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 0xe5c43db879e6d17fe0be59aa617e138c98bc4fcca7c4dfa453f870117f8ec845. 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/e446aebf-7f7c-4fd8-8773-3ad5651fd298.json and https://artists.proofprofile.net/proofs/artist/e446aebf-7f7c-4fd8-8773-3ad5651fd298.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x2df317b1f4bdc505e88d8cd75fe2c5fe8b81762f69d5b71adeeda090bcaae0a8","isrc":"QM6DC1994703","name":"Muerto En Vida","registered_at":"2026-06-07T22:51:28Z","spotify_id":"6HwJi6qg6L8MpPKqft3W6R","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 0x2df317b1f4bdc505e88d8cd75fe2c5fe8b81762f69d5b71adeeda090bcaae0a8. 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/6HwJi6qg6L8MpPKqft3W6R.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/6HwJi6qg6L8MpPKqft3W6R.
{"copyright_id":"0xed29ef402865de1592aea93baa1f14b9f815b0ef53eb115ba665b227edfac238","isrc":"QM6DC1994704","name":"Yo Comence La Bromai","registered_at":"2026-06-22T11:38:27Z","spotify_id":"05ew4GeAVH9yYD1XG7rpVH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed29ef402865de1592aea93baa1f14b9f815b0ef53eb115ba665b227edfac238. 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/05ew4GeAVH9yYD1XG7rpVH.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/05ew4GeAVH9yYD1XG7rpVH.
Yo Comencé La Broma (I Started The Joke)
Yo Comencé La Broma (I Started The Joke) Con Banda
{"copyright_id":"0xe6ec8008e424477c953e55922ed4186c4407972602fd337e3ec9ded85d5296f6","isrc":"QM6DC1876354","name":"El Viento, La Brisa y tu Recuerdo","registered_at":"2026-06-21T12:16:36Z","spotify_id":"4MUo3uMUxmehV6MQKCXRIE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ec8008e424477c953e55922ed4186c4407972602fd337e3ec9ded85d5296f6. 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/4MUo3uMUxmehV6MQKCXRIE.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/4MUo3uMUxmehV6MQKCXRIE.
Aunque mal paguen ellas a dueto con Jose luis Gazcon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d39a58faa93509e83c86fc884b4429be0e03b11e68feea50ebadfa55b4e6118. 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/3R057lXPME4s0iiUibptOp.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/3R057lXPME4s0iiUibptOp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061da149622eb39a36e51342701d89f4e4474339c47850cca98489323fec316c. 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/1iusW4aaB7iaGIQXQYBsrh.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/1iusW4aaB7iaGIQXQYBsrh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefdba6a4d7b04e8b26f059a62f98122a8e7e4a8d60c455c1c5ce8fe18667a810. 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/3tAmQ02p16C41A21Huds67.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/3tAmQ02p16C41A21Huds67.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5eeee1ed256cbb6a2b92a2e7d67ff8a4013e5b809de31cde92acfe74c70dfb. 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/4fRiVwMToR1W1DENpsGpj6.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/4fRiVwMToR1W1DENpsGpj6.
{"copyright_id":"0xa63842ceb8a4714b7f984aec60c4ba2f2de6ae657e9e17ea76f2a4aaf0136f06","isrc":"QM6DC1531043","name":"Cariño Mio","registered_at":"2026-06-26T03:57:21Z","spotify_id":"6cPntAQTZ688W44XYSwphd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa63842ceb8a4714b7f984aec60c4ba2f2de6ae657e9e17ea76f2a4aaf0136f06. 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/6cPntAQTZ688W44XYSwphd.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/6cPntAQTZ688W44XYSwphd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x529f6ffd8d97ec4d18b1fd41f329824414cfc836a886649b17596412e4d84539. 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/4EZURyX53pNSVCi4ak18Jg.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/4EZURyX53pNSVCi4ak18Jg.
El Viento, La Brisa y Tu Recuerdo (En Vivo)
{"copyright_id":"0x077cfd14da8bc27b817da1b548e1f06d8f0421061a77b8f48a16d92830eacf0b","isrc":"QM6DC1548663","name":"Me Tengo Que Ir","registered_at":"2026-06-26T03:59:27Z","spotify_id":"3cWkeV2iKrTz1jyYSgJsFO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x077cfd14da8bc27b817da1b548e1f06d8f0421061a77b8f48a16d92830eacf0b. 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/3cWkeV2iKrTz1jyYSgJsFO.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/3cWkeV2iKrTz1jyYSgJsFO.
