1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df36bde6703cbe78175d4649a1b6a06cffdba38b1a2b95b93b244b4a6942f17. 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/9f406b10-0b0c-4d9e-a9d8-1c0f22e508f4.json and https://artists.proofprofile.net/proofs/artist/9f406b10-0b0c-4d9e-a9d8-1c0f22e508f4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Reunión 1 : Detalles / Blanco y Negro / La Indiferencia / La Mazucamba / Me Gusta, Me Gusta
La Reunión 2 : Traga'O De Tí / A Escondidas / Obsesión / El Papá De Los Amores / Si o No / Mi Princesa / Te Empeliculaste
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac45e69ea7719c08ff6c197ec2db68d41568266b975b9261c26ec883d8e1f6ea. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA082288117.
Que Dios Te Bendiga - Canción de Cumpleaños
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb38ccfd1c60262e77d7230759386d55d03b21f779a31457e6d7cd582b82802fe. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA082288118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee3e1c0c9758a20230738afb26697ffdff41b40b49724470a1ce795bc12da9de. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452360863.
Si Te Preguntan / Aparentemente / Me Estoy Enamorando / Amores Como El Nuestro / Estamos Solos / A Puro Dolor / Fabricando Fantasías
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x539fe403ed7d372abe82a4d628210f57b5795de72df892f5d66c1721e2885e38. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452331813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb2ba945fd7107523ae8bb71caf82167e27a1933482240fb4b264ee958384f9a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452331810.
Que Le Den Candela / Que Hay De Malo / No me Acostumbro / Vivir Sin Ella / Perdóname / Conciencia / Tu No Le Amas Le Temes / Date Un Chance
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x705136dabed22fb8af38943b1f1b5fffe27619abb0d0d2f442f5baf1bd2a0eaa. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452331811.
Yo No Sé Mañana / Y Hubo Alguien / Quítame Ese Hombre / Te Conozco Bien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9da64e8b3b8b5a7313a5ff94a7d68bdd46df033338248e8a904c3d17b7dfcb74. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452331812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x539fe403ed7d372abe82a4d628210f57b5795de72df892f5d66c1721e2885e38. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452331813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f8baecf629dafa499f8c891f8578e98f6f3d2aa485feb08589e4cd20623a6d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452331814.
La Reunión 5 : La Bailadora / El Amor Más Grande del Planeta / Si Tu Te Vas / Tu Hombre Soy Yo / Un Idiota / Voy a Beber / Nuestro Amor / Mi Celosa Hermosa / Tú Eres Ajena / Borracha (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac45e69ea7719c08ff6c197ec2db68d41568266b975b9261c26ec883d8e1f6ea. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA082288117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0242ef69c774db3cc7332344ba4e73cf7783127d1bf56af1ab9696d0a4f0f32. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052275542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac45e69ea7719c08ff6c197ec2db68d41568266b975b9261c26ec883d8e1f6ea. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA082288117.
La Primera Gran Reunión : Don Juan / Cantinero / Sexy / Mentirosa / Muerto En Choroni / Kung Fu / Cariño Mío / Regálame Un Muack / El Tema / Se Acabó / Báilame - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7133a98ffcf501f76794de04b5c7d16b2a3d6ee2d705b55b8ac90132c354df. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452480961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee3e1c0c9758a20230738afb26697ffdff41b40b49724470a1ce795bc12da9de. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452360863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd66ead41badcf54ec943800bad3e26571bd691612aa8e8551de35ec5074a0715. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452480967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7133a98ffcf501f76794de04b5c7d16b2a3d6ee2d705b55b8ac90132c354df. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452480961.
Las Manias - Black to Tropical (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7133a98ffcf501f76794de04b5c7d16b2a3d6ee2d705b55b8ac90132c354df. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452480961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd66ead41badcf54ec943800bad3e26571bd691612aa8e8551de35ec5074a0715. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452480967.