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 0xae4441d441787f1e149061ffb17b0a2263924e915cca2e9fcba98f3a74704576. 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/90b29dba-1e09-4669-8fef-c7306043364c.json and https://artists.proofprofile.net/proofs/artist/90b29dba-1e09-4669-8fef-c7306043364c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
El Grupo De Los Feos (feat. Airelavaleria)
{"copyright_id":"0xcdc0e4ec17946f451ba4db0810e6fcc2703d5af6b77e81dab134cf80cabedbd2","isrc":"CLGO21500201","name":"Baila como hombre","registered_at":"2026-06-06T13:07:18Z","spotify_id":"1odJLLzz51TQFQErMJN5og","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 0xcdc0e4ec17946f451ba4db0810e6fcc2703d5af6b77e81dab134cf80cabedbd2. 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/1odJLLzz51TQFQErMJN5og.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/1odJLLzz51TQFQErMJN5og.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7802f8fffc740821a2050dd7bc10c40aa7463f8610c216c118fccd10ccc33952. 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/2KKo2adrF8CeJOxFm8tV9C.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/2KKo2adrF8CeJOxFm8tV9C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78dada120b893f2fa4568acf2940e50ab4e1777171727e2af281516fffa407d5. 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/3eMzbNw64k2tGBLB1dU8oD.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/3eMzbNw64k2tGBLB1dU8oD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4480fd387adc1b18cb2e510c7b7aa63a2e709eb685ec8d7422568feb3e8a82f. 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/4y2wagOoMpc5R315w2yrBi.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/4y2wagOoMpc5R315w2yrBi.
{"copyright_id":"0x4eec62ebd39ef320d29d7f6e6d87707ef04e5a85193b07d2fa7490434cf3574a","isrc":"CLGO21500205","name":"Está bien ser lo peor","registered_at":"2026-06-06T13:07:44Z","spotify_id":"5lWxXTRSvVimOc2UbvJTfj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eec62ebd39ef320d29d7f6e6d87707ef04e5a85193b07d2fa7490434cf3574a. 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/5lWxXTRSvVimOc2UbvJTfj.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/5lWxXTRSvVimOc2UbvJTfj.
{"copyright_id":"0xde0fac5a0a2aa94449d57760691a32c0f2ba0b2afb69ffa45d4761f1e0c4e35c","isrc":"CLGO21500206","name":"La ley de la sinceridad","registered_at":"2026-06-22T08:56:24Z","spotify_id":"1YtEahwN1fOw7ZuLirK2jH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde0fac5a0a2aa94449d57760691a32c0f2ba0b2afb69ffa45d4761f1e0c4e35c. 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/1YtEahwN1fOw7ZuLirK2jH.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/1YtEahwN1fOw7ZuLirK2jH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef35c5dc8af014ca76fcc972852d8857757dd54bc5d08946d24b3c2666dae4d3. 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/2qp1Ii0Qop28YGryeFq6AK.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/2qp1Ii0Qop28YGryeFq6AK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae003c23c1fe42a9f1154f757a1488366116b0cd254fac77c4b148944039a54. 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/4zhfAVrX942pWs2dxGlX5L.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/4zhfAVrX942pWs2dxGlX5L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3893c683d550ee97de101570e22b15d16475408137e10dd044a3a5caecacdca6. 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/2UL1uxI9jTYUv4ofteneqa.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/2UL1uxI9jTYUv4ofteneqa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93a0a4c67ee577ef49e5b2cb9c346f4483836102e7ae80e624fe2e18933c47e2. 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/4LSIFX5ZwINMfJA7ozRS5U.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/4LSIFX5ZwINMfJA7ozRS5U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72a994580e7a40184feea0b95ed3e03cb78347008c9601dec044e9288fe55df5. 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/6XgIw2hYg55WmCRjMHJdPH.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/6XgIw2hYg55WmCRjMHJdPH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2e239ff8071d8869052f0fc704643e5fde9cd0079539c45285ebc866644e96d. 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/5gNIp69h35QFolrSLpUUEE.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/5gNIp69h35QFolrSLpUUEE.
El Dolor es un Momento. El Valor. Es la Fogata
La Emoción Es una Entrada (De "Mensajes Privados")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdef674542266be92014010c33999698196a51031d2633212ef9320adb5cf2501. 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/3mlICbcEjieijWu07j504h.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/3mlICbcEjieijWu07j504h.
En el Centro de la Fiesta Está el Vacío, Pero en el Centro del Vacío Hay Otra Fiesta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x824dac766862c7d27febf01969c57436c123628d5b59454ea9af7e08544d60e2. 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/3Q1aJLoZNUlzwLG1L74vJ0.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/3Q1aJLoZNUlzwLG1L74vJ0.