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 0xef0041cf8cf082bd067249722819e5deea9d9571f6619df20ac33e39c19ae676. 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/c7ae882d-dc26-4995-a28e-1e80c51c9b2f.json and https://artists.proofprofile.net/proofs/artist/c7ae882d-dc26-4995-a28e-1e80c51c9b2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
El Beso de Carlota / Quinceañera / Colegiala
La Maturranga / Qué Alegría / Llora Llora
Palabra de Hombre / El Dormilón / Águila o Sol
Medley: Mi Primer Amor / Simpática Y Muy Bonita / Morena De 15 Años
Medley: Mi Muñeco Loco / Vuelve Vida mía / Deja Que Se Vaya
Medley: Signo Libra / Princesita Mía / Amor De Primavera / Te Amo Y Te Amaré
En la Misma Plaza / El Cable / El Callao / Maturranga - En Vivo
El Telegrama / Capullito de Rosa / El Ten Ten - En Vivo
Cobarde / De Nuevo Tu / Mujer Ajena - En Vivo
Qué Más Quieres de Mi / Nos Estorbo la Ropa / Que Me Importa - En Vivo
{"copyright_id":"0x12cfaf26412ae7c17fbc0063e55cc6cf99e5904c93129ca684483eeed4f0dfdc","isrc":"QZGLM2059669","name":"Qué Más Quieres de Mi / Nos Estorbo la Ropa / Que Me Importa - En Vivo","registered_at":"2026-06-29T06:33:37Z","spotify_id":"4I7AitNAtozpFYlv2CKeNF","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 0x12cfaf26412ae7c17fbc0063e55cc6cf99e5904c93129ca684483eeed4f0dfdc. 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/4I7AitNAtozpFYlv2CKeNF.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/4I7AitNAtozpFYlv2CKeNF.
Princesita Mía / La Temporera / La Arañita Peludita - En Vivo
El Telegrama / Capullito de Rosas / el Ten Con Ten
Signo Libra / Amor de Primavera / Te Amo y Te Amaré
{"copyright_id":"0xe4d52747aef6dddcd17e43eb8271ad471705bc9060009d40a8a4537ca0e6f764","isrc":"ES71G1847853","name":"El Regreso de Su Amor","registered_at":"2026-06-29T06:32:02Z","spotify_id":"6MLWl3OyBDkoTfhPItE9RN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4d52747aef6dddcd17e43eb8271ad471705bc9060009d40a8a4537ca0e6f764. 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/6MLWl3OyBDkoTfhPItE9RN.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/6MLWl3OyBDkoTfhPItE9RN.
La Telaraña / Nacarita / El Bigorero - Mix
Con la Tierra Encima / Vuela Gaviota - Mix
{"copyright_id":"0x2506a770fd1d8991d3b3227e32607fb69bb9fadf5a07893428ae583baa35d84d","isrc":"US7VG2066740","name":"Con la Tierra Encima / Vuela Gaviota - Mix","registered_at":"2026-06-29T06:34:32Z","spotify_id":"3kO8peUtE5LXdOyyM9gqjl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2506a770fd1d8991d3b3227e32607fb69bb9fadf5a07893428ae583baa35d84d. 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/3kO8peUtE5LXdOyyM9gqjl.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/3kO8peUtE5LXdOyyM9gqjl.
La Pollera Colorada / La Burrita Tuerta - Mix
Morena Soñé Contigo / Se Va a Acabar el Mundo / La Profesora - Mix
{"copyright_id":"0xce91c1fdb83b11ed14c93c88fd2d030fea593e6c80238a89cd2c5f8ac9aaa841","isrc":"US7VG2066750","name":"Te Hubieras Ido Antes","registered_at":"2026-06-29T06:27:47Z","spotify_id":"2LZ6aVavIQyV7JlOzWiJ4U","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce91c1fdb83b11ed14c93c88fd2d030fea593e6c80238a89cd2c5f8ac9aaa841. 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/2LZ6aVavIQyV7JlOzWiJ4U.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/2LZ6aVavIQyV7JlOzWiJ4U.
Fiesta Mix los Rancheros de Plata: Signo Libra / Pajaro Picon / el Regreso de Su Amor / Corazon de Camionero / Lloraras
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9298c32fa0278dcc03b32313aa853cbfcbee215030274b45ab60ddc013cc8fcc. 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/6SIX0B4ZFGR4PCwrgOy97k.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/6SIX0B4ZFGR4PCwrgOy97k.
Mix Pachanguero: El Nido / Que Pasa Negra / Playa Blanca
{"copyright_id":"0xee6d616d8cd4c3e778a28c2c59532e280df4bd4574d3c419f0ce7d6acf07ab81","isrc":"ES71G2423623","name":"Mix Pachanguero: El Nido / Que Pasa Negra / Playa Blanca","registered_at":"2026-06-29T06:30:32Z","spotify_id":"5tiveSExV5FCHDpMcsIgVa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee6d616d8cd4c3e778a28c2c59532e280df4bd4574d3c419f0ce7d6acf07ab81. 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/5tiveSExV5FCHDpMcsIgVa.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/5tiveSExV5FCHDpMcsIgVa.
Fiesta Ranchera 20 Años de la Cumbia (Largo): Los Sabanales / Como son las Mujeres
{"copyright_id":"0xbea1651ab0b1b8670950a78f4415d9ef6aeae7406718a0b54d6fd7ee09c94126","isrc":"ES71G2415086","name":"Fiesta Ranchera 20 Años de la Cumbia (Largo): Los Sabanales / Como son las Mujeres","registered_at":"2026-06-20T22:16:03Z","spotify_id":"5NTJaePfW4B7pY5RRs8S75","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea1651ab0b1b8670950a78f4415d9ef6aeae7406718a0b54d6fd7ee09c94126. 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/5NTJaePfW4B7pY5RRs8S75.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/5NTJaePfW4B7pY5RRs8S75.
Fiesta Ranchera 20 Años de la Cumbia (Corto): Los Sabanales / Como son las Mujeres.
{"copyright_id":"0x12b43c9743d5964a9527f6dd521007ae7589876e73f02d5214e368767e9c5fcb","isrc":"ES71G2415087","name":"Fiesta Ranchera 20 Años de la Cumbia (Corto): Los Sabanales / Como son las Mujeres.","registered_at":"2026-06-20T22:25:13Z","spotify_id":"05TabCJ4r5CcJBVF53aobB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12b43c9743d5964a9527f6dd521007ae7589876e73f02d5214e368767e9c5fcb. 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/05TabCJ4r5CcJBVF53aobB.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/05TabCJ4r5CcJBVF53aobB.