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 0xcf39aacfbb56dceb8784c2b4b335a98a668b023a108db5b57dca31e345fbb54a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d5d89c0f-ad24-46d0-8723-921da29ff8a7.json and https://artists.proofprofile.net/proofs/artist/d5d89c0f-ad24-46d0-8723-921da29ff8a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Presentación del Álbum por Ariel Ramírez
Introducción/Señor Ten Piedad De Nosotros
Ramirez: Missa Criolla; Navidad Nuestra; Navidad en Verano
Misa Criolla: 2. Gloria (carnavalito-yaraví)
Misa Criolla: 3. Credo (chacarera trunca)
Misa Criolla: 4. Sanctus (carnaval cochabambino)
Misa Criolla: 5. Agnus Dei (estilo pampeano)
{"copyright_id":"0x3978a016ecb3d043876d410a68cda0127ff7c5fde3ec0f3e8515d75d9d14c793","isrc":"NLA508543705","name":"Misa Criolla: 5. Agnus Dei (estilo pampeano)","registered_at":"2026-06-29T05:53:08Z","spotify_id":"65MD4OTeNNlfjJXIaU8dXD","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 0x3978a016ecb3d043876d410a68cda0127ff7c5fde3ec0f3e8515d75d9d14c793. 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/65MD4OTeNNlfjJXIaU8dXD.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/65MD4OTeNNlfjJXIaU8dXD.
Navidad Nuestra: 1. La Anunciación (chamamé)
Navidad Nuestra: 2. La Peregrinación (huella pampeana)
Navidad Nuestra: 3. El Nacimiento (vidala catamarqueña)
Navidad Nuestra: 4. Los Pastores (chaya riojana)
Navidad Nuestra: 5. Los Reyes Magos (takirari)
Navidad Nuestra: 6. La Huida (vidala tucumana)
Misa Criolla (Edición aniversario / Remasterizado)
{"copyright_id":"0xaad02389cc5e53ba1f0001ce77da8e138dad1e2850858a5824fdd0e4dc09a2ba","isrc":"ARUM71400512","name":"Kyrie (Vidala-Baguala)","registered_at":"2026-06-19T15:21:06Z","spotify_id":"5JFJCgKdBxLiXy9q9FUWtE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad02389cc5e53ba1f0001ce77da8e138dad1e2850858a5824fdd0e4dc09a2ba. 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/5JFJCgKdBxLiXy9q9FUWtE.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/5JFJCgKdBxLiXy9q9FUWtE.
{"copyright_id":"0x5df6c37879e171a4f608405571d2e5e5e26129d5fc9e0f82cd0b5c8d87e6a6a2","isrc":"ARUM71400513","name":"Gloria (Carnavalito-Yaravi)","registered_at":"2026-06-18T19:20:56Z","spotify_id":"6BoJ4NZ5NR8UBAYu0HFdVg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5df6c37879e171a4f608405571d2e5e5e26129d5fc9e0f82cd0b5c8d87e6a6a2. 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/6BoJ4NZ5NR8UBAYu0HFdVg.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/6BoJ4NZ5NR8UBAYu0HFdVg.
{"copyright_id":"0xc0dde68a652eb851a26e7b8a451d440d832e4a81b11ebb7e26f3623fd0f63e6e","isrc":"ARUM71400514","name":"Credo (Chacarera Trunca)","registered_at":"2026-06-23T11:57:52Z","spotify_id":"28GLAOGVMLE4v4Gm855yao","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0dde68a652eb851a26e7b8a451d440d832e4a81b11ebb7e26f3623fd0f63e6e. 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/28GLAOGVMLE4v4Gm855yao.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/28GLAOGVMLE4v4Gm855yao.
{"copyright_id":"0x7c283beca849df7352e978de84c13b1a7f8e9dd4b96f9f156832c25786b9fd51","isrc":"ARUM71400515","name":"Sanctus (Carnaval Cochabambino)","registered_at":"2026-06-23T12:14:39Z","spotify_id":"6FmeP9xmjdAAR5OYiEGBjD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c283beca849df7352e978de84c13b1a7f8e9dd4b96f9f156832c25786b9fd51. 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/6FmeP9xmjdAAR5OYiEGBjD.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/6FmeP9xmjdAAR5OYiEGBjD.
{"copyright_id":"0xbf5162552cd7d3f6c17a5bb506df3d9803caf7a4a9ddcace3d2bc9c9eb0e7dea","isrc":"ARUM71400516","name":"Agnus Dei (Estilo Pampeano)","registered_at":"2026-06-23T12:02:08Z","spotify_id":"5rgmODvv2CsB3mhEIjyHGK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5162552cd7d3f6c17a5bb506df3d9803caf7a4a9ddcace3d2bc9c9eb0e7dea. 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/5rgmODvv2CsB3mhEIjyHGK.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/5rgmODvv2CsB3mhEIjyHGK.
