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 0xc3af1d70c6994d3306b0a35cecce88573707b1f5bb7d91407ad21cc9ee0555c5. 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/1669d952-3e7b-4ea7-913c-cbf5fd05bfb6.json and https://artists.proofprofile.net/proofs/artist/1669d952-3e7b-4ea7-913c-cbf5fd05bfb6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x603bb9330de768eca4ccc7b82bb65e0c6fe78d0e06c0271fd15ac4f3036eb4c4","isrc":"GX8LD2222082","name":"Tu Gato Bellaco","registered_at":"2026-06-01T21:45:50Z","spotify_id":"1xT4bubiOeZlqAXTfwukrU","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 0x603bb9330de768eca4ccc7b82bb65e0c6fe78d0e06c0271fd15ac4f3036eb4c4. 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/1xT4bubiOeZlqAXTfwukrU.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/1xT4bubiOeZlqAXTfwukrU.
{"copyright_id":"0x603bb9330de768eca4ccc7b82bb65e0c6fe78d0e06c0271fd15ac4f3036eb4c4","isrc":"GX8LD2222082","name":"Tu Gato Bellaco","registered_at":"2026-06-01T21:45:50Z","spotify_id":"1KSt0VowuEumrUmKOiVcqL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x603bb9330de768eca4ccc7b82bb65e0c6fe78d0e06c0271fd15ac4f3036eb4c4. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1KSt0VowuEumrUmKOiVcqL.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/1KSt0VowuEumrUmKOiVcqL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1371cee3683659da96a19657b30f029c7250d993a74bc7c935323c72464b5e. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ALHmzVvvo2Cw9QJkI6huN.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/5ALHmzVvvo2Cw9QJkI6huN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1371cee3683659da96a19657b30f029c7250d993a74bc7c935323c72464b5e. 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/3gMepyaMZLKiOXIaRU2M90.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/3gMepyaMZLKiOXIaRU2M90.
{"copyright_id":"0xde7c2a09a02ad2ab2a8ce29bbca7baf254b9829ebd9fb36b5b17781e709892a4","isrc":"GX8KD2229628","name":"Tu Gato Bellaco - Remix","registered_at":"2026-06-22T18:14:37Z","spotify_id":"6eB74UiUNkI7JJBhhr3Y6C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde7c2a09a02ad2ab2a8ce29bbca7baf254b9829ebd9fb36b5b17781e709892a4. 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/6eB74UiUNkI7JJBhhr3Y6C.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/6eB74UiUNkI7JJBhhr3Y6C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf05716a6ca65e06db5b3c4ae994ccc26e65a06f709378d5ab34d88e869a7eaf7. 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/2KPBYw7bBWd4u6wbDj6s6M.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/2KPBYw7bBWd4u6wbDj6s6M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd17ccaec751370f36c79094c28df98e981d2e92803ed8dd224fd39bfd3a3afc. 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/5PoniNszhGO8dTg2n7sMKQ.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/5PoniNszhGO8dTg2n7sMKQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x485c2b25db3ec95565268a53d5e7f62fa25aeabab46f239d98095d17b0662256. 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/7jGHlU8vUFOsjY17N1lWi0.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/7jGHlU8vUFOsjY17N1lWi0.
Despidiendo la Primavera Con Música Latina
{"copyright_id":"0x72a9d8a0538f2004ee17f9d7d75fb13e5f56404b1d1ffdaf6492c0e1175dc8d5","isrc":"BK4DA2311760","name":"UY (feat. Milo Mae)","registered_at":"2026-06-06T06:09:11Z","spotify_id":"6cFVj4HsrKwq8slnigLjDy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72a9d8a0538f2004ee17f9d7d75fb13e5f56404b1d1ffdaf6492c0e1175dc8d5. 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/6cFVj4HsrKwq8slnigLjDy.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/6cFVj4HsrKwq8slnigLjDy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd654d924c49189cda8285a210465ff91cfcdbf0d04a9c9f86f9751f292a304b9. 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/1aCz9S6pYSa4QYBUf5uoSU.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/1aCz9S6pYSa4QYBUf5uoSU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec14fdb0553c589d8c87eda074a95362625549ebe010d0e0dedfbf69332d961. 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/10s4Z3isPDXvunv7kcyoTH.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/10s4Z3isPDXvunv7kcyoTH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec14fdb0553c589d8c87eda074a95362625549ebe010d0e0dedfbf69332d961. 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/47A67KbRsZsTElAAwNbslL.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/47A67KbRsZsTElAAwNbslL.
{"copyright_id":"0x6e5f5eaa27c0ba3402f2dd72332a27e011a3dd2f5c3e7b36dc3fa44dd15677ef","isrc":"QZNJX2164914","name":"Reggaeton 2005","registered_at":"2026-06-23T13:38:30Z","spotify_id":"3ixZ8piwZX8EJL5FQXNziO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e5f5eaa27c0ba3402f2dd72332a27e011a3dd2f5c3e7b36dc3fa44dd15677ef. 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/3ixZ8piwZX8EJL5FQXNziO.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/3ixZ8piwZX8EJL5FQXNziO.
LA REINA DEL REGGAETON MEXICANO: TOMO I: La chica de las poesías
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe44653402e029067ec5df9764e4c541079dc0b17fbdce1b07a1e91c91b78d9ae. 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/57FaCXGLXtL9ndihuwZHRf.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/57FaCXGLXtL9ndihuwZHRf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23e685c82c7b5c0effe7a002c2400ddd5cff77ce4aa02f56abb442399b083099. 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/49t9hK9Ym4Ph82jDcKpzX1.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/49t9hK9Ym4Ph82jDcKpzX1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x015f045eaa0fc40bf1945ee4d2837663ab9262031eb819e3ed34f47197818b75. 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/49TqxqpE0S9MuPXNJOqyti.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/49TqxqpE0S9MuPXNJOqyti.