf5879ac145c7f521aa81a161eef. 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/6oNSrNN5NeUcyqVId9CGWx.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/6oNSrNN5NeUcyqVId9CGWx.
{"copyright_id":"0xad18f5ca6ce58fe4a0fc491e556b4f5045cb7ec87687c20bfabb7d7a14c93b0d","isrc":"TCADL1879537","name":"El Hijo De Un Ranchero","registered_at":"2026-06-26T01:23:46Z","spotify_id":"7G4ke5i6ZjxGy2HqNVlJp7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad18f5ca6ce58fe4a0fc491e556b4f5045cb7ec87687c20bfabb7d7a14c93b0d. 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/7G4ke5i6ZjxGy2HqNVlJp7.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/7G4ke5i6ZjxGy2HqNVlJp7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54f0d02a49107ee75f00fdd1ce2d094e0e0fdfc448407450f0e4c2494743a60b. 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/1SBa995OmMFkNgnYZ5PlXz.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/1SBa995OmMFkNgnYZ5PlXz.
{"copyright_id":"0xe8c28d3ae8c1003b527df1bc9d130da44fe16034e570bf3f37b913f4b9c50cfd","isrc":"TCADL1879544","name":"A Punto De Olvidarte","registered_at":"2026-06-20T13:02:50Z","spotify_id":"2Ojmu7xFN56nqXHcBZfSvH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8c28d3ae8c1003b527df1bc9d130da44fe16034e570bf3f37b913f4b9c50cfd. 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/2Ojmu7xFN56nqXHcBZfSvH.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/2Ojmu7xFN56nqXHcBZfSvH.
{"copyright_id":"0xb9b60a95509f69ccbc8cc73a04a451dd4d5916c1b6eee7c9ad63aabc7a462681","isrc":"TCADL1879557","name":"Yo Sin Ti","registered_at":"2026-06-26T01:23:26Z","spotify_id":"1K0io9Kc3KUcgrObtEzWCk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9b60a95509f69ccbc8cc73a04a451dd4d5916c1b6eee7c9ad63aabc7a462681. 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/1K0io9Kc3KUcgrObtEzWCk.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/1K0io9Kc3KUcgrObtEzWCk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x534fc3ade12737797112716d3935c6a23dd0d2f5df2c51f0e0e49d8cb2403a44. 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/6RM3ZbfVN4j0zrHVbOa1xL.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/6RM3ZbfVN4j0zrHVbOa1xL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20209467b54acb97df0704adda52c8ab28bf35420e2eeedb781960296d7e8b70. 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/4pLmQiapvT9wdYeBvdt83L.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/4pLmQiapvT9wdYeBvdt83L.
{"copyright_id":"0x8a4e0c1168f5ea72b88cf5ee4cb5f4e77e386a7be5d75022bc30c7813d3dde9c","isrc":"TCADG1710482","name":"Soy Orgulloso","registered_at":"2026-06-24T22:49:36Z","spotify_id":"1ilT2RxdgOBu0Ebfi0Xru4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a4e0c1168f5ea72b88cf5ee4cb5f4e77e386a7be5d75022bc30c7813d3dde9c. 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/1ilT2RxdgOBu0Ebfi0Xru4.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/1ilT2RxdgOBu0Ebfi0Xru4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01e05573d4e28331d77a19c92994fffaa74488b4fa3965f5cde32c476d612732. 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/2CaaVw5SyUqAlX9cb8widY.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/2CaaVw5SyUqAlX9cb8widY.
{"copyright_id":"0x789cc16cad85026adcb1da4e9b53afeff07411a9a841a2d8999d58aed372da19","isrc":"TCADG1710506","name":"Marcando El Territorio","registered_at":"2026-06-27T17:48:47Z","spotify_id":"1DODz4AvPau7K2vKkwWSPf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x789cc16cad85026adcb1da4e9b53afeff07411a9a841a2d8999d58aed372da19. 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/1DODz4AvPau7K2vKkwWSPf.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/1DODz4AvPau7K2vKkwWSPf.
