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 0x417d9f9e47cba9fb5c5bf796da9517962bbfc6ee123316881b037b831cca5878. 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/d735fbe5-afd3-43eb-9bda-bd8574267be6.json and https://artists.proofprofile.net/proofs/artist/d735fbe5-afd3-43eb-9bda-bd8574267be6.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 0x2db022d267e735c2fb1c753250b9f7d4000143d2db1e5e5b907371a3270374d3. 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/5YlXm9dpQPrGDtZnLzhCgr.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/5YlXm9dpQPrGDtZnLzhCgr.
Cosas Que No Quise Decirte - Unreleased Version
Quiero Que Vuelvas (Perdona Si Te Llamo Amor)
Quiero Que Vuelvas - Perdona Si Te Llamo Amor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56268cfb2c736436280d42d95d2f93a38b8e61285123f7a2a1cc22dd4940efff. 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/1H2q5r1WvoUI8PcWwVKgFm.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/1H2q5r1WvoUI8PcWwVKgFm.
Quiero Que Vuelvas (feat. Antonio Orozco)
Quiero Que Vuelvas (with Antonio Orozco)
Cosas Que No Quise Decirte (with Marco Mengoni)
Si Después de Darte Amor (with Abel Pintos)
Me Inventaré (with Dani Martin) [Versión 2018]
Me Inventaré (with Dani Martin) - Versión 2018
Volver a Empezar (feat. Leire Martínez) - En Directo
Fiera (feat. India Martinez) - En Directo
Cosas Que No Quise Decirte (feat. Marco Mengoni) - En Directo
Ya Verás (feat. Andrés Suárez) - En Directo
A un Par de Metros de Ti (feat. Matisse)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x178afbd4bae891cdf6eaf774c83abfa5f26f2e7ae5f2f1b011ccfbd61f7c36e6. 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/53Uzf6LAf4FKzVice0GgQ5.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/53Uzf6LAf4FKzVice0GgQ5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a3385dac022f4d3583159feee1255c5c7929f3a5a8088fa507405bebe73344. 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/6tWkhkZ7SHR3fDyX058p2s.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/6tWkhkZ7SHR3fDyX058p2s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x178732b12a02e62056837441371ba584a3e820e29c6f0729fa1ee8a1319b8508. 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/2vCDuKqfm1yWz1znIU2uEd.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/2vCDuKqfm1yWz1znIU2uEd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa159dca6980b1216eefdc322a1820e62d2459a045e4d66788de78dd9e0cd0abb. 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/1Ts6uindvvOon6n8pdsQzr.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/1Ts6uindvvOon6n8pdsQzr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd68996aa526caac3e80583c6cacf6012ab056706c5c2d278c299821c8623ded6. 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/6u8fviyZ6puoNLnx16ry71.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/6u8fviyZ6puoNLnx16ry71.
{"copyright_id":"0x1d0dab9a274c6ebddf5fccf14ea2fca1d7998af2c86b42db2d49378b9886a826","isrc":"ES71G2433603","name":"La misma luz","registered_at":"2026-06-05T20:09:55Z","spotify_id":"5EAS2vy14p68UZ3qRfIwse","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d0dab9a274c6ebddf5fccf14ea2fca1d7998af2c86b42db2d49378b9886a826. 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/5EAS2vy14p68UZ3qRfIwse.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/5EAS2vy14p68UZ3qRfIwse.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9438dc399d5a5e0cca7a1ca450b83e15ffa7e793c927021f4804b2415c286362. 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/2KjJqOZxgQPHkoaCAK8xrS.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/2KjJqOZxgQPHkoaCAK8xrS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x574b844ef3b28a75942ee4f1c5cb305a20166fc83b2b1c53952a066eae119647. 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/76XuuKuwAFsSPDgjthcid0.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/76XuuKuwAFsSPDgjthcid0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x178732b12a02e62056837441371ba584a3e820e29c6f0729fa1ee8a1319b8508. 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/1NZAL5soLBVpFFA1D8eBtT.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/1NZAL5soLBVpFFA1D8eBtT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8118750f8e6d0e9bd2f4163034a672b6243e9c2746d44d7d6a361c558e45fd42. 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/5XuUL4kYVUBinSNGLWtyjv.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/5XuUL4kYVUBinSNGLWtyjv.
