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 0x46f7ebb62a2071b35c8f3785d5ec706e5f925564d39e0e7d9fd597e254112f49. 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/63fedd69-9abe-4350-9e0a-c27cd7bf9ca3.json and https://artists.proofprofile.net/proofs/artist/63fedd69-9abe-4350-9e0a-c27cd7bf9ca3.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 0x074546a161f12e0ed4f6f60b915be3336023e0989460a0b1e744ab571588dbb2. 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/29QkpKsdxiChq3xsmu5VDG.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/29QkpKsdxiChq3xsmu5VDG.
{"copyright_id":"0xa9f933025a8ebd185dd12c93f2af03b990510f970335d8acc56a2520ef03b59a","isrc":"QZTPX2311091","name":"Cumbia y Cerveza","registered_at":"2026-06-06T23:07:09Z","spotify_id":"29NOUJCryPob2OT7mvBAqY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9f933025a8ebd185dd12c93f2af03b990510f970335d8acc56a2520ef03b59a. 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/29NOUJCryPob2OT7mvBAqY.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/29NOUJCryPob2OT7mvBAqY.
{"copyright_id":"0xa5c34f2d11cb70c924d8c767aecfded13471aae3ba7ee142fcad1cfdc46d961a","isrc":"QZMZ92483944","name":"Tu No Eres un Angel","registered_at":"2026-06-04T07:57:50Z","spotify_id":"2bPbSsqc0Jgm0mmF8S2kkb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5c34f2d11cb70c924d8c767aecfded13471aae3ba7ee142fcad1cfdc46d961a. 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/2bPbSsqc0Jgm0mmF8S2kkb.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/2bPbSsqc0Jgm0mmF8S2kkb.
{"copyright_id":"0xe4edba1cd70ba7d628bc9966628fd4f0a777251538bbf0f78bf2a540e7fe7264","isrc":"QMDA72213111","name":"Me Vas a Extrañar","registered_at":"2026-06-08T02:08:05Z","spotify_id":"53ZsIwmRCpuHcRg6qK3GPi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4edba1cd70ba7d628bc9966628fd4f0a777251538bbf0f78bf2a540e7fe7264. 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/53ZsIwmRCpuHcRg6qK3GPi.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/53ZsIwmRCpuHcRg6qK3GPi.
ZAPEROKO La Resistencia Salsera del Callao
{"copyright_id":"0x29732efe5c80165985fa70315cb4d097967874cbf425a09fe04a6774c49b55ef","isrc":"QZHZ52062532","name":"Resistiré, la Salsa Nos Une","registered_at":"2026-06-04T15:34:12Z","spotify_id":"6Ucb5hwO3PutBdhdK2rubd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29732efe5c80165985fa70315cb4d097967874cbf425a09fe04a6774c49b55ef. 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/6Ucb5hwO3PutBdhdK2rubd.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/6Ucb5hwO3PutBdhdK2rubd.
Intro 51 Aniversario - Mix Valentina - En Vivo
3 Noches en el Estadio Nacional (En Vivo)
{"copyright_id":"0xc82885f2cb966842a1b24720796c82a0a8a1d9e72ffd0256fde22ecf623a5bff","isrc":"QZGLM2572412","name":"Intro 51 Aniversario - Mix Valentina - En Vivo","registered_at":"2026-06-07T12:41:31Z","spotify_id":"6QnoeOuiI6lH14UK5SADUK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc82885f2cb966842a1b24720796c82a0a8a1d9e72ffd0256fde22ecf623a5bff. 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/6QnoeOuiI6lH14UK5SADUK.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/6QnoeOuiI6lH14UK5SADUK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x482d9af65289924e1422aea9c270229910f425b873781c07a49039b635feb288. 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/6rrd2clgHKwYM5DfhC3yT6.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/6rrd2clgHKwYM5DfhC3yT6.
