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 0x5fd047a55ed0323a40ebb7af99d012fd57e4bf9f62492de1d9a3722c46462697. 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/deee6a3a-4293-4a14-a453-d46e259c4988.json and https://artists.proofprofile.net/proofs/artist/deee6a3a-4293-4a14-a453-d46e259c4988.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x6cdcee04412980cb56c42d96dcfd2091e49ff4e54a4918f0af36cd1b6f076f39","isrc":"ES08A0700020","name":"Agua De Levante","registered_at":"2026-06-28T19:26:55Z","spotify_id":"5MQaIG1SP1CKeNr1Biitjo","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 0x6cdcee04412980cb56c42d96dcfd2091e49ff4e54a4918f0af36cd1b6f076f39. 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/5MQaIG1SP1CKeNr1Biitjo.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/5MQaIG1SP1CKeNr1Biitjo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x997ae809340f299064b6e17aff7245c9c8de98e114baa9dea51c43b8238ba45b. 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/1PV7J4mTadRjbZbjZWRZN4.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/1PV7J4mTadRjbZbjZWRZN4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9435648bba124a14b651c43ff7abad24aa337e495bf930bc13fc0fe46628af02. 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/62dCd9Uh9eNDcSVyzxFGse.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/62dCd9Uh9eNDcSVyzxFGse.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3af11a977440264f21097f9d16523132385e70e1c035c2d166c87cc307ef8c67. 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/2q8WbWRKeZ2230VytNZxjB.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/2q8WbWRKeZ2230VytNZxjB.
{"copyright_id":"0x4226e6ce5a7ee5274b8ddbbed2dd840b964a73defd7045d9063d41fe0ffc4d15","isrc":"ES08A1200079","name":"Por Debajo de Madrid","registered_at":"2026-06-29T15:18:06Z","spotify_id":"6pcvekuwSBWAEMCizTawZR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4226e6ce5a7ee5274b8ddbbed2dd840b964a73defd7045d9063d41fe0ffc4d15. 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/6pcvekuwSBWAEMCizTawZR.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/6pcvekuwSBWAEMCizTawZR.
Soñar Contigo (Una Coleccion De Sus Grandes Canciones)
Soñar Contigo. Una Colección de Sus Grandes Canciones
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae96574fe9e428d7f24a0236c1c06184865cba20757f96b0352a743fc9bc8ea. 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/1FKJAPz2VZqFTLzTB4eijD.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/1FKJAPz2VZqFTLzTB4eijD.
Soñar Contigo. Una Colección de Sus Grandes Canciones 2008-2018
Qué Será Lo Que Me Has Dado - En Directo
Sé Que Estás Pensando en Mí - En Directo
Yo Que un Día Te Quise Siempre (En Directo)
Yo Que un Día Te Quise Siempre - En Directo
Entre Tu Balcón y Mi Ventana - En Directo
Qué Sera Lo Que Me Has Dado - En Directo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772908f1045a38da18f84b87910e32f6c8e0c0e5196b7ded6e8e9aa9b7cd149a. 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/5WKzka1jZPxUDW6gIjKOSQ.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/5WKzka1jZPxUDW6gIjKOSQ.
{"copyright_id":"0xc44f4d1d4a9c726c809d8ba46d05dadf57f410a3c9a36ddb3f5cd35c4b9ffe05","isrc":"ES79A2117801","name":"Me Gustas","registered_at":"2026-06-06T04:47:22Z","spotify_id":"1hse1JOrOlvXupzCCsoOZl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44f4d1d4a9c726c809d8ba46d05dadf57f410a3c9a36ddb3f5cd35c4b9ffe05. 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/1hse1JOrOlvXupzCCsoOZl.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/1hse1JOrOlvXupzCCsoOZl.
{"copyright_id":"0x41970590aa2da180d83099775ec507717536e6cceeab4c565a30e49ff30f129c","isrc":"ES79A2117812","name":"Entre Tu Balcón y Mi Ventana","registered_at":"2026-06-23T07:01:30Z","spotify_id":"3EKzSreVjm5uN9Brycsglj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41970590aa2da180d83099775ec507717536e6cceeab4c565a30e49ff30f129c. 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/3EKzSreVjm5uN9Brycsglj.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/3EKzSreVjm5uN9Brycsglj.
