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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc48f582862cbe378e33a8dcd38bdcd55412718cf50be99dddf870cddf60ec006. 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/d53b3801-2ea4-4225-b4fe-bb57870fc873.json and https://artists.proofprofile.net/proofs/artist/d53b3801-2ea4-4225-b4fe-bb57870fc873.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74d10fae2ae1817b7aec69c74e449df0e6db4d5d50fad55b857a2e204d1d5e1. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZNJX2131278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ca3a3c5b6ced9dbb0dc9ee699d25ad88e8e6d0e01a5c7cbd7f09c206b604d36. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QZGLM2207780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d4421e4c3fe9ce6e533a5387955821760b494de7dee3a6235e561d8a663973b. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZHZ62224905.
Tributo Costeño No. 1: La Morena, el Nene, la Revolcada, el Zanate, Dame un Pasito
Popurrí de Costa a Costa: Tu Mal Proceder, Soledad, Mi Amigo, Mejor Que Sea para Ti
La Niña del Teléfono, Ojitos Negros, Morenita
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dd6f98db2f39fc17ff9244ba936ac34704ed40f9875713cf12b3a1546b4b987. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZ5AB2359409.
Popurrí Sonidero Costeño: Tus Jefes No Me Quieren, 17 Años, Que Te Vaya Bien (en Vivo)
Popurrí Burro Loco: Arrincónamela, los Diablos, el Burro Loco
Popurrí Romántico: Dame un Beso y Dime Adiós, Volveré
Popurrí Michoacán: Arriba Pichátaro, Juan Colorao
La Yaquesita / El Cuararé / La Hierbabuena
Con la Botella en la Cabeza / El Nene / La Revolcada
El Son de Mochitlán, los Chinelos, Son de la María, el Torito, El - en Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21897b336f86d48ab30b243d3b8d2555d8188038ffae78454b6b2dbb69511795. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZTRX2393023.
Con la Botella En La Cabeza, El nene, La revolcada
Micaela, Camarón Pelao, La Chona (En Vivo)
Popurrí Costeño: Dame un Pasito, Con la Botella en la Cabeza, el Nene, la Revolcada
Popurrí Morenita: La Niña del Teléfono, Yo Vendo Unos Ojos Negros, Morenita
Cumbias Sonideras: Tus Jefes No Me Quieren, 17 Años, Que Te Vaya Bien
Tus jefes No Me Quieren, 17 Años, Que Te Vaya Bien (En vivo)
La Paisana / El Campanero / Cumbia Cienaguera / La Campanera
La paisana / El campanero / Cumbia Cienaguera / La Campanera
Con la Botella en la Cabeza / El Nene /La Revolcada
Aniceto Molina / Yo Solo Bailo / El Campanero / Cumbia Cienaguera / La Negra Campanera
Tributo Costeño No 1: Con la Botella en la Cabeza / El Nene / La Revolcada
La Hierbabuena / La Iguana / San Marqueña
La Boda del Cuitlacoche / Micaela / Arremangala Arrepujala / La Chona
Mi Enemigo el Amor / Yo Ya No Vuelvo Contigo
El Especial / El Ayudante / El Centenario
La Niña del Teléfono / Yo Vendo Unos Ojos Negros / Morenita
Los Tlacololeros / Son de la María / La Malagueña Curreña
Son de la Rabia / La Iguana / Los Apaches
Tributo Costeño: Con la Botella en la Cabeza / El Nene / La Revolcada
Arriba el Chile Frito / Son del Torito / Los Diablos / La Boda del Cuitlacoche
El Cuirricui / El Baile del Tambor / La Negrita del Condesa
Quererte Jamás / La Piedrecita / Tu Nuevo Cariñito
La Hierbabuena / El Burro Loco / La Culebritica / El Taka Taka Ta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e678fea66583ef17f852e855947635bd5d6248ae91365766db497541aefc037. 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/QZNJW2410162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77195cf584aab03f8143df0436985b84a20d2554f8ae7ff59698a360fc6b8d2. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/QZNJW2410163.