Estoy Contigo (feat. Ana Torroja, Andrés Suárez, David Otero, Funambulista, India Martinez, Iván Ferreiro, Maldita Nerea, Melendi, Rozalén & Vanesa Martin)
{"copyright_id":"0xf45cff3667f77fe7d5432e2fdde81597cd9bbb0a58a88d0dc3c2eb0cbe07271a","isrc":"ES5021702128","name":"Estoy Contigo (feat. Ana Torroja, Andrés Suárez, David Otero, Funambulista, India Martinez, Iván Ferreiro, Maldita Nerea, Melendi, Rozalén & Vanesa Martin)","registered_at":"2026-06-04T07:04:49Z","spotify_id":"30sfbddp6p6Y33VCSf8QPQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45cff3667f77fe7d5432e2fdde81597cd9bbb0a58a88d0dc3c2eb0cbe07271a. 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/30sfbddp6p6Y33VCSf8QPQ.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/30sfbddp6p6Y33VCSf8QPQ.
{"copyright_id":"0x84062c0ecb7ecb5a8dc6512a4cff64b0f45f280722b95ab896ef0ba1c448a841","isrc":"ES5152000107","name":"Miedo (feat. Funambulista) - Acústico","registered_at":"2026-06-07T06:31:46Z","spotify_id":"6gJNi8ClNVCuwk2R524nV1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84062c0ecb7ecb5a8dc6512a4cff64b0f45f280722b95ab896ef0ba1c448a841. 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/6gJNi8ClNVCuwk2R524nV1.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/6gJNi8ClNVCuwk2R524nV1.
{"copyright_id":"0x84062c0ecb7ecb5a8dc6512a4cff64b0f45f280722b95ab896ef0ba1c448a841","isrc":"ES5152000107","name":"Miedo (feat. Funambulista) - Acústico","registered_at":"2026-06-07T06:31:46Z","spotify_id":"1VCvkB1k2uO56Mp38U0Dm8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84062c0ecb7ecb5a8dc6512a4cff64b0f45f280722b95ab896ef0ba1c448a841. 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/1VCvkB1k2uO56Mp38U0Dm8.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/1VCvkB1k2uO56Mp38U0Dm8.
Ojalá (feat. Funambulista) - Sesiones Moraima
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f356129272c23c74daec66471301075824d0ae2d7994d579ae96399c678cd28. 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/36Jg4fMF4MNouCO1LygJEB.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/36Jg4fMF4MNouCO1LygJEB.
Esquina de la confusión (feat. Funambulista)
30 Años Con Modestia Aparte (Son Cosas de la Edad)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x181acce35e4e65515ea5d596658574d0ec5f135d655759132684211b1b04ed2e. 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/5YvtgqpHShcV6nLAI98qcv.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/5YvtgqpHShcV6nLAI98qcv.
{"copyright_id":"0x40c3fdca4fc2ea6ad417cf78ef79ae77710db3fcbab9b01b7f0ec1ef448553e4","isrc":"ES32E2000009","name":"Bolero a Murcia (Versión 2020)","registered_at":"2026-06-21T02:58:53Z","spotify_id":"1BEdti11KHLgK6FHbINclb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40c3fdca4fc2ea6ad417cf78ef79ae77710db3fcbab9b01b7f0ec1ef448553e4. 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/1BEdti11KHLgK6FHbINclb.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/1BEdti11KHLgK6FHbINclb.
{"copyright_id":"0xa07a689df26f2f15431125c4107a03fa5fa921d24dd94fa3cb4d75f3b57e4de8","isrc":"ES5021602586","name":"Eres Aire (with Rozalén)","registered_at":"2026-06-22T00:46:57Z","spotify_id":"11h8GwOvsKqX5nFf5YILpA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa07a689df26f2f15431125c4107a03fa5fa921d24dd94fa3cb4d75f3b57e4de8. 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/11h8GwOvsKqX5nFf5YILpA.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/11h8GwOvsKqX5nFf5YILpA.