{"copyright_id":"0xfc3676ecbe008ec7036e6c331c8f3b87a6070db949405cad5b59dc9b3b50baa2","isrc":"ARUM71400517","name":"La Anunciación (Chamamé)","registered_at":"2026-06-24T06:56:42Z","spotify_id":"1veARvh0OxyVuhFtwRCbJv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc3676ecbe008ec7036e6c331c8f3b87a6070db949405cad5b59dc9b3b50baa2. 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/1veARvh0OxyVuhFtwRCbJv.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/1veARvh0OxyVuhFtwRCbJv.
{"copyright_id":"0xf987e99adfb8fa06e74e3ef3b78e1c3befe863e1a14f8a0e0eed780151827d6f","isrc":"ARUM71400518","name":"La Peregrinación (Huella Pampeana)","registered_at":"2026-06-23T11:57:10Z","spotify_id":"3WThS52unYtO8yhXRzRO0c","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf987e99adfb8fa06e74e3ef3b78e1c3befe863e1a14f8a0e0eed780151827d6f. 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/3WThS52unYtO8yhXRzRO0c.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/3WThS52unYtO8yhXRzRO0c.
{"copyright_id":"0x2b277adebc2c19f75d184cb1d2d11853c4fe5a5f858f394a9f4dccc9409442a5","isrc":"ARUM71400519","name":"El Nacimiento (Vidala Catamarqueña)","registered_at":"2026-06-25T10:11:38Z","spotify_id":"466JwG0TnsEj9tCmzyGX7B","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b277adebc2c19f75d184cb1d2d11853c4fe5a5f858f394a9f4dccc9409442a5. 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/466JwG0TnsEj9tCmzyGX7B.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/466JwG0TnsEj9tCmzyGX7B.
{"copyright_id":"0x0934e959edc7f478bb5ccd4955a99eda2048f83b3654066d843418671403dcec","isrc":"ARUM71400520","name":"Los Pastores (Chaya Riojana)","registered_at":"2026-06-25T10:10:17Z","spotify_id":"3m1GTPbGhszy6vejSXwBC1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0934e959edc7f478bb5ccd4955a99eda2048f83b3654066d843418671403dcec. 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/3m1GTPbGhszy6vejSXwBC1.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/3m1GTPbGhszy6vejSXwBC1.
{"copyright_id":"0x969e9ec0c2f4f7f7bc02bc6564ce559b76f64441a506fe868cfffc4899869a8d","isrc":"ARUM71400521","name":"Los Reyes Magos (Takirari)","registered_at":"2026-06-24T18:42:53Z","spotify_id":"10Z5W1zKo6EBumwJsavhn9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x969e9ec0c2f4f7f7bc02bc6564ce559b76f64441a506fe868cfffc4899869a8d. 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/10Z5W1zKo6EBumwJsavhn9.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/10Z5W1zKo6EBumwJsavhn9.
La Pulpera De Santa Lucía - Instrumental
Camba Cúa (Cueva De Negros) - Instrumental
Mujeres Argentinas / Cantata Sudamericana
Ariel Ramirez: Misa Criolla / Navidad Nuestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3707c1e2a40c17c06a7e69094d8677669a622e490b253a9fb15e6fecfab7a71. 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/6G1djSsMQ3l1tYC3g0OAlH.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/6G1djSsMQ3l1tYC3g0OAlH.
