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 0xdd60754abbc7bc263ad1a94c102a671a1c575163d9563f8ad2bf823dc3d12f38. 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/f9111402-eb65-4c71-9060-7450d1589f04.json and https://artists.proofprofile.net/proofs/artist/f9111402-eb65-4c71-9060-7450d1589f04.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x9e19867dad2ee36ce38d6ae8b36db775a4543474f123c9fca8c07df75a9d5c7a","isrc":"ES71G2335666","name":"El Borrachito","registered_at":"2026-06-25T03:49:39Z","spotify_id":"5MSO2EzXEUwgJh57a7cjbi","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 0x9e19867dad2ee36ce38d6ae8b36db775a4543474f123c9fca8c07df75a9d5c7a. 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/5MSO2EzXEUwgJh57a7cjbi.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/5MSO2EzXEUwgJh57a7cjbi.
Los Gatos Negros (Con Sabor Tropical - 2008)
{"copyright_id":"0x9420aad007f23a9a7fa0cd324903db1031011a42202eabebf26faadb99f57490","isrc":"GX8LE2309254","name":"Dejé de ser feliz por ella","registered_at":"2026-06-28T00:44:51Z","spotify_id":"1rSNLUWFS2ZLdmc5ufvVco","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9420aad007f23a9a7fa0cd324903db1031011a42202eabebf26faadb99f57490. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1rSNLUWFS2ZLdmc5ufvVco.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/1rSNLUWFS2ZLdmc5ufvVco.
{"copyright_id":"0xcf61bca1f1b25a1e3034fe79d38ef5dcf9cd62efe1f6f158b71bff9d2ece7404","isrc":"GX8LE2341830","name":"La sureñita","registered_at":"2026-06-28T01:05:05Z","spotify_id":"2CVEpRwfDCvCdXePI6cIDP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf61bca1f1b25a1e3034fe79d38ef5dcf9cd62efe1f6f158b71bff9d2ece7404. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2CVEpRwfDCvCdXePI6cIDP.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/2CVEpRwfDCvCdXePI6cIDP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x046f7e3c225a5eb59387437b38f27655dd97f4501e5bc383e6e2d15cf1f95802. 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/6OxxUv1cRnKCtknhmy9jGy.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/6OxxUv1cRnKCtknhmy9jGy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98c4cb6f33822b2ad0a335a56663838bc06f8f62521a4b73ad35ecf5f71189f1. 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/6nea7CbjMeP17QT0uWYJBK.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/6nea7CbjMeP17QT0uWYJBK.
{"copyright_id":"0xcf75e687c7cadbd73a8c397d07816fe794e82b3f7186c48cec39ab85eb31607a","isrc":"GX8LE2391915","name":"La coloreteada","registered_at":"2026-06-22T22:30:14Z","spotify_id":"5xj2J0EOuXwJiA7c7qdCnU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf75e687c7cadbd73a8c397d07816fe794e82b3f7186c48cec39ab85eb31607a. 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/5xj2J0EOuXwJiA7c7qdCnU.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/5xj2J0EOuXwJiA7c7qdCnU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01dba2190e8420647e91cda986206193d9dd17450d792f22e9b9d97d5b78e50. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7CZbRj9FIFE3hqsjYd27CN.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/7CZbRj9FIFE3hqsjYd27CN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x037d8644062b7735a7c600d040d9e37718bca4f1e9e416dc04e23103d9d242ce. 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/3TyrVRgEkwQee9RbXuP2XF.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/3TyrVRgEkwQee9RbXuP2XF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4106fb91add830266447a0001c825903e8afc0935dd1b5e04166080b3b6d3785. 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/4wtwS7vLctHMyI9GcQWWGf.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/4wtwS7vLctHMyI9GcQWWGf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a45d2ccfebd14a9f50d4785a1a9b0339063ecdcc1eaa26bf6aa5616ece26a74. 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/5BTcfONFVqVJyPZ9w5tmdX.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/5BTcfONFVqVJyPZ9w5tmdX.
{"copyright_id":"0xf24296d58f51baca612e386ff1b7f0fb2dc8bf030dbb1f3452bcb4b6fc6fccf8","isrc":"GX8LE2397282","name":"La mucura","registered_at":"2026-06-22T15:25:24Z","spotify_id":"6ELjFrByUZHCfYHd5TAvBI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf24296d58f51baca612e386ff1b7f0fb2dc8bf030dbb1f3452bcb4b6fc6fccf8. 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/6ELjFrByUZHCfYHd5TAvBI.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/6ELjFrByUZHCfYHd5TAvBI.
