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 0xedc35add46a9fd4cadc8285f571bf6dc31109ea7275347c2daa33702dbae4cba. 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/345f5b6c-f29c-456e-bc79-62eecfa2b2a8.json and https://artists.proofprofile.net/proofs/artist/345f5b6c-f29c-456e-bc79-62eecfa2b2a8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Palomas que Andan Volando - Versión Banda
{"copyright_id":"0x01229cf7bb4ff47a83347a9f04aa03c6fa036d3523373eae9d2d2ad43452d71f","isrc":"QZXLZ2312958","name":"Contrato Con la Muerte","registered_at":"2026-06-29T13:07:27Z","spotify_id":"6vZf4DNd369gYYlLW5rsEN","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 0x01229cf7bb4ff47a83347a9f04aa03c6fa036d3523373eae9d2d2ad43452d71f. 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/6vZf4DNd369gYYlLW5rsEN.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/6vZf4DNd369gYYlLW5rsEN.
{"copyright_id":"0xf70b4cff6523fcdf7ff3edaa93ba2fd72ef4d785d9e3750f700bc1a780bd99dd","isrc":"QM6N21838232","name":"Amorcito Consentido","registered_at":"2026-06-29T13:14:58Z","spotify_id":"1DmVTFmoZ7820bxw8tRiGP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf70b4cff6523fcdf7ff3edaa93ba2fd72ef4d785d9e3750f700bc1a780bd99dd. 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/1DmVTFmoZ7820bxw8tRiGP.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/1DmVTFmoZ7820bxw8tRiGP.
Las 20 Principales de los Alegres de la Sierra
El Verde Pinto (Los Alegres De La Sierra)
Sabiendo Quien Era Yo (Los Alegres De La Sierra)
El Desterrado (Los Alegres De La Sierra)
Mano a Mano, Vol. 7 (Norteñas - 20 Éxitos)
El Rey del Universo (Música de Mi Pueblo)
Los Alegres de la Sierra, Vol. 2 (Leyendas de la Música Popular)
Los Alegres de la Sierra, Vol. 1 (Leyendas de la Música Popular)
Paloma Piquito De Oro (Los Alegres De La Sierra)
Reproches Al Viento (Los Alegres De La Sierra)
{"copyright_id":"0x538b29863fd8b9becf6fb3a4502ee53345acaae3b379f87e24e6d634936c99bc","isrc":"MXUM71802518","name":"Humilde De Abolengo","registered_at":"2026-06-29T13:08:47Z","spotify_id":"3Qme8J8VYKxZ17lerpqbxf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x538b29863fd8b9becf6fb3a4502ee53345acaae3b379f87e24e6d634936c99bc. 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/3Qme8J8VYKxZ17lerpqbxf.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/3Qme8J8VYKxZ17lerpqbxf.
Mi Enemigo el Amor 25 Aniversario (En Vivo)
Mi Enemigo el Amor 25 Aniversario - En Vivo
Si Dios Me Lleva Con El 25 Aniversario (En Vivo)
Si Dios Me Lleva Con El 25 Aniversario - En Vivo
{"copyright_id":"0x66ac86609dec75419f80f50ceb5637ac664eb1685ac8bcf7fa107b4abc812cdd","isrc":"TCAGX2370566","name":"Cuando Abras Los Ojos - En Vivo","registered_at":"2026-06-29T13:13:45Z","spotify_id":"7I3rHhU2QxRA5JE9eyQcne","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ac86609dec75419f80f50ceb5637ac664eb1685ac8bcf7fa107b4abc812cdd. 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/7I3rHhU2QxRA5JE9eyQcne.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/7I3rHhU2QxRA5JE9eyQcne.
Alos Ángeles Del Cielo & Los Tres Amarradores (En Vivo)
Somos Ajenos & Reproches Al Viento (En Vivo)
Suerte He tenido (En Vivo Desde Puerto Vallarta)
El Columpio ( En Vivo Desde Puerto Vallarta )
De Rodillas Te Pido (En Vivo Desde Puerto Vallarta)
Disculpe usted / Y si volviera a nacer - En Vivo
Tragos de amargo licor / A través del vaso / música romántica / No son palabritas / Dos botellas de mezcal / Un día con otro / De rodillas te pido - En Vivo
A cada rato / El Borrego / El muchacho alegre / Dos palomas al volar / Laurita Garza / Libro abierto / La vida mafiosa / El Centenario / El Columpio - En Vivo
La captura del jt / El costal lleno de piedras / Juanita y Miguel / La tragedia de Rosita / Quiero charlar con la muerte / La copa de vino - En Vivo
{"copyright_id":"0xbac0ecf8201587ef6a8f17ff5856220a9cb12030c75258eeab2fe468af994843","isrc":"US3DF2575804","name":"Sonora y Sus Ojos Negros","registered_at":"2026-06-06T21:38:20Z","spotify_id":"4u7VBkbsdzRbVkVEoFGWJj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbac0ecf8201587ef6a8f17ff5856220a9cb12030c75258eeab2fe468af994843. 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/4u7VBkbsdzRbVkVEoFGWJj.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/4u7VBkbsdzRbVkVEoFGWJj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x242f2d5c6d776de3589f5677c2276b17e67494f8b3c0d6b6777392906fb00243. 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/5tBchnR8LLmS8hlkfxBz5q.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/5tBchnR8LLmS8hlkfxBz5q.
