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 0xe3daae0735980b7ba39dc8d3c340c3c92e978f42d4b87056b031a15841a048bb. 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/8c0122c0-875f-4eaf-a8ca-1b641dcb4ab9.json and https://artists.proofprofile.net/proofs/artist/8c0122c0-875f-4eaf-a8ca-1b641dcb4ab9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x30c3baf0e70d7d6a4eace0033538e7107776fe7888f45e0f28bee079631e9dce","isrc":"ES5630700808","name":"Azúcar, Menta Y Canela","registered_at":"2026-06-29T06:24:43Z","spotify_id":"5w9J3UYl0VdapjYD0ZniDc","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 0x30c3baf0e70d7d6a4eace0033538e7107776fe7888f45e0f28bee079631e9dce. 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/5w9J3UYl0VdapjYD0ZniDc.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/5w9J3UYl0VdapjYD0ZniDc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ddf2453f8735415a9e99267323f9a755680a8badf27021b966048a8e33dd357. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32UujJ5Koje6OBstz7WN0O.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/32UujJ5Koje6OBstz7WN0O.
{"copyright_id":"0x80e4613e914cd21d4c13da9306003b02a23f29d2d04a3f7d56bc81bec821fae7","isrc":"ES5631000152","name":"A las Claras Del Dia Fandango","registered_at":"2026-06-25T22:59:15Z","spotify_id":"3mRDY9TQbKTl1xqQ49mjiq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80e4613e914cd21d4c13da9306003b02a23f29d2d04a3f7d56bc81bec821fae7. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3mRDY9TQbKTl1xqQ49mjiq.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/3mRDY9TQbKTl1xqQ49mjiq.
若い フラメンコ歌手 本格的なスペインのフラメンコ
Le Pregunte Quien Era Fandangos Flamenco
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2096a74fed8a13199d9e5226bad2fb3213f91d3b7f52e3cfa84d05f6f7bb8916. 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/2yumiFzkG8fnOAVZjh5H82.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/2yumiFzkG8fnOAVZjh5H82.
{"copyright_id":"0x65b24a8d6b6d7d924c3d56e298f73ab2aad8b1b3471c30648da6c5c308cbe9d3","isrc":"ES5631204480","name":"A Quién Le Voy a Contar Mis Penas","registered_at":"2026-06-04T09:49:01Z","spotify_id":"3J62MzwDw5MdigzMJAXryf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b24a8d6b6d7d924c3d56e298f73ab2aad8b1b3471c30648da6c5c308cbe9d3. 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/3J62MzwDw5MdigzMJAXryf.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/3J62MzwDw5MdigzMJAXryf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1b63161e88f3b375e855a2218a8764f49616298558c6b046c5890be01a7edcc. 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/3j2U5cEpNFdesvExo86ec3.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/3j2U5cEpNFdesvExo86ec3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31beea6f408ff41a7ce8cb3f2fee5c4c3b41925ba76cd72c41468d66ac385f0a. 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/5dAYXN6W8cz9HZz7kbgkUI.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/5dAYXN6W8cz9HZz7kbgkUI.
{"copyright_id":"0xeb25488466be5dd27ec0c165afdfbc547adb8c81821b12fc5c3865ba184c26c0","isrc":"ES5631204479","name":"Te Voy a Querer Toda la Vida (Alegrias)","registered_at":"2026-06-07T07:58:59Z","spotify_id":"1kFLrwVFt2WnDwyKuGMEWF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb25488466be5dd27ec0c165afdfbc547adb8c81821b12fc5c3865ba184c26c0. 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/1kFLrwVFt2WnDwyKuGMEWF.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/1kFLrwVFt2WnDwyKuGMEWF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca749950f24d5f6abca7e2358c17cd974b1b009f91c0152288b540a501a1d8b5. 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/5jrwL9RZT8xNv2OGwTEJMs.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/5jrwL9RZT8xNv2OGwTEJMs.
