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 0x26ab9c735beff1b76d660fb5140edf85bf84099ca5b995390b42eff83dfeb471. 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/40a0daa1-df86-48fe-86ee-e6ba71225435.json and https://artists.proofprofile.net/proofs/artist/40a0daa1-df86-48fe-86ee-e6ba71225435.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x7f0804804257f4f0b798ab9f40e6cb49fd6424b35eeda26b90100077014c8556. 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/7LYO1pNEDzd9ZINS2qHTc1.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/7LYO1pNEDzd9ZINS2qHTc1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1914a99d8f5baa1b6b5a38be8f2dfebb5637103235d9de0052c6709e1a649bc8. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/235skk8OEcXqPNq0sUaXWo.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/235skk8OEcXqPNq0sUaXWo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7900e44f7649d00e2869fe11dd78bda19b64207d9e1333d076bab69b6a46c2b. 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/7LFTJaR1vwfblKPGGZ67gw.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/7LFTJaR1vwfblKPGGZ67gw.
{"copyright_id":"0x87207fc5579fdf773ba13b88c4cffaabad98dabe10fed469fa75d6cceb9e9193","isrc":"US3Z40407851","name":"Cadena De Amor","registered_at":"2026-06-28T23:07:27Z","spotify_id":"41kI3p0Aer7DpOHn0kT1gf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87207fc5579fdf773ba13b88c4cffaabad98dabe10fed469fa75d6cceb9e9193. 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/41kI3p0Aer7DpOHn0kT1gf.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/41kI3p0Aer7DpOHn0kT1gf.
{"copyright_id":"0xf38e5b267ffb6aa640bd5cc03dd89d3c48a61ccfddb7871ebace6d672b615c88","isrc":"US83W0900013","name":"Mary es Mi Amor","registered_at":"2026-06-28T23:19:03Z","spotify_id":"6u3UNzSKpowEYU1N9I7xpX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf38e5b267ffb6aa640bd5cc03dd89d3c48a61ccfddb7871ebace6d672b615c88. 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/6u3UNzSKpowEYU1N9I7xpX.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/6u3UNzSKpowEYU1N9I7xpX.
A Dormir Juntitos - Liz featuring Eddy Herrera
Dónde Esta Corazón / Mi Debilidad /Es Mejor Morir, Morir / Entre Tu Amor y Mi Amor
{"copyright_id":"0xa3361edf68e3e38b5e0a976ff63102226b5a544ea1f7f496d238f1791e5b8f1d","isrc":"US3Z41700463","name":"Dónde Esta Corazón / Mi Debilidad /Es Mejor Morir, Morir / Entre Tu Amor y Mi Amor","registered_at":"2026-06-09T16:10:41Z","spotify_id":"2JSjsBIR8r0w6sq8159VXK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3361edf68e3e38b5e0a976ff63102226b5a544ea1f7f496d238f1791e5b8f1d. 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/2JSjsBIR8r0w6sq8159VXK.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/2JSjsBIR8r0w6sq8159VXK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7900e44f7649d00e2869fe11dd78bda19b64207d9e1333d076bab69b6a46c2b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/150F1f6J1UKi4LijGEkykt.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/150F1f6J1UKi4LijGEkykt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1914a99d8f5baa1b6b5a38be8f2dfebb5637103235d9de0052c6709e1a649bc8. 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/610ATKLeLggvUvWcJ576wu.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/610ATKLeLggvUvWcJ576wu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e168237d7b522f34c5355e30295657d204e16e79a48acd849e2cc904ea4e3ac. 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/1JuVdA20hFGqSs07owrgMb.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/1JuVdA20hFGqSs07owrgMb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e168237d7b522f34c5355e30295657d204e16e79a48acd849e2cc904ea4e3ac. 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/3YE1ctuismzQi5kDIhaA5w.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/3YE1ctuismzQi5kDIhaA5w.
DEMASIADO ROMÁNTICA - Version Tipico En Vivo
Si Dios Me Quita La Vida - Pistas Originales
He Sabido Que Te Amaba - Pistas Originales
En Mi Viejo San Juan - Pistas Originales
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x074546a161f12e0ed4f6f60b915be3336023e0989460a0b1e744ab571588dbb2. 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/29QkpKsdxiChq3xsmu5VDG.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/29QkpKsdxiChq3xsmu5VDG.
{"copyright_id":"0x50b42158672b88d2fe82989bfb5eb23d9b0f374ee7c5b4a76c26cbda6e83a2db","isrc":"US3Z40411013","name":"Si Tu Amor No Vuelve","registered_at":"2026-06-10T15:03:21Z","spotify_id":"3n93dX4Qv0Rul9QLyiJZ2e","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50b42158672b88d2fe82989bfb5eb23d9b0f374ee7c5b4a76c26cbda6e83a2db. 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/3n93dX4Qv0Rul9QLyiJZ2e.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/3n93dX4Qv0Rul9QLyiJZ2e.
