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 0x31a13806b3c6eaf84c2a0356974d7674cf70844e06293d13ca84fdcd7dfc830d. 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/e7b92c7d-66fa-468e-a61e-33ee02d198bb.json and https://artists.proofprofile.net/proofs/artist/e7b92c7d-66fa-468e-a61e-33ee02d198bb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xfec73470d330a870bec0e02f9fc30cf773d50e991d7eb0dbe14cc034dfc7c44f","isrc":"MXUM72005934","name":"La Luna","registered_at":"2026-06-29T14:41:23Z","spotify_id":"2QosQHTQhWtJJaxu2GG9B0","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 0xfec73470d330a870bec0e02f9fc30cf773d50e991d7eb0dbe14cc034dfc7c44f. 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/2QosQHTQhWtJJaxu2GG9B0.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/2QosQHTQhWtJJaxu2GG9B0.
Cuando Mueres por Alguien (Version Acustica)
Tu Voz - (Stay On) (Versión Acústica) Nokia Exclusive
Vuela Conmigo - (Your Life) (Versión Remix)
{"copyright_id":"0xf2dcbd8b60f802e6b4eb099b2191d8efc1e1feef6a5c78151732f0d2a44cd64b","isrc":"MXF010900570","name":"Corazón Híbrido","registered_at":"2026-06-29T14:37:02Z","spotify_id":"4IaKQjIc84RkYM0ybo2KA0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2dcbd8b60f802e6b4eb099b2191d8efc1e1feef6a5c78151732f0d2a44cd64b. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4IaKQjIc84RkYM0ybo2KA0.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/4IaKQjIc84RkYM0ybo2KA0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9540fdf56986dc1d4ea0b37b90bb204f7a3c67752fb76c425c50577bf54801. 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/1cgbjiip8HfmeS0X65cMcW.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/1cgbjiip8HfmeS0X65cMcW.
{"copyright_id":"0xf2dcbd8b60f802e6b4eb099b2191d8efc1e1feef6a5c78151732f0d2a44cd64b","isrc":"MXF010900570","name":"Corazón Híbrido","registered_at":"2026-06-29T14:37:02Z","spotify_id":"0ykFamzCQU34ubH6SAkbV1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2dcbd8b60f802e6b4eb099b2191d8efc1e1feef6a5c78151732f0d2a44cd64b. 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/0ykFamzCQU34ubH6SAkbV1.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/0ykFamzCQU34ubH6SAkbV1.
Vuela Conmigo - (Your Life) (Versión Acústica) iTunes Exclusive
Quiero Tenerte - En Vivo Desde Auditorio Nacional /2013
Drama Queen En Vivo (En Vivo Desde Auditorio Nacional/ 2013)
{"copyright_id":"0x741d6738224af28217a0a68baf8b2918f1417aef07ec0b23ea76e8e85997b4d0","isrc":"MXUM71300931","name":"Quiero Tenerte - En Vivo Desde Auditorio Nacional /2013","registered_at":"2026-06-18T10:40:36Z","spotify_id":"21taeT54TI4yVBnS46x4ag","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741d6738224af28217a0a68baf8b2918f1417aef07ec0b23ea76e8e85997b4d0. 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/21taeT54TI4yVBnS46x4ag.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/21taeT54TI4yVBnS46x4ag.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5351b153bf4b76d113e586035040b74c23ff60c5ec7a6fa6295fd0420d5c695f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7fN9rbL2orq2GEGfPV0bVT.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/7fN9rbL2orq2GEGfPV0bVT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5351b153bf4b76d113e586035040b74c23ff60c5ec7a6fa6295fd0420d5c695f. 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/61TgVncAlYhBd5PUeaQW4d.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/61TgVncAlYhBd5PUeaQW4d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29f86462858ff4068c8060398481560fcb258f3df0d48f596d3b369584abbc47. 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/34lo6vNNAE4cTD8YVI5rag.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/34lo6vNNAE4cTD8YVI5rag.
Color Esperanza / Sólo le Pido a Dios - Versión México
Color Esperanza / Sólo le Pido a Dios (Versión México)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9960118606d7b958b78a9e6caac34c42259ba6162344046c494bb65949a8922. 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/6Z48v2xlf3H66cgxz6Rxg3.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/6Z48v2xlf3H66cgxz6Rxg3.
La Vida Es Mejor Cantando / Me Colé en una Fiesta (En Vivo)
90's Pop Tour 4 (En Vivo Desde la Arena Ciudad de México)
{"copyright_id":"0xd10560caf4135dd51e61901b4cce870ee9ad15669745f30f661fc8da28aab788","isrc":"MXD782201017","name":"La Vida Es Mejor Cantando / Me Colé en una Fiesta (En Vivo)","registered_at":"2026-06-06T15:25:24Z","spotify_id":"2gGK0HJJwsmIkBdFs2Neaw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd10560caf4135dd51e61901b4cce870ee9ad15669745f30f661fc8da28aab788. 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/2gGK0HJJwsmIkBdFs2Neaw.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/2gGK0HJJwsmIkBdFs2Neaw.