Tributo Costeño: Con La Botella En La Cabeza / El Nene / La Revolcada
La Malagueña Curreña / La Boda Del Cuitlacoche / Los Tlacololeros
El Cuirricui / El Baile Del Tambor / La Negrita Del Condesa
El Centenario / El Ayudante / El Señor De La A
Arriba El Chile Frito / Son Del Toro / Los Diablos
Con La Botella En La Cabeza / El Nene / La Revolcada / El Zanate
Quererte Jamás / La Piedresita / Tu Nuevo Cariñito
Tributo a Bertín Gómez Jr: Copa Rota / Quisiera Ser Él / De Usted Depende
El Baile Del Tambor / La Negrita Del Condesa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa0fabb3bf02c0372a775f58a08f81940dada38e693fcde430028af8089d5c1b. Chain 2 (Bitcoin): anchored in block 957640 (2026-07-12T02:27:45Z), 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/QZTPX2402021.
La Hierbabuena / El Burro Loco / Los Tlacololeros
Con la Botella en la Cabeza / El Nene / La Revolcada / El Zanate / Dame
Rosita / Papel Quemado / Me Voy Pa' Carolina
La Cuichi / La Iguana / La San Marqueña / Los Tlacololeros
La San Marqueña / La Boda del Cuitlacoche
Arriba el Chile Frito / El Toro / Los Diablos
Azúcar / Juana la Cubana / La Negra Tomasa
María Teresa / La Vida del Pescador / Arrempujala Arremangala
La Niña del Iphone / Yo Vendo Unos Ojos Negros / Morenita
Arriba el Chile Frito / El Toro / Los Diablos / El Burro Loco
El Cuararé / El Negro de la Habana / La Hierbabuena
Los Tlacololeros / El Rikititiki Triqui Titriki
Arriba el Chile Frito / El Toro / Flor de Piña
La Malagueña Curreña / El Sinaloense / Son de Mochitlán
Quererte Jamás / La Piedrecita / Tu Nuevo Cariño
El Centenario / Laurita Garza / Leña de Pirul
Son de la María / El Baile del Tambor / La Negrita del Condesa
Son de la Rabia / Ilusión 98 / La Culebritica
Tributo Domingo Valdivia: Se Muere / Sincero Amor
Tributo Azul: Rosita / Papel Quemado / Me Voy Pa' Carolina
Son de la Espada / El Novillo / Despuntando
Los Tlacololeros / Rikititiki Triqui Titriki
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0568be3d2fcb1648bb5fb3caa8f11c413d3cd09a692cfef07c14be97d51db20. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/QZW9L2497703.
Son de la Espada / El Novillo / Despuntado
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70174cecca9449c1fce27be97717679dc3f3f6b1bb5464f9680e3c3db52631fa. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:06:57Z), 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/QZW9L2497707.
Son de la Rabia / Ilusion 98 / La Culebritica
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a3ea0086971d366a769a34cfe9d7b05919d02d3215aed79393427c11d7a7b05. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T09:07:50Z), 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/QZW9L2497708.
El Gavilán Colorado / El Sinaloense / La San Marqueña
La Boda del Cuitlacoche / La Calabaza / Micaela / La Chona
Tributo a Bertín Gómez Jr: Copa Rota / Quisiera Ser el / De Usted Depende
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa39568ec79c7aed90432d41910f231b028421958f6fad09c60d364b4fafdc6d1. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/QZMZ92512339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd61730602e28fdc7342846243c8f9db368d143c797ba0877706199b12c3b6c2. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZGLS2560832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fb110e9ed6b9a0c3acc7145a8c125e81a0bcc3a75a378e1df45b66d413b9030. Chain 2 (Bitcoin): anchored in block 958861 (2026-07-20T10:02:52Z), 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/QZNJY2504413.