{"copyright_id":"0x0bea4d68de775fef8ebb09daee6955b3a549e5930b792de52ea5954530ba744c","isrc":"ES5631204474","name":"Rumba del Canelón","registered_at":"2026-06-10T04:53:38Z","spotify_id":"0iBQGzRb2sRV9bpcvvcyJI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bea4d68de775fef8ebb09daee6955b3a549e5930b792de52ea5954530ba744c. 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/0iBQGzRb2sRV9bpcvvcyJI.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/0iBQGzRb2sRV9bpcvvcyJI.
{"copyright_id":"0xcd68fca6aa98e62af2e8bfe5fde3f9e9c875cd78ed284353e9b91415fb2f8e0d","isrc":"ES5631204481","name":"Como Salta la Espina (Buleria)","registered_at":"2026-06-11T13:29:00Z","spotify_id":"3fSx1kxMK7PdjEit3VRoGj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd68fca6aa98e62af2e8bfe5fde3f9e9c875cd78ed284353e9b91415fb2f8e0d. 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/3fSx1kxMK7PdjEit3VRoGj.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/3fSx1kxMK7PdjEit3VRoGj.
{"copyright_id":"0xd1eb58ad321f618e31b5b5a6a7c730e8e7522a197700c17b60eb9fabfb53f800","isrc":"ES5631204476","name":"Entre Bulerías y Tangos","registered_at":"2026-06-10T04:49:30Z","spotify_id":"7CC8jjQuE4J4d7HBN1IpXe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1eb58ad321f618e31b5b5a6a7c730e8e7522a197700c17b60eb9fabfb53f800. 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/7CC8jjQuE4J4d7HBN1IpXe.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/7CC8jjQuE4J4d7HBN1IpXe.
{"copyright_id":"0x51a03ef5d84bcfd21acb5007460a38e85ef9f9dd2c86cd4e4660dbf94c261fee","isrc":"ES5631204477","name":"Los Tangos y las Rumbas","registered_at":"2026-06-07T07:59:31Z","spotify_id":"1OC95Y8qNTGhTPCB89HxNQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a03ef5d84bcfd21acb5007460a38e85ef9f9dd2c86cd4e4660dbf94c261fee. 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/1OC95Y8qNTGhTPCB89HxNQ.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/1OC95Y8qNTGhTPCB89HxNQ.
{"copyright_id":"0xf6c65e31f0125058c339fe99c39b3f5ab470ef8be3cd203b9d2df87c062bc1f9","isrc":"ES5631204472","name":"Ahora Quiero Darte y Ver","registered_at":"2026-06-19T13:04:32Z","spotify_id":"3ZfiopTY3OLlQmsybUqUzH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6c65e31f0125058c339fe99c39b3f5ab470ef8be3cd203b9d2df87c062bc1f9. 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/3ZfiopTY3OLlQmsybUqUzH.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/3ZfiopTY3OLlQmsybUqUzH.
Mis Éxitos, Mi Flamenco. 24 Canciones del Canelita
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbad318f936e375ded1881451f75da0cca46663697eebe91eb9963e418f3a8668. 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/38rrbIhDxT6dKtZCpxKeTK.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/38rrbIhDxT6dKtZCpxKeTK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2096a74fed8a13199d9e5226bad2fb3213f91d3b7f52e3cfa84d05f6f7bb8916. 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/3Y7F9EQoW5KwClOkhkfNQ3.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/3Y7F9EQoW5KwClOkhkfNQ3.
{"copyright_id":"0x65b24a8d6b6d7d924c3d56e298f73ab2aad8b1b3471c30648da6c5c308cbe9d3","isrc":"ES5631204480","name":"A Quién Le Voy a Contar Mis Penas","registered_at":"2026-06-04T09:49:01Z","spotify_id":"151STquvplCZrLYvRyObK8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b24a8d6b6d7d924c3d56e298f73ab2aad8b1b3471c30648da6c5c308cbe9d3. 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/151STquvplCZrLYvRyObK8.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/151STquvplCZrLYvRyObK8.