{"copyright_id":"0xa24347ad0519eef532b397bf8c67ccae54dbf7b02700683b5e450273986ff10e","isrc":"QZGLM2572414","name":"Tu No Eres un Angel - En Vivo","registered_at":"2026-06-07T06:47:06Z","spotify_id":"5JcBgmRghl5EakAQ2MqOWI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa24347ad0519eef532b397bf8c67ccae54dbf7b02700683b5e450273986ff10e. 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/5JcBgmRghl5EakAQ2MqOWI.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/5JcBgmRghl5EakAQ2MqOWI.
{"copyright_id":"0x3dcfe1e953b520fcf9d498610e9bb6f9a1870bede8f638fd26cc444f9befdb1f","isrc":"QZGLM2572415","name":"Parranda La Negrita - En Vivo","registered_at":"2026-06-08T11:10:45Z","spotify_id":"0CFMd9OyH9vNBQWw6kt8im","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dcfe1e953b520fcf9d498610e9bb6f9a1870bede8f638fd26cc444f9befdb1f. 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/0CFMd9OyH9vNBQWw6kt8im.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/0CFMd9OyH9vNBQWw6kt8im.
{"copyright_id":"0xb87c78e01fd211cf81b0bbaa6c8ff96cb8b300b5e6620b32f883260a0b0c7ad0","isrc":"QZGLM2572416","name":"Mix Ráfaga - En Vivo","registered_at":"2026-06-07T06:48:17Z","spotify_id":"5XaEYg5Jjz4KH08yygKByL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb87c78e01fd211cf81b0bbaa6c8ff96cb8b300b5e6620b32f883260a0b0c7ad0. 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/5XaEYg5Jjz4KH08yygKByL.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/5XaEYg5Jjz4KH08yygKByL.
{"copyright_id":"0x4995ca5d10cae04092fa62e62e5ade0e2125b1df17d96998bc168ae21dd844f1","isrc":"QZGLM2572417","name":"Yo Te Quiero - En Vivo","registered_at":"2026-06-07T12:40:33Z","spotify_id":"7fqrqAvem9vZaE2qsNV72Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4995ca5d10cae04092fa62e62e5ade0e2125b1df17d96998bc168ae21dd844f1. 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/7fqrqAvem9vZaE2qsNV72Y.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/7fqrqAvem9vZaE2qsNV72Y.
Mix Costeñita – Mix Chulla Vida - (En Vivo)
{"copyright_id":"0xe0db6980a94a7696c815e142a291578f4985353acec4e84f36ac779c09084a5f","isrc":"QZGLM2572418","name":"Mix Costeñita – Mix Chulla Vida - (En Vivo)","registered_at":"2026-06-08T01:05:43Z","spotify_id":"6cDfkyab92s7Mm2hK2HGZn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0db6980a94a7696c815e142a291578f4985353acec4e84f36ac779c09084a5f. 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/6cDfkyab92s7Mm2hK2HGZn.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/6cDfkyab92s7Mm2hK2HGZn.
{"copyright_id":"0xe34683fb32f78d360b3e3ccef778ee0950925543282b87032c0645c756b0985d","isrc":"QZGLM2572419","name":"Tributo a la Salsa Colombiana - En Vivo","registered_at":"2026-06-07T19:04:25Z","spotify_id":"36jo9xxpL5QpREuKpHu2o6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34683fb32f78d360b3e3ccef778ee0950925543282b87032c0645c756b0985d. 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/36jo9xxpL5QpREuKpHu2o6.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/36jo9xxpL5QpREuKpHu2o6.
Tributo a la Cumbia Colombiana - En Vivo
{"copyright_id":"0xb61b9b9bfc0c52687b81a8d882430b83ba26aa9379755b47f0c500a2e5572b8d","isrc":"QZGLM2572420","name":"Tributo a la Cumbia Colombiana - En Vivo","registered_at":"2026-06-07T06:45:24Z","spotify_id":"3iPxDeskxESRwykapn5knI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61b9b9bfc0c52687b81a8d882430b83ba26aa9379755b47f0c500a2e5572b8d. 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/3iPxDeskxESRwykapn5knI.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/3iPxDeskxESRwykapn5knI.
