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 0xf0895e6ffde4ad6a3cc8537c7fd247b739aeac1672640d45af289f2be9169561. 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/48046ee0-3426-42c0-b4fd-b177d8fc159a.json and https://artists.proofprofile.net/proofs/artist/48046ee0-3426-42c0-b4fd-b177d8fc159a.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 0x0863bb2795962a740863ca6bf6ac3e6c1f419f2d46525059f155fedb6cd43b2e. 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/53wVYBeETzzMrZh00gZ6jO.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/53wVYBeETzzMrZh00gZ6jO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ccf80191e2f4ed226999e2f873d6fe4f141f5d372d31025f25c66e34872007. 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/0IMJGMQgNc9wiLXEbgGr00.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/0IMJGMQgNc9wiLXEbgGr00.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6720a8a28b87225026deb3d374c46212e9b0994134d7fe5b2eea28dc54c296ca. 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/6wtlMeKoSyOMtaSNgsKt7O.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/6wtlMeKoSyOMtaSNgsKt7O.
{"copyright_id":"0x36d3c6cc91ccfc057664d3b8a5b28e3a135f794e93121b6f800d011c0c63eec3","isrc":"USUM71015298","name":"De La Calle","registered_at":"2026-06-22T16:23:47Z","spotify_id":"4OaNiyT4WXJDsxALDgfzOM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36d3c6cc91ccfc057664d3b8a5b28e3a135f794e93121b6f800d011c0c63eec3. 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/4OaNiyT4WXJDsxALDgfzOM.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/4OaNiyT4WXJDsxALDgfzOM.
{"copyright_id":"0x081a9fabf3ca44422982aa9deabd47219d6a74bc230a37ffd976da8c91eef46d","isrc":"USUM71015293","name":"Amor Puro","registered_at":"2026-06-09T13:13:29Z","spotify_id":"3EsVguTUkBUPmCN5clRUac","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081a9fabf3ca44422982aa9deabd47219d6a74bc230a37ffd976da8c91eef46d. 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/3EsVguTUkBUPmCN5clRUac.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/3EsVguTUkBUPmCN5clRUac.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0935da4ad413a4f55d7ae5159015cb5a80ac0a46da32e3401d60010e5461f6c. 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/1GZSmNxju9W9E8JbTeDFvc.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/1GZSmNxju9W9E8JbTeDFvc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1dd1e294c598692007016e53b937640ff39ef28c83ab2ad0d43bcf95ef33132. 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/4zK05ecddIq3vfd08Aqi8y.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/4zK05ecddIq3vfd08Aqi8y.
{"copyright_id":"0xa97c2809882c12dcda5a6f16bb5c7084e42a7d9b2cde939cc80dbc54160797c9","isrc":"USUM71015292","name":"Amor A Primera Vista","registered_at":"2026-06-11T23:08:21Z","spotify_id":"4JkdUTrhfv0XaYjDCQtnVS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97c2809882c12dcda5a6f16bb5c7084e42a7d9b2cde939cc80dbc54160797c9. 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/4JkdUTrhfv0XaYjDCQtnVS.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/4JkdUTrhfv0XaYjDCQtnVS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b9ccf3d9b17267caa854be64457d3e8ee9fb641cfc98df073d07aa9dfc3373. 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/4QOxsXh1d1BBTYU3pnJ9tV.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/4QOxsXh1d1BBTYU3pnJ9tV.
{"copyright_id":"0x833c59010f17f74c6b43855040a1bef3fdb9e03da4f076d3a633d6f4d657eb64","isrc":"USUM71015296","name":"Cosas De La Vida","registered_at":"2026-06-20T16:50:47Z","spotify_id":"2BUcEs6wuGtqVoKMQEcbLn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x833c59010f17f74c6b43855040a1bef3fdb9e03da4f076d3a633d6f4d657eb64. 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/2BUcEs6wuGtqVoKMQEcbLn.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/2BUcEs6wuGtqVoKMQEcbLn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71cdf56bcdfa4f656568ec42c99dc3b66b24014e4181fb06c56ba94db878221d. 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/0MK8ziaoUoeRSAqSuZc26k.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/0MK8ziaoUoeRSAqSuZc26k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef4f8a46ecc3a0a5f30ca9bae9044738eea98221c283c93e712c042cc438aefd. 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/0OBRVMdBOFRKVsUtUDiYz2.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/0OBRVMdBOFRKVsUtUDiYz2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38a381718188fb3e9cbb185e894998fc9f95db85e97a4aafc76bb0bad0885157. 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/4kPxQjl9d12EtbhYte5e3j.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/4kPxQjl9d12EtbhYte5e3j.
{"copyright_id":"0x7e5bd42de324445fc218b16c07359b4b81b6ad5a25448b86cc8d8ab1c6daaa8c","isrc":"USUM71014450","name":"La Vida Es Así - Bachata Version","registered_at":"2026-06-07T04:32:24Z","spotify_id":"5s8ylxXNZSDxyE8VmE88Ar","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e5bd42de324445fc218b16c07359b4b81b6ad5a25448b86cc8d8ab1c6daaa8c. 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/5s8ylxXNZSDxyE8VmE88Ar.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/5s8ylxXNZSDxyE8VmE88Ar.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172130eb8629af0288e47e02078294dd1a7103bb43774d31bbfb93e522ff2d2d. 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/4KrNCWx08dZr11kGIUHuuX.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/4KrNCWx08dZr11kGIUHuuX.
