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 0xf5befbca2a2b2dafa51fc8dcc1ffd56df96f56f440c069ca873bb804b7b95a5a. 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/805cb12b-8781-4bc6-b050-3cd976c0b3f4.json and https://artists.proofprofile.net/proofs/artist/805cb12b-8781-4bc6-b050-3cd976c0b3f4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Himno oficial Carnaval de Málaga por La Mari - La Mari
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 0x8d84276400f615d6ddc06056613182d2aca495662038ac2e152260cd7da3f7fe. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ES18B2303084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5765552cf379d9a0b6e99638d45bb80bf7c0f85731da40016f655e4f8d6804cd. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/ES5088506322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e1d9e1613bdd5bdad8d96a1515411ec7ad0deb6012d0cc225218c98c5d115e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ES5088406299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa8b55adb143413e17673a852b2bb3debfe157c67cfc79acbeac59b5427198f. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/ES5088706363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb444f212bffc6ab0d79ed5efe630fd3bcb16ddf557b3d5a03fcfabc506d2bc04. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T19:11:35Z), 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/ES5088906420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14cbcb607e273ea636452178ed9c09f1d646f1e410d33d1ed16925e587ab1b12. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:29:26Z), 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/ES5088606399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0af434b6388ce407a97fd8881f87468522499fdcb9419a47d5085626fd89dfc. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/ES5088686392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e39e0ce63208dff67c78a1081bf7c484458ef27fee70a7bd991e0a181ed2821. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/ES5088506323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ff477aa9664840f17b6c4ba8c5dd2fd17155c83185483a49b33e4cff811ff0. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ES5088606396.
Que No Nos Falte De Na...Lo Mejor De Cantores
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36cd555c437acd6b7b60b539a337086fbf2d39b0e1ec64fcf31c236166aa6384. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/ES5088906403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28b27fc83c71e9e39bbf880468c51fff663f3ac5b799e8e69479d20e35425aaa. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/ES5088506327.
Suite Íntima de Éxitos (Single): Intro de Cantaré por Bulerías / Cantaré / Libre / Quiero Cruzar La Bahía / Sueño Surrealista [Suite Íntima de Éxitos (II)]
Sevillana En La Mirada (Versión Por Sevillanas Del Tema "Se Te Nota En La Mirada")
Suite Festiva de Éxitos (I): Mis Coplas / Que Vivan Las Sevillanas / Arriapitá / Coplas de Excursión / Micifuz y Robustiana
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1002deab6f1ca3fe31f8bbc9aff5a33aedf59c77a05ff941a9d3300abc5e82fc. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ES5701001272.
Suite Festiva de Éxitos (II): Dirty Press / La Prensa / Harina De Maíz / A Nuestro Aire / Vámonos Pa' Jerez
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29accd0ab6d6e07ca57a82dd7cda0ef61e0280cc2781618158ce3b8d194b03a4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ES5701001273.
Suite Festiva de Éxitos (III): Adelante / El Almuerzo / El Carrusel De La Alegría / El Carnaval De Cádiz / Niña Almería
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e5079d587009cac2311bd6f7dc0d95a5597f05686f0a38d80ad2520b340de66. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ES5701001274.
Suite Festiva de Éxitos (V): La Sevillana Encantadora / Perfiles Morenos / Pueblos Blancos / Tierra Andaluza
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e21181c07d47bdec1fcf392eb6727b0558ede052b2888456faae109c2e31916. 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/ES5701001337.
Suite Íntima de Éxitos (I): El Mundo / La Otra / Quien Iba A Imaginarlo / Por Granada
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x188a4321fcb19cae7da48759adb2845456f808c55957753d39dcb4758f22e02e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ES5701001277.
Suite Íntima de Éxitos (II): Intro de Cantaré por Bulerías / Cantaré / Libre / Quiero Cruzar La Bahía / Sueño Surrealista Copy 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x731194d47a03d265f8db3b6c9012b2908c5cd7112ce0404fd5203db338e3d391. 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/ES5701001338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3872ca5c9c17b8ebdda3f9f7ecfc1fd67ff2149deee75e6e92634858e659dde. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/ES5701001279.
Sevillana En La Mirada - Versión Por Sevillanas Del Tema "Se Te Nota En La Mirada"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa88674a37aab145c9109b928d31a4a7505be7cfd7e5718012438966831f26d69. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ES5701001280.
Odore Feria - Versión Por Sevillanas Del Tema "A Bailar y A Bailar"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf78fdbe6c9406891b4c98aa6627d7ee9733c4b7878e25162ef1fc562a3dcf33. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/ES5701001281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdef95c3c32b44d93f1e1da8743a6d73d4e305517a8764f596a6f5d87e4be18ff. 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/ES5701001282.
Aromas De Sevilla - (Del Rincón Cofrade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26d61db0957ff07d0fac4ae6540d7669286b177d909e981fd68d176c41108836. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/ES5701001283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6abb168a53034a7d9379541ec18c2c04246882364bfa10af2e7f89aebd27b819. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/ES5701001339.
Suite Festiva de Éxitos (Single): La Creación (Vuelo de Los Juglares) / Tócala, Tócala / A Baila Y A Bailar / Sevillanas Por Un Tubo / Que No Nos Falte De Ná
La Alegría De Las Sevillanas I : Obertura, El Coplero, Lo Tire Al Pozo, La Señorita Primavera, Lebrijanas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903fdd85127b49b618870f6f7978a55ab51f85d60a234f824e2e5546471dcad8. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T05:51:16Z), 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/ES5701100820.
La Alegría De Las Sevillanas III: Pasa La Vida / Candela / Los Andaluces / De Pata Negra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e5aeaed028ed753046481c5a018ae717ebc8cf10b53916326ff5bcfe44a9163. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/ES5701100821.
La Alegría De Las Sevillanas IV: Añoranzas Sevillanas, Vamos Andando, Yo Tengo Unos Palillos, A La Puerta De Toledo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fb9f7b7914fc3bf8a690e821da839e4ee0cc6da3866758aae1d0238a0563ba1. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/ES5701100823.
La Melancolía De Las Sevillanas II: Voy A Olvidarme De Ti, Dalila Infame, Gente Güena, Fue Tu Querer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xece0e5e26b9a104f8631a1fc6f69398b35030aff2ff516b85f42dd4dba445972. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/ES5701100833.
Cinquillo De Coplas Nuevas: Danzas De Amores / Sabor A Primavera / Viva La Madre De Dios / Tesoro De Coplas / Huelva Te Quiero / Pinceladas Cofrades
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa89f9197412fbaebc5565e6219aea3717950b6923accd472861b645287f5e1b8. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/ES5701100835.
Vamos a la Feria con Cantores de Híspalis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa88674a37aab145c9109b928d31a4a7505be7cfd7e5718012438966831f26d69. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/ES5701001280.
La Alegría De Las Sevillanas VII: Llévatela / El Desamor / Por El Río / La Luna Que Yo Miro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa4d5c62e3d65ab38a6f5d21367f9f0222c2746fdf9ca0876c25791a22b1421f. 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/ES5701100826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d1a248742f709f9bb82e4467cebfa799735ca127a0b0d4df576a6481b96ae0b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ES5080600818.