{"copyright_id":"0x668306c0cb4bd53780a894f0eec92e3a782cd893868bed3f8a9863c0ec61b2a2","isrc":"MXD782201023","name":"Ámame Hasta Con los Dientes (En Vivo)","registered_at":"2026-06-06T09:29:37Z","spotify_id":"4KnqBfcC79RVlBKX11vpcG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x668306c0cb4bd53780a894f0eec92e3a782cd893868bed3f8a9863c0ec61b2a2. 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/4KnqBfcC79RVlBKX11vpcG.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/4KnqBfcC79RVlBKX11vpcG.
{"copyright_id":"0x2496ded2171448fbe05eea5bed781aee66d42354b0644f314fbdb7c52ee6299c","isrc":"MXD782201030","name":"No Quiero Verte (En Vivo)","registered_at":"2026-06-09T16:04:12Z","spotify_id":"0OyGLuNwigrEofHkbhHE9o","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2496ded2171448fbe05eea5bed781aee66d42354b0644f314fbdb7c52ee6299c. 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/0OyGLuNwigrEofHkbhHE9o.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/0OyGLuNwigrEofHkbhHE9o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x210566fece89fc2646108102acae5be8e30a10f9dd39576f504f8f98a6d676a4. 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/5grU1BSjatAfVAah8LOiJQ.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/5grU1BSjatAfVAah8LOiJQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ab5f53c34b97c8be00d77eee917e5a825238657b95e5bbff071036c61ab88d. 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/1H8Z5ImBDC7SZz4j3kqSBw.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/1H8Z5ImBDC7SZz4j3kqSBw.
{"copyright_id":"0x233b73b4858a4c7a5078be9e0229382cad536aa86c66d67cbf1bac98d3b5e2ff","isrc":"MXD782201039","name":"Me Haces Tanto Bien (En Vivo)","registered_at":"2026-06-08T02:11:19Z","spotify_id":"5pQWRcKPP0jXtWyofUwZtP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x233b73b4858a4c7a5078be9e0229382cad536aa86c66d67cbf1bac98d3b5e2ff. 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/5pQWRcKPP0jXtWyofUwZtP.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/5pQWRcKPP0jXtWyofUwZtP.
{"copyright_id":"0xeaa80c96578be4b4d1ece051e156a2abc083f22a41b72a085b4fda2aa81bb3a0","isrc":"MXD782201042","name":"Con Todos Menos Conmigo (En Vivo)","registered_at":"2026-06-06T02:58:47Z","spotify_id":"3z2OgJKGOC3jfaQZ5dAwU6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa80c96578be4b4d1ece051e156a2abc083f22a41b72a085b4fda2aa81bb3a0. 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/3z2OgJKGOC3jfaQZ5dAwU6.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/3z2OgJKGOC3jfaQZ5dAwU6.
{"copyright_id":"0x9a81df4ef8cf0c9a8c885e57bdd7cc5036fac8b33e1d48d94d5d3f554a26e7cd","isrc":"MXD782201044","name":"Malherido (En Vivo)","registered_at":"2026-06-08T18:43:23Z","spotify_id":"1IYUQwr56Q7dAeeDFlW7CX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a81df4ef8cf0c9a8c885e57bdd7cc5036fac8b33e1d48d94d5d3f554a26e7cd. 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/1IYUQwr56Q7dAeeDFlW7CX.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/1IYUQwr56Q7dAeeDFlW7CX.
{"copyright_id":"0x4f6ac7d0fd303dedae88e7cf63ce6e5ef0b8e10d2fa095a31bddf8a45f09e526","isrc":"MXD782201048","name":"Muriendo Lento (En Vivo)","registered_at":"2026-06-07T19:07:58Z","spotify_id":"02L4lhMVVJt5hc3R9ryB0i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f6ac7d0fd303dedae88e7cf63ce6e5ef0b8e10d2fa095a31bddf8a45f09e526. 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/02L4lhMVVJt5hc3R9ryB0i.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/02L4lhMVVJt5hc3R9ryB0i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99816b1e830b81284e6285aa76f27ce28da4bb0f434d371c4df7745491943384. 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/3n6bQjW5rGiTVQ46gofEE9.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/3n6bQjW5rGiTVQ46gofEE9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8593f4c1de6c4a955ff8f20b76c6659ec1068caf162066caf09e20b83d562f9f. 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/20c2OyVk1hfYAWFj7gWk8x.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/20c2OyVk1hfYAWFj7gWk8x.
{"copyright_id":"0x7a52cf1bfc6a11bbcca8308c12b6674eea68fd576302faac3cabf417652c4d22","isrc":"MXD782201058","name":"Si No Es Ahora (En Vivo)","registered_at":"2026-06-08T11:08:50Z","spotify_id":"4mTD7ERNpQ6iAzWWH5c0bq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a52cf1bfc6a11bbcca8308c12b6674eea68fd576302faac3cabf417652c4d22. 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/4mTD7ERNpQ6iAzWWH5c0bq.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/4mTD7ERNpQ6iAzWWH5c0bq.