{"copyright_id":"0xf6c65e31f0125058c339fe99c39b3f5ab470ef8be3cd203b9d2df87c062bc1f9","isrc":"ES5631204472","name":"Ahora Quiero Darte y Ver","registered_at":"2026-06-19T13:04:32Z","spotify_id":"1fW6Q6wj5yfISKsuREs5N3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6c65e31f0125058c339fe99c39b3f5ab470ef8be3cd203b9d2df87c062bc1f9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1fW6Q6wj5yfISKsuREs5N3.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/1fW6Q6wj5yfISKsuREs5N3.
{"copyright_id":"0x80e4613e914cd21d4c13da9306003b02a23f29d2d04a3f7d56bc81bec821fae7","isrc":"ES5631000152","name":"A las Claras del Dia Fandango","registered_at":"2026-06-25T22:59:15Z","spotify_id":"7mJjmms03RMIVprZCHDMYv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80e4613e914cd21d4c13da9306003b02a23f29d2d04a3f7d56bc81bec821fae7. 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/7mJjmms03RMIVprZCHDMYv.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/7mJjmms03RMIVprZCHDMYv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1b63161e88f3b375e855a2218a8764f49616298558c6b046c5890be01a7edcc. 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/2tXZaGZ7QE9lDrUSyOjk3o.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/2tXZaGZ7QE9lDrUSyOjk3o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ddf2453f8735415a9e99267323f9a755680a8badf27021b966048a8e33dd357. 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/3JkplKOYWbURmmQoKQEQWM.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/3JkplKOYWbURmmQoKQEQWM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca749950f24d5f6abca7e2358c17cd974b1b009f91c0152288b540a501a1d8b5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1WglYy3xjcwY9aqflt28wm.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/1WglYy3xjcwY9aqflt28wm.
{"copyright_id":"0xcd68fca6aa98e62af2e8bfe5fde3f9e9c875cd78ed284353e9b91415fb2f8e0d","isrc":"ES5631204481","name":"Como Salta la Espina (Buleria)","registered_at":"2026-06-11T13:29:00Z","spotify_id":"6EgbqTN0Gm5nvno65OoxiK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd68fca6aa98e62af2e8bfe5fde3f9e9c875cd78ed284353e9b91415fb2f8e0d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6EgbqTN0Gm5nvno65OoxiK.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/6EgbqTN0Gm5nvno65OoxiK.
{"copyright_id":"0xdca3c8a94cb9610a700a611c1c8c607c20e594282ce137341b9ac1c41db66345","isrc":"ES5631205251","name":"Estaba Perdido (Versión Con Haze)","registered_at":"2026-06-07T01:25:58Z","spotify_id":"6GmL0VyryJ1yWLoSLSGSxY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdca3c8a94cb9610a700a611c1c8c607c20e594282ce137341b9ac1c41db66345. 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/6GmL0VyryJ1yWLoSLSGSxY.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/6GmL0VyryJ1yWLoSLSGSxY.
{"copyright_id":"0xeb25488466be5dd27ec0c165afdfbc547adb8c81821b12fc5c3865ba184c26c0","isrc":"ES5631204479","name":"Te Voy a Querer Toda la Vida (Alegrias)","registered_at":"2026-06-07T07:58:59Z","spotify_id":"0j6QySNvqT5EDryTEO3rI3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb25488466be5dd27ec0c165afdfbc547adb8c81821b12fc5c3865ba184c26c0. 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/0j6QySNvqT5EDryTEO3rI3.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/0j6QySNvqT5EDryTEO3rI3.
