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 0x8114048e9087deb4f02c69792e2e5c90bc0c295dd48b1dc5cac17f563283088a. 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/b6fec854-b5da-4da7-8d70-8e13f83cfee8.json and https://artists.proofprofile.net/proofs/artist/b6fec854-b5da-4da7-8d70-8e13f83cfee8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x72675b23ee4e50a3089af442ad38054cbff156e9a9eaaa4f3f8d8c6ca572e070","isrc":"USDS10600897","name":"Bachi Polka","registered_at":"2026-06-29T08:12:12Z","spotify_id":"0777eepPaGPrlArSslOGat","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 0x72675b23ee4e50a3089af442ad38054cbff156e9a9eaaa4f3f8d8c6ca572e070. 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/0777eepPaGPrlArSslOGat.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/0777eepPaGPrlArSslOGat.
Hoy Empieza Mi Tristeza - Norteña Version
El Sube Y Baja - En Vivo En Chicago / 2004
Lágrimas De Cristal - En Vivo En Chicago / 2004
El Verde Pinito - En Vivo En Chicago / 2004
En Otros Tiempos - En Vivo En Chicago / 2004
Pasito Duranguense - En Vivo En Chicago / 2004
Las Mismas Piedras - En Vivo En Chicago / 2004
Hoy Empieza Mi Tristeza - En Vivo En Chicago / 2004
Llegando A Zacatecas - En Vivo En Chicago / 2004
La Revolcada - En Vivo En Chicago / 2004
Camino A Tepehuanes - En Vivo En Chicago / 2004
Lino Rodarte - En Vivo En Chicago / 2004
Colonia Hidalgo Durango Querido - En Vivo En Chicago / 2004
Hoy Empieza Mi Tristeza - En Vivo En Chicago / 2004 / Version Norteña
Me Duele Escuchar Tu Nombre - Live Version
La Más Completa Colección (Mexico Version)
Colección Privada-Las 20 Exclusivas (Mexico)
{"copyright_id":"0x24f9e831f0e189cd210e3b103f1b38d1cd589ce1f71efd895512474b08cd95c2","isrc":"USUM70979336","name":"Espero - Album Version Villera","registered_at":"2026-06-28T20:10:54Z","spotify_id":"60AhfACIhI89OnZbfPJmN3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24f9e831f0e189cd210e3b103f1b38d1cd589ce1f71efd895512474b08cd95c2. 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/60AhfACIhI89OnZbfPJmN3.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/60AhfACIhI89OnZbfPJmN3.
La Historia De Los Éxitos (20 Súper Temas)
Ayer, Hoy Y Siempre Con... Grupo Montéz De Durango
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9df98230b5cafbe46aa36ed7a32ea5f3e15998ff4f49f33180141cf773ca9fb. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1RZGgao6KQhseMCT9h16bq.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/1RZGgao6KQhseMCT9h16bq.
{"copyright_id":"0xe23dcda58d9775a5045fbedc0880f5e4feee00ad0477222cadfce76f9b5e7ea3","isrc":"QZDQH2302629","name":"Llorar Quedito","registered_at":"2026-06-05T17:13:08Z","spotify_id":"28T5sAvW2hxS6drU9g9u2g","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe23dcda58d9775a5045fbedc0880f5e4feee00ad0477222cadfce76f9b5e7ea3. 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/28T5sAvW2hxS6drU9g9u2g.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/28T5sAvW2hxS6drU9g9u2g.
{"copyright_id":"0x7f55ac2056b0a8666dabdf934f39023ab57790a04faedee0eb44ecb85772b75c","isrc":"USDS10600491","name":"Cómo Pude Enamorarme De Ti","registered_at":"2026-06-21T21:31:32Z","spotify_id":"2oZUT68NB7oB2YQB3prQeA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f55ac2056b0a8666dabdf934f39023ab57790a04faedee0eb44ecb85772b75c. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2oZUT68NB7oB2YQB3prQeA.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/2oZUT68NB7oB2YQB3prQeA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fef747a4b42b15f43705d79ed4d7622639447f3f0b1ac205886c23733acfeaf. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ptiJypoDEGeOSxE7w894N.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/3ptiJypoDEGeOSxE7w894N.
Puras Pa' Bailar, Vol. 2: Cumbias, Charangas y Punta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc2370b1609e4c9c6c0a33e8a7b83ea737b42fa6725b79eb9aaf99bf263590ef. 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/35ItZbYHrXT2ARzlMzrOyU.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/35ItZbYHrXT2ARzlMzrOyU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9df98230b5cafbe46aa36ed7a32ea5f3e15998ff4f49f33180141cf773ca9fb. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7socoonjNF07IIQzHwtCIR.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/7socoonjNF07IIQzHwtCIR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69a9cbbc214df94da1638e0c3020c8770a8297a0551ef85b25ab63ad80ebb438. 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/27RoXLvt5wTmDsSHly1Rv2.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/27RoXLvt5wTmDsSHly1Rv2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69a9cbbc214df94da1638e0c3020c8770a8297a0551ef85b25ab63ad80ebb438. 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/3qCuJeB14uwEtuSk8ZBWzn.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/3qCuJeB14uwEtuSk8ZBWzn.
{"copyright_id":"0xa89c2ce7b13f78bcd75dae255653661e891de0a9079d0dbd0c32adeebb639bdf","isrc":"QM4TX2419922","name":"El Punto Final","registered_at":"2026-06-27T08:32:00Z","spotify_id":"7cPZd8Hos63S6mHacatIEX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa89c2ce7b13f78bcd75dae255653661e891de0a9079d0dbd0c32adeebb639bdf. 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/7cPZd8Hos63S6mHacatIEX.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/7cPZd8Hos63S6mHacatIEX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1700644402a20ce52fef22e83b636a71732b0e217a8de8a2390aef1391f31a5a. 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/5b66mmynGniazi5FjHr56q.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/5b66mmynGniazi5FjHr56q.
{"copyright_id":"0x003cdfaacc2074bd1fe6337f17fe946a5182e434e759e75a74a48983c8fa742b","isrc":"USDS10600172","name":"Vestida De Color De Rosa","registered_at":"2026-06-20T03:49:20Z","spotify_id":"28RTznmvpJIO3zrpVSSN8E","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003cdfaacc2074bd1fe6337f17fe946a5182e434e759e75a74a48983c8fa742b. 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/28RTznmvpJIO3zrpVSSN8E.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/28RTznmvpJIO3zrpVSSN8E.