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 0xcc575c865776e56def1472a2f35e43f48e770d64869b52dcb26fbe02a966163e. 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/86c35ce4-59c0-471f-9a80-b8a5ab0ea507.json and https://artists.proofprofile.net/proofs/artist/86c35ce4-59c0-471f-9a80-b8a5ab0ea507.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 0x4daba0b9cda0cb543909130877f59b827c6b80cbe501c309d5b3724e1d559486. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2rIKQuG2rKWhiP2HFSTv3T.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/2rIKQuG2rKWhiP2HFSTv3T.
Across The Universe (Operación Triunfo 2017)
Across The Universe - Operación Triunfo 2017
Love On The Brain (Operación Triunfo 2017)
Te Recuerdo Amanda (Operación Triunfo 2017)
Te Recuerdo Amanda - Operación Triunfo 2017
Todo Mi Amor Eres Tú (I Just Can't Stop Loving You)
{"copyright_id":"0xcc1c7ea30e28129a9b7283e9dcd1b690031c27c6d86c42d80ec45202b560c8d2","isrc":"ES5701800011","name":"Lucha De Gigantes","registered_at":"2026-06-18T01:28:56Z","spotify_id":"6XxiCKxJEbLmelnkbg7iht","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc1c7ea30e28129a9b7283e9dcd1b690031c27c6d86c42d80ec45202b560c8d2. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6XxiCKxJEbLmelnkbg7iht.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/6XxiCKxJEbLmelnkbg7iht.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7afc17e87841642cce4290ca43ad5247a51e76b8265d32965916eecfb4e9a51. 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/6c9bWxp5nyXERYz63F4ILO.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/6c9bWxp5nyXERYz63F4ILO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4daba0b9cda0cb543909130877f59b827c6b80cbe501c309d5b3724e1d559486. 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/3Z8UfiYDtBSBYMht7DsrCb.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/3Z8UfiYDtBSBYMht7DsrCb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68bc8443d56c64d26736f3d0ea38755b0456f32e352787c4d98fbadbfa37aff7. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5e1gjQFb7aSRgI0mP4B6IH.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/5e1gjQFb7aSRgI0mP4B6IH.
{"copyright_id":"0x1525bfda2a31efb84bad799e3acc8a588c62344b161d8cedc202ac3c21db8234","isrc":"ES5701900500","name":"Nadie Podría Hacerlo","registered_at":"2026-06-29T14:55:12Z","spotify_id":"19xFj7b1DdtSEz4RLiz1Zp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1525bfda2a31efb84bad799e3acc8a588c62344b161d8cedc202ac3c21db8234. 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/19xFj7b1DdtSEz4RLiz1Zp.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/19xFj7b1DdtSEz4RLiz1Zp.
Cosas interesantes para decir (En directo en el estudio)
Cosas interesantes para decir - En directo en el estudio
{"copyright_id":"0x68ceb486680b539a1d4f5714e20adea6a59ebfafb32e8ae54b80f5fd2b5b63ef","isrc":"ES5702200072","name":"La Canción Que No Quiero Cantarte","registered_at":"2026-06-05T15:29:32Z","spotify_id":"1BLWBkRUpDRTNxIjfhDlOn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ceb486680b539a1d4f5714e20adea6a59ebfafb32e8ae54b80f5fd2b5b63ef. 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/1BLWBkRUpDRTNxIjfhDlOn.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/1BLWBkRUpDRTNxIjfhDlOn.
Más De La Mitad (Canción original de la película “No Mires A Los Ojos”)
Más De La Mitad - Canción original de la película “No Mires A Los Ojos”
Malos Tiempos Para La Lírica (Canción de la película “Mañana Es Hoy”)
Malos Tiempos Para La Lírica - Canción de la película “Mañana Es Hoy”
Pop Español - Grandes Éxitos Y Joyas Ocultas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc1c7ea30e28129a9b7283e9dcd1b690031c27c6d86c42d80ec45202b560c8d2. 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/5edwQ0hijIN1rybTREQu7z.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/5edwQ0hijIN1rybTREQu7z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68bc8443d56c64d26736f3d0ea38755b0456f32e352787c4d98fbadbfa37aff7. 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/6wlThRyC93GEyCVE9AwONd.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/6wlThRyC93GEyCVE9AwONd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5297b935552120050c927077e409cc63f716330b28a780398ce36f6e854a253. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5KGBC8uBy4gKrOADwX5FFF.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/5KGBC8uBy4gKrOADwX5FFF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe33434bf4282dcb9f69429f08620e176889275a3ce1d0f9176633e098f32437. 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/30megonMJTs4e28qLlylPm.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/30megonMJTs4e28qLlylPm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d0f54387b41211bc85d05b283a32b1d85d04075da0ff5a6de1af25435d227ae. 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/1gs3dy86oM8UgyZfoQIeD7.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/1gs3dy86oM8UgyZfoQIeD7.
Con Corazón - Las Baladas De Ayer, Hoy Y Siempre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5297b935552120050c927077e409cc63f716330b28a780398ce36f6e854a253. 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/01ec5u8O8kxuBPU1Zd5XZG.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/01ec5u8O8kxuBPU1Zd5XZG.
{"copyright_id":"0x059dca081aad4438289f20ea40fd3bbb679e8d8ff1e953fd1f8f5e08d9cc1035","isrc":"ES5701701188","name":"Gracias Por La Música","registered_at":"2026-06-20T06:42:32Z","spotify_id":"6qkLzBNqzBOuDfHjf7fyyw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x059dca081aad4438289f20ea40fd3bbb679e8d8ff1e953fd1f8f5e08d9cc1035. 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/6qkLzBNqzBOuDfHjf7fyyw.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/6qkLzBNqzBOuDfHjf7fyyw.
Las Mejores Covers de OT Operación Triunfo