{"copyright_id":"0x02068843d630cf824f4ba4b2505b8a073fa671e63a09874e8d37dcf0bb62c34f","isrc":"ES5631000150","name":"Los Misterios de la Vida Buleria","registered_at":"2026-06-21T04:31:54Z","spotify_id":"2tzvxn4iZwXueKyRsZCC5m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02068843d630cf824f4ba4b2505b8a073fa671e63a09874e8d37dcf0bb62c34f. 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/2tzvxn4iZwXueKyRsZCC5m.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/2tzvxn4iZwXueKyRsZCC5m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5817630d110419cb33d7e779250167eff24640478ce6c1c1dc1b7a670bf0459. 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/5GIrjt3QRusPz9GuGSsmHQ.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/5GIrjt3QRusPz9GuGSsmHQ.
{"copyright_id":"0x51a03ef5d84bcfd21acb5007460a38e85ef9f9dd2c86cd4e4660dbf94c261fee","isrc":"ES5631204477","name":"Los Tangos y las Rumbas","registered_at":"2026-06-07T07:59:31Z","spotify_id":"219LghIoLD5Mw6yOTIh6vR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a03ef5d84bcfd21acb5007460a38e85ef9f9dd2c86cd4e4660dbf94c261fee. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/219LghIoLD5Mw6yOTIh6vR.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/219LghIoLD5Mw6yOTIh6vR.
{"copyright_id":"0x0bea4d68de775fef8ebb09daee6955b3a549e5930b792de52ea5954530ba744c","isrc":"ES5631204474","name":"Rumba del Canelón","registered_at":"2026-06-10T04:53:38Z","spotify_id":"3aFp3YVWLcfzEZX3hf0CI6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bea4d68de775fef8ebb09daee6955b3a549e5930b792de52ea5954530ba744c. 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/3aFp3YVWLcfzEZX3hf0CI6.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/3aFp3YVWLcfzEZX3hf0CI6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89b82460b267741fae75c5d0887ca4edc3ff65af32d3f179b07c5094db805e17. 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/0PEKmXK2SZgkulH3MKKMnN.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/0PEKmXK2SZgkulH3MKKMnN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07e79c88d993fc2d9c3f5c1b336746b6bd31c7d7b8087b01e37b4687ab15b841. 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/2HsqabNzwQDdfKMRb8JETn.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/2HsqabNzwQDdfKMRb8JETn.
28 Canciones. El Boom de la Rumba Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x636a8d15071a4fb5433c875c1f7d8e422c39180d7bb3eed28661fbbf64781209. 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/5RsQwy4ygQpkN6sbcnOHBi.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/5RsQwy4ygQpkN6sbcnOHBi.
{"copyright_id":"0xb8c858c042f9b3aa2fcb65d7be843e6e3b63716aec19e27b6457671cbae3de58","isrc":"ES5022200109","name":"La Culpa (feat. Canelita)","registered_at":"2026-06-04T08:58:21Z","spotify_id":"0v2LBtK5Zk80VxIbVrD9ik","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c858c042f9b3aa2fcb65d7be843e6e3b63716aec19e27b6457671cbae3de58. 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/0v2LBtK5Zk80VxIbVrD9ik.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/0v2LBtK5Zk80VxIbVrD9ik.
30 Canciones. El Boom de la Rumba Vol. 4
Noche de Rumba. La Mejor Música para una Fiesta Rumbera
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3b275c30f798578fdd2b42d2d175da32f2bfbb5330cb9205990e7ada0def049. 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/5AeSrPGs4gAjbi6lAIR9a4.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/5AeSrPGs4gAjbi6lAIR9a4.
{"copyright_id":"0xba105b11fbda42e536cce6b906ccedcf63372414aab45efd8052b1c207476b54","isrc":"ES5701000286","name":"Rap Flamenco","registered_at":"2026-06-04T16:26:21Z","spotify_id":"5AZkTuzwdvnMrD0NqjY0kZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba105b11fbda42e536cce6b906ccedcf63372414aab45efd8052b1c207476b54. 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/5AZkTuzwdvnMrD0NqjY0kZ.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/5AZkTuzwdvnMrD0NqjY0kZ.