{"copyright_id":"0x9a505b630b6c6e1abdc2757203c898874e65ee2fce857f1eb105bbc4eaae0435","isrc":"QM6DC1546829","name":"Y Si Te Quiero","registered_at":"2026-06-10T22:43:49Z","spotify_id":"3kwRBYx1SUgQdrYHppLgzs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a505b630b6c6e1abdc2757203c898874e65ee2fce857f1eb105bbc4eaae0435. 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/3kwRBYx1SUgQdrYHppLgzs.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/3kwRBYx1SUgQdrYHppLgzs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3197a5ac521462cfa0f7f851586676aab6898aae30a9c4e199361765533a21. 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/042LuNxar45neBuQ63z0Qy.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/042LuNxar45neBuQ63z0Qy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x570c844c4204b6ef2357ff09c262c6f6820a826c598aea0d149badcbc78578ad. 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/1Hhx23mnUNzMO6ZzH6hVv0.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/1Hhx23mnUNzMO6ZzH6hVv0.
{"copyright_id":"0x7d51eac7f44c6e1f10c44579a80eaa090286cbf98ad9f3e4fea4c2287078fc43","isrc":"QM6DC1546799","name":"Y Si Te Quiero","registered_at":"2026-06-04T10:27:14Z","spotify_id":"2RptQMHFiUxm2gog7tz8xF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d51eac7f44c6e1f10c44579a80eaa090286cbf98ad9f3e4fea4c2287078fc43. 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/2RptQMHFiUxm2gog7tz8xF.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/2RptQMHFiUxm2gog7tz8xF.
{"copyright_id":"0x5eb5efbd2ec1d0dfeb180090af2b3a7f0ba540f7ce2d1f4df018d60794c655f3","isrc":"QM6DC1546804","name":"La Rosa","registered_at":"2026-06-04T14:35:20Z","spotify_id":"0lfIcgSGAfvgkpwva1GRm7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb5efbd2ec1d0dfeb180090af2b3a7f0ba540f7ce2d1f4df018d60794c655f3. 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/0lfIcgSGAfvgkpwva1GRm7.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/0lfIcgSGAfvgkpwva1GRm7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb277527e3f1714402a6a7209dfe7d081b76b1edf51dbcdaf54894c0150183cae. 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/547TQcvYXpFg4Mtl2LqEMF.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/547TQcvYXpFg4Mtl2LqEMF.
{"copyright_id":"0xb162252fb8aa5b23e2ba528905c3f343115b43a74326432ea2f567bf3e3cccb3","isrc":"QM6DC1726362","name":"El Viento, La Brisa y tu Recuerdo","registered_at":"2026-06-08T15:29:32Z","spotify_id":"1gLdkOduqpWHsNZDedL2Kj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb162252fb8aa5b23e2ba528905c3f343115b43a74326432ea2f567bf3e3cccb3. 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/1gLdkOduqpWHsNZDedL2Kj.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/1gLdkOduqpWHsNZDedL2Kj.
{"copyright_id":"0xbd6617dc1f1ec5fe3b1a3e2a7cf7119fb8f95730cc0f6ed4262646dbdbff5e96","isrc":"QM6DC1726366","name":"Y si te Quiero","registered_at":"2026-06-25T00:18:06Z","spotify_id":"0eBQjfXg1w2nBJxBRbTMYd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd6617dc1f1ec5fe3b1a3e2a7cf7119fb8f95730cc0f6ed4262646dbdbff5e96. 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/0eBQjfXg1w2nBJxBRbTMYd.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/0eBQjfXg1w2nBJxBRbTMYd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac5137eb4e8263f2bb89f4e2e56dba4ba8e5a355473d8f90f85fbe237521dcd9. 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/6rmFVsfK3iiZ6rhcLFD9Rk.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/6rmFVsfK3iiZ6rhcLFD9Rk.
{"copyright_id":"0x2c32d7979dbad09e556512672bed9cdc6abdea3e7b7621c3cf8cc3300f931615","isrc":"QM6DC1547694","name":"Quiero Saber De Ti","registered_at":"2026-06-22T11:37:35Z","spotify_id":"2OmWWd0BCXNagJGuNiC8rp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c32d7979dbad09e556512672bed9cdc6abdea3e7b7621c3cf8cc3300f931615. 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/2OmWWd0BCXNagJGuNiC8rp.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/2OmWWd0BCXNagJGuNiC8rp.
{"copyright_id":"0x8dc3566a76729c092301404d77b83515bbe49fc7e775d91fd59b01512ef2a1c8","isrc":"USCSG0520902","name":"El Viento, la Brisa y Tu Recuerdo","registered_at":"2026-06-20T13:56:36Z","spotify_id":"7r7EPvHUUyYozQurIEeIa5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dc3566a76729c092301404d77b83515bbe49fc7e775d91fd59b01512ef2a1c8. 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/7r7EPvHUUyYozQurIEeIa5.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/7r7EPvHUUyYozQurIEeIa5.