Misa Criolla - original version Arr. of the choral parts by J.G. Segade: Credo (Chacarera Trunca)
Misa Criolla - original version Arr. of the choral parts by J.G. Segade: Sanctus (Carnaval Cochabambino)
Misa Criolla - original version Arr. of the choral parts by J.G. Segade: Agnus Dei (Estilo Pampeano)
Ramírez: Misa Criolla - original version Arr. of the choral parts by J.G. Segade: Credo (Chacarera Trunca)
Ramírez: Misa Criolla - original version Arr. of the choral parts by J.G. Segade: Sanctus (Carnaval Cochabambino)
Ramírez: Misa Criolla - original version Arr. of the choral parts by J.G. Segade: Agnus Dei (Estilo Pampeano)
Ramírez: Navidad Nuestra: 1. La Anunciación (chamamé)
Ramírez: Navidad Nuestra: 2. La Peregrinación (huella pampeana)
Ramírez: Navidad Nuestra: 3. El Nacimiento (vidala catamarqueña)
Ramírez: Navidad Nuestra: 4. Los Pastores (chaya riojana)
Ramírez: Navidad Nuestra: 5. Los Reyes Magos (takirari)
Ramírez: Navidad Nuestra: 6. La Huida (vidala tucumana)
Volveré Siempre A San Juan - Instrumental
Santafesino De Veras (40 Obras Fundamentales)
El Nacimiento Del Charango - Instrumental
Misa Criolla: 1 - Kyrie (vidala-buagala)
Misa Criolla: 2 - Gloria (carnavalito-yaravi)
Misa Criolla: 3 - Credo (chacarera trunca)
Misa Criolla: 4 - Sanctus (carneval cochabambino)
Misa Criolla: 5 - Agnus Dei (estilo pampeano)
Navidad Nuestra: 1 - La Anunciación (chamamé)
Navidad Nuestra: 2 - La Peregrinación (huella pampeana)
Navidad Nuestra: 3 - El Nacimento (vidala catamarqueña)
Navidad Nuestra: 4 - Los Pastore (chaya riojana)
Navidad Nuestra: 5 - Los Reyes Magos (takirari)
Navidad Nuestra: 6 - La Huida (vidala tucumana)
Ramírez: Misa Criolla: I. Kyrie (Version for Solo Violin, Vocal Quartet, Percussion and String Orchestra)
Misa Criolla: I. Kyrie (Version for Solo Violin, Vocal Quartet, Percussion and String Orchestra)
À sa guitare - Ramírez: Alfonsina y el mar (Transcr. Garcia)
Ramírez / Transcr. Garcia: Alfonsina y el mar
Ramírez: Misa Criolla: II. Gloria (Version for Solo Violin, Vocal Quartet, Percussion, Charango, Guitar and String Orchestra)
Misa Criolla: II. Gloria (Version for Solo Violin, Vocal Quartet, Percussion, Charango, Guitar and String Orchestra)
Alfonsina y el mar (Arr. for Voice & Chamber Ensemble by Santiago Cimadevilla): Alfonsina y el mar (Arr. for Voice & Chamber Ensemble by Santiago Cimadevilla)
Misa Criolla: 2. Gloria (carnavalito-yaraví), 1st part - Live
Misa Criolla: 2. Gloria (carnavalito-yaraví), 2nd part - Live
Misa Criolla: 3. Credo (chacarera trunca) - Live
Misa Criolla: 4. Sanctus (carnaval cochabambino) - Live
Misa Criolla: 5. Agnus Dei (estilo pampeano) - Live
Navidad Nuestra: I. La Anunciacion - live
Navidad Nuestra: II. La Peregrinacion - live
Navidad Nuestra: III. El Nacimento - live
Navidad Nuestra: IV. Los Pastores - live
Navidad Nuestra: V. Los Reyes Magos - live
{"copyright_id":"0x7ac764b4a42cf60ed10fcb7b145d9e2f4c708bd1d3adf3ea7c0fa394d96b4662","isrc":"ARF096900004","name":"Alfonsina Y El Mar","registered_at":"2026-06-04T10:47:54Z","spotify_id":"6Q3ozAXkxLpKQy6sc8L0TY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ac764b4a42cf60ed10fcb7b145d9e2f4c708bd1d3adf3ea7c0fa394d96b4662. 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/6Q3ozAXkxLpKQy6sc8L0TY.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/6Q3ozAXkxLpKQy6sc8L0TY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3371fc1bf82b40607819c6bb7e53f9d1679f251b02ad2ed5a5d8bafb7f9b91. 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/18GSszh7MfmRJ1aWPtWz6H.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/18GSszh7MfmRJ1aWPtWz6H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b8749220043dc5a860c27f5b49dbaef40d0a4163360bcaa3ea1e01595a6ccf8. 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/0HT7WktUdfNqZcE8t859Fu.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/0HT7WktUdfNqZcE8t859Fu.
{"copyright_id":"0x1859a70f63b495dd7745ccd09954ae1796ffe32faa7d61822f391445fbcf4b8c","isrc":"ARF096900027","name":"Quien Te Amaba Ya Se Va","registered_at":"2026-06-18T02:20:32Z","spotify_id":"2hk1YhCiyLJjuhhwmElzc4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1859a70f63b495dd7745ccd09954ae1796ffe32faa7d61822f391445fbcf4b8c. 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/2hk1YhCiyLJjuhhwmElzc4.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/2hk1YhCiyLJjuhhwmElzc4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x645c13ae9be2f09550014fa792c5803789eca61d52302d7c6dff974fdd4d0854. 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/4h5vfZP44J39VYtgY21Jm3.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/4h5vfZP44J39VYtgY21Jm3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b48c677ecb961d175afe1c60790da8cce5c9c857654043441bcb1814e9ec631. 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/4WVWHAdSnlkhgt2Hc38qQr.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/4WVWHAdSnlkhgt2Hc38qQr.