{"copyright_id":"0x1ffd02d5404fe507a97004fae5227e4dd13ef16ca5169c73d6f8e1f643341f42","isrc":"USA2P2159697","name":"Dominicano Alza La Mano","registered_at":"2026-06-06T09:18:07Z","spotify_id":"6GNmej7DsfLME3FIWwbaT0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ffd02d5404fe507a97004fae5227e4dd13ef16ca5169c73d6f8e1f643341f42. 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/6GNmej7DsfLME3FIWwbaT0.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/6GNmej7DsfLME3FIWwbaT0.
La Reunión 5 : La Bailadora / El Amor Más Grande del Planeta / Si Tu Te Vas / Tu Hombre Soy Yo / Un Idiota / Voy a Beber / Nuestro Amor / Mi Celosa Hermosa / Tú Eres Ajena / Borracha - En Viv
La Reunión 5 : La Bailadora / El Amor Más Grande del Planeta / Si Tu Te Vas / Tu Hombre Soy Yo / Un Idiota / Voy a Beber / Nuestro Amor / Mi Celosa Hermosa / Tú Eres Ajena / Borracha (En Vivo
{"copyright_id":"0x4e6d2de278defb1d3c2f2484f4f684d2408a88c912f88fd83e3a1faf64236feb","isrc":"US3Z41500529","name":"La Ultima Vez","registered_at":"2026-06-22T22:47:06Z","spotify_id":"1vRs7MrtGhrujRvuuTH7zm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6d2de278defb1d3c2f2484f4f684d2408a88c912f88fd83e3a1faf64236feb. 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/1vRs7MrtGhrujRvuuTH7zm.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/1vRs7MrtGhrujRvuuTH7zm.
{"copyright_id":"0xec6bc207bdef5a7d960bb8e3a140397deac49595582b1a41fe12bef7e041ae3b","isrc":"US3Z40407563","name":"La Ultima Vez","registered_at":"2026-06-04T11:56:38Z","spotify_id":"1SUxJZSudxSyzbRvCWKkrp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6bc207bdef5a7d960bb8e3a140397deac49595582b1a41fe12bef7e041ae3b. 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/1SUxJZSudxSyzbRvCWKkrp.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/1SUxJZSudxSyzbRvCWKkrp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2d0c7277f8fc2434854204aa60f0e6aa54bc132423c7fbb2790b0e9e9c0949e. 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/0TF73MYFcOCIS4LXpCPM2G.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/0TF73MYFcOCIS4LXpCPM2G.
Mix Eddy Herrera: Carolina / Pégame Tu Vicio / El Idiota / Para Siémpre / Demasiado Niña / A Dormir Juntitos / Tú Eres Ajena / Si Yo Se Lo Pido (En Vivo)
{"copyright_id":"0x28e5d5ab8dfc4333faa703c99f454ac42865a55b6e562e3e80a25a0950a69223","isrc":"USHM92208826","name":"Mix Eddy Herrera: Carolina / Pégame Tu Vicio / El Idiota / Para Siémpre / Demasiado Niña / A Dormir Juntitos / Tú Eres Ajena / Si Yo Se Lo Pido (En Vivo)","registered_at":"2026-06-06T01:53:30Z","spotify_id":"0pTn7vo4lTPZSeyoltJvBZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28e5d5ab8dfc4333faa703c99f454ac42865a55b6e562e3e80a25a0950a69223. 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/0pTn7vo4lTPZSeyoltJvBZ.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/0pTn7vo4lTPZSeyoltJvBZ.
{"copyright_id":"0x28e5d5ab8dfc4333faa703c99f454ac42865a55b6e562e3e80a25a0950a69223","isrc":"USHM92208826","name":"Mix Eddy Herrera: Carolina / Pégame Tu Vicio / El Idiota / Para Siémpre / Demasiado Niña / A Dormir Juntitos / Tú Eres Ajena / Si Yo Se Lo Pido (En Vivo)","registered_at":"2026-06-06T01:53:30Z","spotify_id":"5KgPFgH2fr3d0jQZ6tmYI1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28e5d5ab8dfc4333faa703c99f454ac42865a55b6e562e3e80a25a0950a69223. 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/5KgPFgH2fr3d0jQZ6tmYI1.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/5KgPFgH2fr3d0jQZ6tmYI1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa662a6286850224519caad2b4b4181233c99e32580ea101458add2724f93f502. 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/3KuN6dsNCkJ5NdnYucp3il.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/3KuN6dsNCkJ5NdnYucp3il.
Summer Latin Dance Party: La Vaca/Tra Tra/Saxo Fun/Vale La Pena/A Palo Limpio/Caballo Viejo/Intentalo Tu/Carolina/Latinos/El Bocon/ Pegate - Bonus Mix
{"copyright_id":"0xbe41cc9b44a3f3dd24f09737db2dd85e6020a5949c816dde174ead1b0fb743e6","isrc":"US83W0900001","name":"Lo Perdi Todo - Album Versión","registered_at":"2026-06-10T02:27:25Z","spotify_id":"7hShcZX7OPWzfHph4DLgDo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe41cc9b44a3f3dd24f09737db2dd85e6020a5949c816dde174ead1b0fb743e6. 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/7hShcZX7OPWzfHph4DLgDo.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/7hShcZX7OPWzfHph4DLgDo.