Y Volveré / Murió la Flor /Como Quisiera Decirte - Mix los Angeles Negros
{"copyright_id":"0x03f18f9e447edf024bcf79d970d1d10f35e6947d67ef3638ef4b8d2bd815606c","isrc":"CLDG21400887","name":"Te Lavaste la Cara y el Mono No","registered_at":"2026-06-06T20:49:32Z","spotify_id":"4NSeSrdpLhJd0Q6RL4fVn8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03f18f9e447edf024bcf79d970d1d10f35e6947d67ef3638ef4b8d2bd815606c. 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/4NSeSrdpLhJd0Q6RL4fVn8.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/4NSeSrdpLhJd0Q6RL4fVn8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x474bc0474323f27f58df4d23682f486bf656651b1153058656deaecb22ee1f6f. 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/5QEvWvmJ8G2Gda219wCY9x.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/5QEvWvmJ8G2Gda219wCY9x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80326259b1d02d27b550deaaa21cf6d2b46d4a7605c23fa5bcde09b8373f6e82. 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/3q4j7x7w8EXIBZeK9WodSf.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/3q4j7x7w8EXIBZeK9WodSf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e56d837e73a77544ef9102545d06d3a8215db83801c63aaa6088ca05a62969. 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/0rRjVISIPhYJL1XHRTf3KL.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/0rRjVISIPhYJL1XHRTf3KL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c8c2488630dd6de22e4f0322bc6238399b9b85bc704b0353ffc838467a5786. 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/37PjIRHMqYbThpLJFS5YH0.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/37PjIRHMqYbThpLJFS5YH0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8323331284ff2a146b384347da47077b5acc82c59a058bec7f9b117964701789. 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/3pAk8bNBYcn6wKigE0mfhY.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/3pAk8bNBYcn6wKigE0mfhY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af140a01087a832ff2941c57c1c257d6a476b7c7cf37a9214ee32f952648f52. 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/2mn6S2nwyeLbytXoImCoO3.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/2mn6S2nwyeLbytXoImCoO3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2040a6581714b2608165ed0c5deb8e346190b3a7efef937f4d0f563358d22f5f. 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/5pWmbTAKyiCWU0P49fAVFq.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/5pWmbTAKyiCWU0P49fAVFq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe71319c0546d967ffa784ec8bf64213d122383d83b01d4168709267b0d1e2a4e. 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/6PsgZD8x23gF1lDbKJza5P.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/6PsgZD8x23gF1lDbKJza5P.
Megamix: al Otro Lado del Portón / la Pareja Ideal / Si Estoy Tomando / Caminamos Juntos
{"copyright_id":"0x43c013b47347af1d341c2b8899f63ea9cd91695607f8d0100a9093deca09f2e9","isrc":"CLDG21400903","name":"Megamix: al Otro Lado del Portón / la Pareja Ideal / Si Estoy Tomando / Caminamos Juntos","registered_at":"2026-06-26T10:16:39Z","spotify_id":"76N0d2UAOjuaD4lo3Jw9wr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43c013b47347af1d341c2b8899f63ea9cd91695607f8d0100a9093deca09f2e9. 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/76N0d2UAOjuaD4lo3Jw9wr.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/76N0d2UAOjuaD4lo3Jw9wr.
{"copyright_id":"0xd6a35dfa1d73c59d37438ac79c835202ea3f32f7726694c131f4c7e3ea3f971b","isrc":"ES71G2102586","name":"Este Pedacito Es Tuyo","registered_at":"2026-06-11T00:43:19Z","spotify_id":"6NVft4BL6iXTeZVtVLnUBJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6a35dfa1d73c59d37438ac79c835202ea3f32f7726694c131f4c7e3ea3f971b. 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/6NVft4BL6iXTeZVtVLnUBJ.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/6NVft4BL6iXTeZVtVLnUBJ.
{"copyright_id":"0xa1f3df763fbfe5d76348ca04c0b5ab43ecd712a66a783e51d820b5616062b449","isrc":"ES71G2102592","name":"La Razón de Mi Ser","registered_at":"2026-06-22T15:24:55Z","spotify_id":"4ZnBvYrUFIpNQtcQbDcaSp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1f3df763fbfe5d76348ca04c0b5ab43ecd712a66a783e51d820b5616062b449. 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/4ZnBvYrUFIpNQtcQbDcaSp.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/4ZnBvYrUFIpNQtcQbDcaSp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bbb18b63b83138388700f0b1b9470926c09624c81431878491d30695191fd8d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4khDx4zuAZHSR7UKh4vAFc.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/4khDx4zuAZHSR7UKh4vAFc.
{"copyright_id":"0xaabede5356dd8b26cc9dd7da1c484ca264f6a8ca9fb852ee4d5a4bffc13d7ade","isrc":"ES71G2102594","name":"Casi Perfecto","registered_at":"2026-06-25T03:50:01Z","spotify_id":"6Hl764p02LJHHuvj8Zqzxj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabede5356dd8b26cc9dd7da1c484ca264f6a8ca9fb852ee4d5a4bffc13d7ade. 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/6Hl764p02LJHHuvj8Zqzxj.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/6Hl764p02LJHHuvj8Zqzxj.
{"copyright_id":"0xb6382ea0289edb0d6eecd01a81421e4abccf3a68be6f91f398f45c848c166a88","isrc":"ES71G2102595","name":"Mi Buena Suerte","registered_at":"2026-06-19T21:14:44Z","spotify_id":"7hR9c2EpfQsJoN3wqflWGA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6382ea0289edb0d6eecd01a81421e4abccf3a68be6f91f398f45c848c166a88. 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/7hR9c2EpfQsJoN3wqflWGA.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/7hR9c2EpfQsJoN3wqflWGA.
{"copyright_id":"0x65216aba45d216a9febce1ce251e66afd2d24696d3eabb11c0e2fb09a4ab32ca","isrc":"ES71G2102596","name":"Por una Lágrima","registered_at":"2026-06-25T05:46:39Z","spotify_id":"0SnA0AqWpNb3hemibMvCS2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65216aba45d216a9febce1ce251e66afd2d24696d3eabb11c0e2fb09a4ab32ca. 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/0SnA0AqWpNb3hemibMvCS2.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/0SnA0AqWpNb3hemibMvCS2.
Medley: Traicionera / No me importa tu vida pasada / Cómo dejar de amarte
{"copyright_id":"0x827a3267e20b0b58ba0d8170cefdfff25d25b6b619ef222cc1e26e3caa915e03","isrc":"GXBDS2384328","name":"Se oye un lamento","registered_at":"2026-06-25T03:47:21Z","spotify_id":"4bYZnbPBZnmSZrFvMDz9eY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x827a3267e20b0b58ba0d8170cefdfff25d25b6b619ef222cc1e26e3caa915e03. 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/4bYZnbPBZnmSZrFvMDz9eY.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/4bYZnbPBZnmSZrFvMDz9eY.