{"copyright_id":"0xd7c3d0dbbe2f093f1a562379ada0d6855ef0579701de3358ad186ede72c5f102","isrc":"FR6V80960040","name":"Quitate Tu Pa Ponerme Yo","registered_at":"2026-06-01T14:23:53Z","spotify_id":"16KDdey3vnSBWwqUZoe1cT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7c3d0dbbe2f093f1a562379ada0d6855ef0579701de3358ad186ede72c5f102. 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/16KDdey3vnSBWwqUZoe1cT.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/16KDdey3vnSBWwqUZoe1cT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f88ec4b653b96948c40282251be6c69759208bf5b906043d248b416c8c37161. 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/2vWWy37CDlDlfPipzb4iIX.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/2vWWy37CDlDlfPipzb4iIX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00dc65c75f07343547e0d3c174ae94e5cf4ef2e4ee6007ce1cb8b1725cb0e994. 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/5vQy9fwVJTeLsaX9IOpCcp.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/5vQy9fwVJTeLsaX9IOpCcp.
{"copyright_id":"0xef21a4fb48908dd616fe6b84ff8f52cc36629d7a57c5f9b5870904f8c06cf3b1","isrc":"USJE62001128","name":"Al Escuchar Mi Coro","registered_at":"2026-06-06T12:31:35Z","spotify_id":"6BG5jbLzHobQC9vUdcVbcW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef21a4fb48908dd616fe6b84ff8f52cc36629d7a57c5f9b5870904f8c06cf3b1. 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/6BG5jbLzHobQC9vUdcVbcW.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/6BG5jbLzHobQC9vUdcVbcW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70bfd7f8122aa16f5706230514b5752cfa4d59c97e5b795e62c9e3d453c08452. 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/5MIvhfXI8bRwDuxPK9ou9z.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/5MIvhfXI8bRwDuxPK9ou9z.
{"copyright_id":"0x7cb7c5b01c37aaf143580ae06ce0c43e78ca1a23079aea0ee300d492a47e2218","isrc":"USJE61300991","name":"Amiga No Pienses (feat. Ivy Queen)","registered_at":"2026-06-11T13:21:54Z","spotify_id":"0veuzBG8j8oGnt53jX6rrJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb7c5b01c37aaf143580ae06ce0c43e78ca1a23079aea0ee300d492a47e2218. 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/0veuzBG8j8oGnt53jX6rrJ.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/0veuzBG8j8oGnt53jX6rrJ.
Somos Raperos Pero No Delincuentes - Live
Live 2: Anniversary - Centro de Convenciones
{"copyright_id":"0xf52ca2de4a8aff3a617c2e8bfe0ea640630f8d6b033cc256d093712e96fb8b9c","isrc":"USWL12400615","name":"PRIMER AVISO","registered_at":"2026-06-01T20:52:59Z","spotify_id":"0SSZI2XultTF8VWCHkhJ4T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52ca2de4a8aff3a617c2e8bfe0ea640630f8d6b033cc256d093712e96fb8b9c. 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/0SSZI2XultTF8VWCHkhJ4T.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/0SSZI2XultTF8VWCHkhJ4T.
Amiga No Pienses (Salsa Remix) [feat. Ivy Queen]
{"copyright_id":"0x10d7df68cafd897176769e119e420bca194b8c787f27adcb85551e68c04d5c71","isrc":"USJE61301004","name":"Amiga No Pienses (Salsa Remix) [feat. Ivy Queen]","registered_at":"2026-06-25T22:59:25Z","spotify_id":"1OpSgXZcKvM4PmFWCu2vio","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10d7df68cafd897176769e119e420bca194b8c787f27adcb85551e68c04d5c71. 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/1OpSgXZcKvM4PmFWCu2vio.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/1OpSgXZcKvM4PmFWCu2vio.
Nico Canada Presenta A lo Under, Vol. 1 Perreo Perreo
{"copyright_id":"0xc3fff596461f59bd8c763eb0b2af77bc8abda3fd9e4a04b21afa5a4e92bd6cde","isrc":"US3B90700320","name":"Lo Nuestro Se Fue","registered_at":"2026-06-11T13:49:52Z","spotify_id":"2n50ARvsjTPkT1pi6HBLAm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3fff596461f59bd8c763eb0b2af77bc8abda3fd9e4a04b21afa5a4e92bd6cde. 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/2n50ARvsjTPkT1pi6HBLAm.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/2n50ARvsjTPkT1pi6HBLAm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb419a88b195fa6592c666582a4c1815c1877e7192e7af40df8eab9e2dd5dae43. 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/3MfZUc7hgDho2JTawlVUdR.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/3MfZUc7hgDho2JTawlVUdR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb4ac38bedb2e7d46d176bb2823f9b61f30f753fcf76bb89890b1343171b45be. 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/0nZ7rTmXbhqjVSbKHeoLCr.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/0nZ7rTmXbhqjVSbKHeoLCr.