{"copyright_id":"0xa34e89e98356fbfeedfd842f6539aba85639b43ae0a27399c6ea2e916dd0fbdd","isrc":"ES79A2117802","name":"Un Beso de Esos","registered_at":"2026-06-18T01:23:42Z","spotify_id":"434TAPUcJvzXuvT81ecDmI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa34e89e98356fbfeedfd842f6539aba85639b43ae0a27399c6ea2e916dd0fbdd. 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/434TAPUcJvzXuvT81ecDmI.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/434TAPUcJvzXuvT81ecDmI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772908f1045a38da18f84b87910e32f6c8e0c0e5196b7ded6e8e9aa9b7cd149a. 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/02NsbNwZ2ktoYplEo05f70.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/02NsbNwZ2ktoYplEo05f70.
{"copyright_id":"0xe49dd711d6f9a249e2ad839bb3cd0cf79e1b3a63d64cfa77e96c68dfb528b3c3","isrc":"ES79A2117809","name":"Agua de Levante","registered_at":"2026-06-22T01:29:29Z","spotify_id":"5hrPOfYv04VvwgIWRXmmiJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49dd711d6f9a249e2ad839bb3cd0cf79e1b3a63d64cfa77e96c68dfb528b3c3. 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/5hrPOfYv04VvwgIWRXmmiJ.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/5hrPOfYv04VvwgIWRXmmiJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0026ba23e0d1c3ad41329d268bba85d8ea8b74d2a140d7ddb7ceaa59e95def5e. 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/1NAMNPi4dmQ6r4MrOGWwpt.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/1NAMNPi4dmQ6r4MrOGWwpt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50db49722cab8cbe0486918de6c3ca5797ef97310d5ac55dd65d0e39d970a2f4. 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/31NIsskOyCvJYPtW4tQ4vP.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/31NIsskOyCvJYPtW4tQ4vP.
{"copyright_id":"0x5a5d13ddf98e684c562eaf7ddf54b7592f66c7aebb54cc371d4930e50c3f34b7","isrc":"ES79A2117814","name":"Qué Será Lo Que Me Has Dado","registered_at":"2026-06-10T17:43:17Z","spotify_id":"5i7wl6Cl5vDO90fKoPDDmz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a5d13ddf98e684c562eaf7ddf54b7592f66c7aebb54cc371d4930e50c3f34b7. 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/5i7wl6Cl5vDO90fKoPDDmz.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/5i7wl6Cl5vDO90fKoPDDmz.
{"copyright_id":"0xc0948a561989e8ffbd31d845021238dcdbb39e7bacadb6184b19237fe425c66a","isrc":"ES79A2117810","name":"Mil Veces Prefiero","registered_at":"2026-06-22T01:20:04Z","spotify_id":"4ytb6oIUtuPEdryqLNIGAg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0948a561989e8ffbd31d845021238dcdbb39e7bacadb6184b19237fe425c66a. 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/4ytb6oIUtuPEdryqLNIGAg.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/4ytb6oIUtuPEdryqLNIGAg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb86a4e99f44f80dd9742aacb6bafa3f824a5d95959be5672a2967805d6a2a20. 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/027S0bCXFf5nw3T8HVVQZO.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/027S0bCXFf5nw3T8HVVQZO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8761f3ec94f5a173876641635c6739315444ae4bf2713979736dc437741a9a83. 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/4E4ZXDH90Xzjmn6cccY2GJ.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/4E4ZXDH90Xzjmn6cccY2GJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e61ea5ecf3db678790dfe453f8a6f7183490b2eca5e177e9dfc8c8a058236a8. 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/2nDrR6YX2moAx152YkdsrK.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/2nDrR6YX2moAx152YkdsrK.
{"copyright_id":"0x204a439785bf6e1819ee2f92a9dcdfcad3faa2f98afe112fdd8568e60bd78c78","isrc":"ES79A2117808","name":"Todo Lo Que Nos Quisimos","registered_at":"2026-06-22T01:19:52Z","spotify_id":"4Kfpr75pewE3jqcDy72If3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x204a439785bf6e1819ee2f92a9dcdfcad3faa2f98afe112fdd8568e60bd78c78. 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/4Kfpr75pewE3jqcDy72If3.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/4Kfpr75pewE3jqcDy72If3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2ddee2b28e8c4e0c1296e173302e48df27dbb9dbc902f4481171d8fbeb237f1. 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/66Hc6ArJh6LmtV2kkCtrIl.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/66Hc6ArJh6LmtV2kkCtrIl.
Vuelve Amor (Canción Original de La Entrega)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05301642a8b5e7f2e6428d26a1a343e743c76437c9f2c9294bcb054484ec688b. 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/4Yjy96QCMauMaEuzJwCwnV.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/4Yjy96QCMauMaEuzJwCwnV.