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 0x1ba3124779a2a465f5e29af41fc074b63714c0469abb25cd2c995063b6044b9e. 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/b07377fe-5c7f-4f7a-915f-f275300a401a.json and https://artists.proofprofile.net/proofs/artist/b07377fe-5c7f-4f7a-915f-f275300a401a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Fortuna de Tenerte (Sesiones Acústicas)
La Fortuna de Tenerte - Sesiones Acústicas
{"copyright_id":"0x10c12b30ac0d9c1e2de15b5f82be20f3520cf3b43c3a5863040f7cd21ec54bbd","isrc":"QZ5AB1870581","name":"Por Donde Vas Iré","registered_at":"2026-06-09T11:53:55Z","spotify_id":"3XjEjSXKGwlSiYabQRKJJx","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 0x10c12b30ac0d9c1e2de15b5f82be20f3520cf3b43c3a5863040f7cd21ec54bbd. 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/3XjEjSXKGwlSiYabQRKJJx.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/3XjEjSXKGwlSiYabQRKJJx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ad74b0bc2111b847a095c68207335ee5dd30f42c6998287a27bce01f2c5673. 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/67AikvKpnreHAgSErMmQ8U.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/67AikvKpnreHAgSErMmQ8U.
{"copyright_id":"0x10c12b30ac0d9c1e2de15b5f82be20f3520cf3b43c3a5863040f7cd21ec54bbd","isrc":"QZ5AB1870581","name":"Por Donde Vas Iré","registered_at":"2026-06-09T11:53:55Z","spotify_id":"6xaRK5e1Q7Du1WQTo6aKV0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10c12b30ac0d9c1e2de15b5f82be20f3520cf3b43c3a5863040f7cd21ec54bbd. 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/6xaRK5e1Q7Du1WQTo6aKV0.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/6xaRK5e1Q7Du1WQTo6aKV0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6389f0377cd10411c6041355f61d2a0344b6e059e1e9bb03be20edba85927fee. 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/03xruyrWgVcEg1PWa0pZWz.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/03xruyrWgVcEg1PWa0pZWz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc70a4b3a1dc869934d4ed1b378b6c4c7aa8e757707cb084e98285c6f971497ee. 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/6wpZ45DvZTu4aK2sgcOXaz.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/6wpZ45DvZTu4aK2sgcOXaz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x623b69b75efccf986dacf94c9e9c3f39946d443528714ee54d4b4f3be2506638. 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/4ahRG9q3FgBsrjJ1NgAHqE.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/4ahRG9q3FgBsrjJ1NgAHqE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53eaff89953cd0813cd148c49f72c8298dbed7d26866428a324aef5a905839c6. 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/4BsORMDJZ7Fo7jm7bKvdqS.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/4BsORMDJZ7Fo7jm7bKvdqS.
Hazme un Instrumento de Tu Paz - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x884c30c29c880c5c2cec27fdd08898f884f49aa6e9f83530bd293c7cc7d94ce3. 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/1uABVd0XV7yZLb3kAHEtUI.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/1uABVd0XV7yZLb3kAHEtUI.
Salmo 21 - Dios Mío ¿Por Qué Me Has Abandonado? (Domingo de Ramos)
Salmo 115 - El Cáliz Que Bendecimos (Jueves Santo)
Salmo 30 - Padre a Tus Manos Encomiendo Mi Espíritu (Viernes Santo)
Salmo 103 - Envía Tu Santo Espíritu (Vigilia Pascual)
Salmo 115 - Protégeme Dios Mio, Que Me Refugio en Tí (Vigilia Pascual)
Éxodo 15 - Cantaré al Señor, Sublime Es Su Victoria (Vigilia Pascual)
Salmo 29 - Te Ensalzaré Señor Porque Me Has Librado (Vigilia Pascual)
Isaías 12 - Sacareis Aguas Con Gozo de las Fuentes de la Salvación (Vigilia Pascual)
Salmo 18 - Señor Tu Tienes Palabras de Vida (Vigilia Pascual)
Salmo 50 - Crea en Mi un Corazón Que Sea Puro (Vigilia Pascual)
Salmo 118 - Este Es el Día en Que Actuó el Señor (Vigilia Pascual)
Salmo 117 - Den Gracias al Señor Porque Es Bueno (Domingo de Resurrección)
Salmo 15 - Señor Me Enseñarás el Sendero de la Vida
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2053070b7f5191eb95df29654bb30805814d03ba72ad270cafaf8795e6ed4c21. 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/4YrWoXej8Vcrj3ErF6drdW.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/4YrWoXej8Vcrj3ErF6drdW.
{"copyright_id":"0xcd7538e74f7638f1f1dff74f1eff7a7f3c14caf7ecff0ff2b7795ac378a17cb0","isrc":"QZW9K2297790","name":"Gracias, Gracias","registered_at":"2026-06-18T23:13:16Z","spotify_id":"4fzx6aIUOMjFcd5O9Yfsnu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd7538e74f7638f1f1dff74f1eff7a7f3c14caf7ecff0ff2b7795ac378a17cb0. 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/4fzx6aIUOMjFcd5O9Yfsnu.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/4fzx6aIUOMjFcd5O9Yfsnu.
{"copyright_id":"0x38076e1b3ed9fb770d016198936cf3c4b59dcd5f0a566ce96b0eb661228a50f6","isrc":"QZNJV2042210","name":"Que Te Adore Todo Pueblo","registered_at":"2026-06-10T08:57:48Z","spotify_id":"5tmUcVCiMSgN0KL3E1qpFE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38076e1b3ed9fb770d016198936cf3c4b59dcd5f0a566ce96b0eb661228a50f6. 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/5tmUcVCiMSgN0KL3E1qpFE.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/5tmUcVCiMSgN0KL3E1qpFE.
{"copyright_id":"0x6ef567bff19a281b7f04a81e35009662ed74c0dec1dfefdec4ed80b23629da4e","isrc":"QZHZ51905478","name":"Tuyo Soy","registered_at":"2026-06-19T18:15:23Z","spotify_id":"0JYugAMAhaq1GbVucoJo0a","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef567bff19a281b7f04a81e35009662ed74c0dec1dfefdec4ed80b23629da4e. 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/0JYugAMAhaq1GbVucoJo0a.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/0JYugAMAhaq1GbVucoJo0a.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb23f887cb0ec31b8af59be9900c9ebdf4e34739f95441a2c380456edf6e889b. 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/4PyVZGFeMTT0hjHu0SSYxz.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/4PyVZGFeMTT0hjHu0SSYxz.