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 0x0f073421b87b9b7d12e90c90c07348af755f5d7256f90e0760c0bb7099e52ac2. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a956fb7e-e3f8-44a5-a929-2cf2fbec9222.json and https://artists.proofprofile.net/proofs/artist/a956fb7e-e3f8-44a5-a929-2cf2fbec9222.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Serie De Coleción "15 Auténticos Éxitos"
Adiós California: Dueto las Palomas vs. Dueto Alma Norteña
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 0x3237e1a226c23b668460f47c9226676392c31ff8710f41fda3de3a8db1d48d73. 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/7jynQ3EPpn0qLiuqebWauI.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/7jynQ3EPpn0qLiuqebWauI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1649d95183bb127d5120dbbefc157ca7ecb15e0050275ceabbb75f025d129a15. 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/5jkAVKa70Pn2H2vQooqIyh.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/5jkAVKa70Pn2H2vQooqIyh.
{"copyright_id":"0x31843f6bc4f494c0dbf596cb4fd27bd1c655c456d1b0d0ca7193f3feef683b47","isrc":"MXF146400241","name":"La Vieja Presumida","registered_at":"2026-06-28T19:27:39Z","spotify_id":"0BRMPyVv0wIF8qgqdGt8o4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31843f6bc4f494c0dbf596cb4fd27bd1c655c456d1b0d0ca7193f3feef683b47. 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/0BRMPyVv0wIF8qgqdGt8o4.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/0BRMPyVv0wIF8qgqdGt8o4.
Tesoros De Coleccion - Dueto Las Palomas
La Gran Colección del 60 Aniversario CBS - Dueto Las Palomas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376683245904b428e1e9b22fd23c331015fa3b6bfbd9b24728d176690cac4fad. 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/25VKNHYYViag1UXblyhfcU.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/25VKNHYYViag1UXblyhfcU.
{"copyright_id":"0xe1eb0cad8d9e7d1a635549b11fbedf96071cbe03ff6ea191eebacbced3c68ef8","isrc":"MXF146100199","name":"La Vieja Presumida","registered_at":"2026-06-28T19:38:14Z","spotify_id":"5lkxQQl6fb5aYLDfAgXTtm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1eb0cad8d9e7d1a635549b11fbedf96071cbe03ff6ea191eebacbced3c68ef8. 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/5lkxQQl6fb5aYLDfAgXTtm.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/5lkxQQl6fb5aYLDfAgXTtm.
{"copyright_id":"0x77508ae0655636cdde985c30effd4c7ba1ffa5620dc55ef5f9289fbce1b115e0","isrc":"MXF146500075","name":"Cariñito de Mi Vida","registered_at":"2026-06-19T09:20:48Z","spotify_id":"1LLaFXRVgJ1D9RGsI54yiM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77508ae0655636cdde985c30effd4c7ba1ffa5620dc55ef5f9289fbce1b115e0. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1LLaFXRVgJ1D9RGsI54yiM.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/1LLaFXRVgJ1D9RGsI54yiM.
Morenita De Mi Vida - (Vengo A Pedirte Un Favor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd310b52c8ebfeea7ca4bc48aec51f119383f2cfbb27721b177180f5d9cae7f24. 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/3mPeZVxBaPM3MpoH2DnNBa.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/3mPeZVxBaPM3MpoH2DnNBa.
Me Hacen Falta Tus Besos - Pensando en Que Te Adoro
Ecos del Palomar Con el Dueto Las Palomas
{"copyright_id":"0xc41e500874d5f3db0c8ae24c0918e4e0d8ce124f2cca324f3f7d9f9faa4270f2","isrc":"MXF018400873","name":"La Tequilera - (Ranchera)","registered_at":"2026-06-25T17:39:39Z","spotify_id":"4JABevaUIBlmtDUOhJKHlX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc41e500874d5f3db0c8ae24c0918e4e0d8ce124f2cca324f3f7d9f9faa4270f2. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4JABevaUIBlmtDUOhJKHlX.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/4JABevaUIBlmtDUOhJKHlX.
Tesoros De Coleccion - -Victor Cordero A Traves De Sus Mas Bellas Canciones Y Sus Mejores Interpretes
{"copyright_id":"0xc41e500874d5f3db0c8ae24c0918e4e0d8ce124f2cca324f3f7d9f9faa4270f2","isrc":"MXF018400873","name":"La Tequilera - (Ranchera)","registered_at":"2026-06-25T17:39:39Z","spotify_id":"7mE9SUBUtmmOmmrA7RIdwH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc41e500874d5f3db0c8ae24c0918e4e0d8ce124f2cca324f3f7d9f9faa4270f2. 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/7mE9SUBUtmmOmmrA7RIdwH.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/7mE9SUBUtmmOmmrA7RIdwH.
Las Grandes Canciones Rancheras que Debes Escuchar antes del Fin del Mundo
Tesoros de Colección - Los Mejores Duetos Rancheros de la Historia
{"copyright_id":"0x77508ae0655636cdde985c30effd4c7ba1ffa5620dc55ef5f9289fbce1b115e0","isrc":"MXF146500075","name":"Cariñito de Mi Vida","registered_at":"2026-06-19T09:20:48Z","spotify_id":"4clFkNDCCjyg70aVqRUv2C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77508ae0655636cdde985c30effd4c7ba1ffa5620dc55ef5f9289fbce1b115e0. 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/4clFkNDCCjyg70aVqRUv2C.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/4clFkNDCCjyg70aVqRUv2C.