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 0xc03af8e0e6ead3210f80983cd92f17388781494d5962a9152429b343485f1502. 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/b4428f4a-8a5c-4aa8-a20e-513e945846d0.json and https://artists.proofprofile.net/proofs/artist/b4428f4a-8a5c-4aa8-a20e-513e945846d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xa08a6c60f4a2bf8c8145c0e67cc5f2f588f5a68348f4ce07f5871af19e839b2e","isrc":"TCACJ1595399","name":"Joyas De Un Maletín","registered_at":"2026-06-23T16:55:18Z","spotify_id":"5MVoJzwY8d0RxcrFfR36sv","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 0xa08a6c60f4a2bf8c8145c0e67cc5f2f588f5a68348f4ce07f5871af19e839b2e. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5MVoJzwY8d0RxcrFfR36sv.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/5MVoJzwY8d0RxcrFfR36sv.
{"copyright_id":"0xc37664cae69575bff405c1e7e3e8496178d0eff9818c43363f5df474ec78105a","isrc":"TCACJ1595423","name":"Mérito Propio (feat. Massibo & Bascur)","registered_at":"2026-06-22T22:32:34Z","spotify_id":"6TLvieXwEYtAITHYu6iBzO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37664cae69575bff405c1e7e3e8496178d0eff9818c43363f5df474ec78105a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6TLvieXwEYtAITHYu6iBzO.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/6TLvieXwEYtAITHYu6iBzO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef23ef9354ac6266c60e612c3b1cd876a3aa4c25541d178edb211733f8fcce20. 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/2ZjDsj13rqtOSbWfipDpxR.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/2ZjDsj13rqtOSbWfipDpxR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63efd195681a8e667d1e2035a72d6e8e55c536da5a9133ff07f6955d6f3d43d2. 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/2Gx4pqjg1TGDJPB0sArMee.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/2Gx4pqjg1TGDJPB0sArMee.
{"copyright_id":"0xa08a6c60f4a2bf8c8145c0e67cc5f2f588f5a68348f4ce07f5871af19e839b2e","isrc":"TCACJ1595399","name":"Joyas De Un Maletín","registered_at":"2026-06-23T16:55:18Z","spotify_id":"0bUMUrReIaFaiEoHfV9tLE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa08a6c60f4a2bf8c8145c0e67cc5f2f588f5a68348f4ce07f5871af19e839b2e. 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/0bUMUrReIaFaiEoHfV9tLE.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/0bUMUrReIaFaiEoHfV9tLE.
{"copyright_id":"0xd76b8f4d35b8b872e4c22e37eb6c4ee9dc5d7761b4d889ccc57bf61a4410d688","isrc":"TCACJ1595404","name":"Nacidos Para Esto","registered_at":"2026-06-08T21:06:30Z","spotify_id":"6kCRKgL82K5pBrnPzMSadQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76b8f4d35b8b872e4c22e37eb6c4ee9dc5d7761b4d889ccc57bf61a4410d688. 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/6kCRKgL82K5pBrnPzMSadQ.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/6kCRKgL82K5pBrnPzMSadQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b3ae8957aacc1b0ebc9b23416d3e8a9dbad822202cd81f7b853cf234a5744a5. 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/4MD9R6ylnWXLPH6wpo3bOx.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/4MD9R6ylnWXLPH6wpo3bOx.
{"copyright_id":"0xc37664cae69575bff405c1e7e3e8496178d0eff9818c43363f5df474ec78105a","isrc":"TCACJ1595423","name":"Mérito Propio","registered_at":"2026-06-22T22:32:34Z","spotify_id":"6LpUMRKoaLyssacaGuN6dH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37664cae69575bff405c1e7e3e8496178d0eff9818c43363f5df474ec78105a. 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/6LpUMRKoaLyssacaGuN6dH.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/6LpUMRKoaLyssacaGuN6dH.
{"copyright_id":"0x9f821ddb7366fe6fb77ac38a08aaf399c1fdfc91243c7a9f4d52322bf35433f5","isrc":"TCACJ1595427","name":"Vete Ya","registered_at":"2026-06-05T13:04:38Z","spotify_id":"0OZRdKb6FcGmhT1vNBEveJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f821ddb7366fe6fb77ac38a08aaf399c1fdfc91243c7a9f4d52322bf35433f5. 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/0OZRdKb6FcGmhT1vNBEveJ.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/0OZRdKb6FcGmhT1vNBEveJ.
{"copyright_id":"0xc77b5fe96d4511952fb6178ee1bc77d0edebf6137016180531eb2d38a05bfc0d","isrc":"TCACJ1595431","name":"Xplicito Rap","registered_at":"2026-06-06T17:56:51Z","spotify_id":"6NddP2zfdngcV0qmIwqTa7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc77b5fe96d4511952fb6178ee1bc77d0edebf6137016180531eb2d38a05bfc0d. 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/6NddP2zfdngcV0qmIwqTa7.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/6NddP2zfdngcV0qmIwqTa7.
Día De Entrenamiento (feat. Liricistas, Dous MC & El Bicers)
Nada Que Avergonzarme (feat. El Rapsofonista)
En El Estudio (Interludio feat. Creabeatbox)
El Peso En Mi Espalda (feat. Salvaje Decibel)