{"copyright_id":"0x3941a0270108caf745ae293537075d67fbea29c66b1dd1829e1f7fa75ea97ad6","isrc":"US3DF2575805","name":"El Rengo del Gallo Giró","registered_at":"2026-06-10T15:05:36Z","spotify_id":"5OqkIl30W7DN6EJbLtWmo3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3941a0270108caf745ae293537075d67fbea29c66b1dd1829e1f7fa75ea97ad6. 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/5OqkIl30W7DN6EJbLtWmo3.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/5OqkIl30W7DN6EJbLtWmo3.
{"copyright_id":"0x8e4ed0edf6b2f7a4e3f0f4eee31ec86d798d1d0b4b905c6fe90ea299d765c058","isrc":"US3DF2575806","name":"Suerte He Tenido","registered_at":"2026-06-08T17:26:59Z","spotify_id":"6KZ9JWyPpSo7uSQ5KV9OHM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4ed0edf6b2f7a4e3f0f4eee31ec86d798d1d0b4b905c6fe90ea299d765c058. 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/6KZ9JWyPpSo7uSQ5KV9OHM.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/6KZ9JWyPpSo7uSQ5KV9OHM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8390db61e90048ba2fd1c7c35a8a29c938b3c59ce1019d385ca9598c40b9378. 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/75sN0SVgrfUbB7OgduAq6M.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/75sN0SVgrfUbB7OgduAq6M.
{"copyright_id":"0x8aac4bbea81bd479ba99c814fbced3157b5a3fa5b68a22282b22140bda79146f","isrc":"US3DF2575802","name":"Dos Botellas De Mezcal","registered_at":"2026-06-10T00:46:04Z","spotify_id":"2TI9V3Sbawof9tUmdAmb2G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aac4bbea81bd479ba99c814fbced3157b5a3fa5b68a22282b22140bda79146f. 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/2TI9V3Sbawof9tUmdAmb2G.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/2TI9V3Sbawof9tUmdAmb2G.
{"copyright_id":"0xb3a7bc1fb6f24fd2ffd5e7afea668eeee4d2476fe9249e05f5e9e10ea24aa32c","isrc":"US3DF2575812","name":"Un Puño de Tierra","registered_at":"2026-06-10T14:11:21Z","spotify_id":"4vWRBUMvFam8vB4TYRLW2X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3a7bc1fb6f24fd2ffd5e7afea668eeee4d2476fe9249e05f5e9e10ea24aa32c. 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/4vWRBUMvFam8vB4TYRLW2X.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/4vWRBUMvFam8vB4TYRLW2X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1feda1297c7e5461113f19b1c0d8cd77dafbe911573b8498a804ec9590fd377. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:53:01Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/23U5zeA6MaerAsiPQyWLLT.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/23U5zeA6MaerAsiPQyWLLT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x158efdfc58e05001102a7b437ed1c846132ec6f06e113bb52f97f34226236e00. 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/6R34hzYYvvz5vMBlelXYZY.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/6R34hzYYvvz5vMBlelXYZY.
{"copyright_id":"0xfd2d6d69acbffa80620ed8ac9ab3c5a15f29cfa670d759e18f8885780b6a202f","isrc":"US3DF2575810","name":"Cuanto Me Gusta Este Rancho","registered_at":"2026-06-11T02:44:56Z","spotify_id":"5cw9ERTaDemYaXC05x7ufP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd2d6d69acbffa80620ed8ac9ab3c5a15f29cfa670d759e18f8885780b6a202f. 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/5cw9ERTaDemYaXC05x7ufP.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/5cw9ERTaDemYaXC05x7ufP.
{"copyright_id":"0x5d427eed632ddafac32c3806e21b31443b8518238b6da34bcb68f101e5e01e03","isrc":"US3DF2575809","name":"Cruzando Cerros Y Arrollos","registered_at":"2026-06-18T11:18:20Z","spotify_id":"0tfwl12U6Hig8dj2ZMu5VK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d427eed632ddafac32c3806e21b31443b8518238b6da34bcb68f101e5e01e03. 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/0tfwl12U6Hig8dj2ZMu5VK.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/0tfwl12U6Hig8dj2ZMu5VK.