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 0x5503a9b93018b599afc1415245e441beb2d2e7b4119726282294bc829765caba. 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/67b01fad-396c-4d8d-ae42-0761943980cd.json and https://artists.proofprofile.net/proofs/artist/67b01fad-396c-4d8d-ae42-0761943980cd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xc09af86f0990e109bc049611cf70fba1dfedd5ba5760a81aead5d313a4f3156d","isrc":"COC019622490","name":"Cuando Muera Esta Ilusion","registered_at":"2026-06-28T23:05:14Z","spotify_id":"3QqDbsxhUkCChy0mI1IpaK","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 0xc09af86f0990e109bc049611cf70fba1dfedd5ba5760a81aead5d313a4f3156d. 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/3QqDbsxhUkCChy0mI1IpaK.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/3QqDbsxhUkCChy0mI1IpaK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27c122941037f3c10e9d57eca96ae1a72e15d3a8743829e16f1b5ce19f916eb9. 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/0ivjOVcqru0ivGGcNBGUFq.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/0ivjOVcqru0ivGGcNBGUFq.
Mosaico Zon, Pt. 2 - El Amigo Chan / Pica Pica en Carnaval / Dorotea Que Sera de Mí
Mosaico Zon 3: Candelaria / Huelele / Sigo Siendo el Macho
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x412e92a63514e1f78599899109058c21ab458ff12fe9bfa6a5d28b08402ddf4f. 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/5MhPW5HH8rjBYp72ahXsNZ.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/5MhPW5HH8rjBYp72ahXsNZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9263aa42f95b0346159212beaf7548c90a5c014c43781cdd9273e64b18ccdc2. 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/5bSToDcGwi03CSesiDuK0K.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/5bSToDcGwi03CSesiDuK0K.
{"copyright_id":"0x62fd52b48d8b5ac162d79438157883e1ae022fc8b6dc8ca4e8eed307b394544a","isrc":"US7VG1453941","name":"Ya no Le Camino Mas","registered_at":"2026-06-28T23:15:27Z","spotify_id":"2yitLzY4w1HWE4iAjJoiIZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62fd52b48d8b5ac162d79438157883e1ae022fc8b6dc8ca4e8eed307b394544a. 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/2yitLzY4w1HWE4iAjJoiIZ.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/2yitLzY4w1HWE4iAjJoiIZ.
Mosaico Zon V Golero / Tumbando las Flores / Varita de Pescar / No Te Afanes Tanto / Mico Ojón Pelú
La Fuerza del Amor (Concierto Virtual) [En Vivo]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc83a5ed9e30582c336d2024bece512b25e6e8062f2e3c99dc750172321d800fe. 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/651gpbelKJPuvrryMasVhM.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/651gpbelKJPuvrryMasVhM.
Juglares Legendarios, Vol. 5 “La Esencia”
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75fb5412fe68a3c946d33e8e6fb0d26dae901099bde3ad54fb1c0d1592e04743. 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/4B0IDDJ1v8DDo1avDcQ3NJ.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/4B0IDDJ1v8DDo1avDcQ3NJ.
{"copyright_id":"0xe8d6906a4be28b1c0cd79b0aaeaddac96946d2e2d0ee35d5bbfd1bd9505e36b8","isrc":"COC011530562","name":"Los Ay! Ay! Ay!","registered_at":"2026-06-24T09:37:57Z","spotify_id":"03zBvaWwB2PVLRrdmVp83l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d6906a4be28b1c0cd79b0aaeaddac96946d2e2d0ee35d5bbfd1bd9505e36b8. 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/03zBvaWwB2PVLRrdmVp83l.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/03zBvaWwB2PVLRrdmVp83l.
{"copyright_id":"0xdc5a28a8c455eefad6f71c8e268e486b92e91f942edfd37d8d1f33ffc07fd6d5","isrc":"COS010400186","name":"En Nombre de Los Hombres","registered_at":"2026-06-11T04:54:17Z","spotify_id":"3uMJvRMsA9JhTsYQwKQxAY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc5a28a8c455eefad6f71c8e268e486b92e91f942edfd37d8d1f33ffc07fd6d5. 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/3uMJvRMsA9JhTsYQwKQxAY.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/3uMJvRMsA9JhTsYQwKQxAY.
{"copyright_id":"0x91c5a16adb525191d3fccc07faba86d9f9d8fae746b3430691bff28555c02507","isrc":"COUM71700041","name":"Lleno De Sentimiento","registered_at":"2026-06-08T18:57:24Z","spotify_id":"1ppIdCHLXG64hkXzTBd9iz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c5a16adb525191d3fccc07faba86d9f9d8fae746b3430691bff28555c02507. 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/1ppIdCHLXG64hkXzTBd9iz.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/1ppIdCHLXG64hkXzTBd9iz.
Mi Mejor Versión el Concierto Desde el Parque de la Leyenda Vallenata (En Vivo)
{"copyright_id":"0xc40009dbf3826575ec1e9d5d527eb0650b311cef5b3cbb39a8e051c13d5e0bea","isrc":"QZW9M2333663","name":"Lleno de Sentimiento - En Vivo","registered_at":"2026-06-07T12:38:41Z","spotify_id":"3QBQXcDtl9HUBS9CBw0ToP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc40009dbf3826575ec1e9d5d527eb0650b311cef5b3cbb39a8e051c13d5e0bea. 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/3QBQXcDtl9HUBS9CBw0ToP.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/3QBQXcDtl9HUBS9CBw0ToP.
La Zona Ocho (De Colombia Para El Mundo)