Motor y Motivo - El Teléfono - Apostemos Que Me Caso - En Vivo
{"copyright_id":"0x1ab68d4ae8316bb2603d2179f81fdee162651feb047172bf635fedff203fc11b","isrc":"QZGLM2572421","name":"Motor y Motivo - El Teléfono - Apostemos Que Me Caso - En Vivo","registered_at":"2026-06-08T17:40:48Z","spotify_id":"1LUMMLmsyZQSSHMcy43qpk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ab68d4ae8316bb2603d2179f81fdee162651feb047172bf635fedff203fc11b. 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/1LUMMLmsyZQSSHMcy43qpk.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/1LUMMLmsyZQSSHMcy43qpk.
Amor Vuelve - Pegame Tu Vicio - Ajena - En Vivo
{"copyright_id":"0x815d301773e04c07cb737a8cea0f9392dca5697ef47e8d847222d524f17a5e72","isrc":"QZGLM2572422","name":"Amor Vuelve - Pegame Tu Vicio - Ajena - En Vivo","registered_at":"2026-06-08T11:08:22Z","spotify_id":"4bwJOP1ZfmKsoU5bLdPfeI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x815d301773e04c07cb737a8cea0f9392dca5697ef47e8d847222d524f17a5e72. 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/4bwJOP1ZfmKsoU5bLdPfeI.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/4bwJOP1ZfmKsoU5bLdPfeI.
Con La Misma Moneda - El Casorio - En Vivo
{"copyright_id":"0x60e29c5523537abccf1b387d2f2f8a0d6fbde93c1e91c074883d9f3dbdfb418c","isrc":"QZGLM2572423","name":"Con La Misma Moneda - El Casorio - En Vivo","registered_at":"2026-06-08T02:14:38Z","spotify_id":"0s4921z97D3m5Khn9BIjNT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e29c5523537abccf1b387d2f2f8a0d6fbde93c1e91c074883d9f3dbdfb418c. 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/0s4921z97D3m5Khn9BIjNT.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/0s4921z97D3m5Khn9BIjNT.
{"copyright_id":"0x6bf2203b12fd1557ce0cb3779321785bb300db1fec19113581cbe9aa1b0bc17a","isrc":"QZGLM2572424","name":"Adios Amor - En Vivo","registered_at":"2026-06-08T02:10:53Z","spotify_id":"6RLlVJOhiKGsnG7z1HitIV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bf2203b12fd1557ce0cb3779321785bb300db1fec19113581cbe9aa1b0bc17a. 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/6RLlVJOhiKGsnG7z1HitIV.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/6RLlVJOhiKGsnG7z1HitIV.
{"copyright_id":"0xb6c24ac3bb7f0cb7e5a63afcdd687fc4dab9e7707148d73ec1d4e492cf521ab9","isrc":"QZGLM2572425","name":"Mix Elsa - Mix Meti Mi Pí - En Vivo","registered_at":"2026-06-09T06:43:43Z","spotify_id":"3FyJbkr3nf01LXPZIuTgN2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6c24ac3bb7f0cb7e5a63afcdd687fc4dab9e7707148d73ec1d4e492cf521ab9. 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/3FyJbkr3nf01LXPZIuTgN2.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/3FyJbkr3nf01LXPZIuTgN2.
{"copyright_id":"0x4ca453c74626fef82ec47d0110f0562a2a8785d3bad10ae920e21fc7dcb2b28f","isrc":"QZGLM2572426","name":"Soy Soltera - La Culebritica - En Vivo","registered_at":"2026-06-08T11:06:32Z","spotify_id":"0NB8wHoF3l7zVxr7QxrCEU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ca453c74626fef82ec47d0110f0562a2a8785d3bad10ae920e21fc7dcb2b28f. 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/0NB8wHoF3l7zVxr7QxrCEU.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/0NB8wHoF3l7zVxr7QxrCEU.