Soy Como Quiero Ser (feat. Javier Rios III)
{"copyright_id":"0xa2ea852fd4e976f3043695b9ef19335d37b9bc279cf888c9186b7d0894cf6663","isrc":"TCADG1710518","name":"El Payaso Que Te Amaba","registered_at":"2026-06-18T06:33:33Z","spotify_id":"4gUp4VdzeWFTsELtOCXYay","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2ea852fd4e976f3043695b9ef19335d37b9bc279cf888c9186b7d0894cf6663. 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/4gUp4VdzeWFTsELtOCXYay.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/4gUp4VdzeWFTsELtOCXYay.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff0c4cb8e22687268a34f1e60880c795fe0eec72105cd42c5896701871723c80. 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/08Zgk81KKPJSzBdgwvLWMF.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/08Zgk81KKPJSzBdgwvLWMF.
{"copyright_id":"0x181e7acccffff06bc0b5b13ffe4022df9f7c9428fcaadf3142f692631e27bd7b","isrc":"TCADG1710524","name":"Es Bonita","registered_at":"2026-06-27T18:01:19Z","spotify_id":"7jWFkDt0Wo4cf7EIGmARLB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x181e7acccffff06bc0b5b13ffe4022df9f7c9428fcaadf3142f692631e27bd7b. 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/7jWFkDt0Wo4cf7EIGmARLB.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/7jWFkDt0Wo4cf7EIGmARLB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d9fcb56039eb07d097648159ad4467df55e94ecb17bb600361fdd14a4ba88cc. 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/732dVXzovWleve8ED0mopg.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/732dVXzovWleve8ED0mopg.
{"copyright_id":"0xdd18f8fd97402d6227698746ddf6df69b669bbd6eb18cd16994bfe263b24aeb9","isrc":"BK4DA2322509","name":"Poco A Poquito","registered_at":"2026-06-19T18:17:37Z","spotify_id":"5usWlJykwuVNEUziW12fzu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd18f8fd97402d6227698746ddf6df69b669bbd6eb18cd16994bfe263b24aeb9. 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/5usWlJykwuVNEUziW12fzu.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/5usWlJykwuVNEUziW12fzu.
{"copyright_id":"0xcccf8eafb28cc0782d120c0e0ff9c46cfde10c02ec7d740380325f69acd96cf8","isrc":"TCAGR2210693","name":"Listo Para Ti","registered_at":"2026-06-10T07:53:05Z","spotify_id":"7E9MV3TL94M4z5bUsTELa5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcccf8eafb28cc0782d120c0e0ff9c46cfde10c02ec7d740380325f69acd96cf8. 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/7E9MV3TL94M4z5bUsTELa5.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/7E9MV3TL94M4z5bUsTELa5.
{"copyright_id":"0x61ae1bae7959b5bf8a7b436eb8cdb8e32640ff8c44158888762010b99cfa1875","isrc":"TCAGE2230396","name":"Dulcemente Enamorada","registered_at":"2026-06-06T19:43:18Z","spotify_id":"2KRyT5Bm3xVJcm2i3vsT5G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61ae1bae7959b5bf8a7b436eb8cdb8e32640ff8c44158888762010b99cfa1875. 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/2KRyT5Bm3xVJcm2i3vsT5G.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/2KRyT5Bm3xVJcm2i3vsT5G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x544c4d43882a2c722402ab226a4883874c428ef4a2f462fa920fd81bbb1f0457. 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/0vZLisluEKL72Z84M9fLZ9.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/0vZLisluEKL72Z84M9fLZ9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd5c8f17698938f14c8e655fe9b1e075aff838b44bdb4d8971ab44d1caa32374. 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/0wyKxYM0z9uaobGS97E5Zn.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/0wyKxYM0z9uaobGS97E5Zn.
{"copyright_id":"0xdd55aca71c659aa37a4d82d3eae97898f1de01c8a2dcf720c53b56603bf4fccb","isrc":"TCAES2055800","name":"Y Ahora Te Vas","registered_at":"2026-06-19T18:13:22Z","spotify_id":"1BbQvmKSfSUFtMQFMoqDSy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd55aca71c659aa37a4d82d3eae97898f1de01c8a2dcf720c53b56603bf4fccb. 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/1BbQvmKSfSUFtMQFMoqDSy.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/1BbQvmKSfSUFtMQFMoqDSy.