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 0xe5f4c9685dc9b1292b1f36fe9e88146452481c7e1c4ed1d1b256b3482d89beae. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8b8953e7-9f62-48fd-ad21-7f3832907256.json and https://artists.proofprofile.net/proofs/artist/8b8953e7-9f62-48fd-ad21-7f3832907256.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Baile Ceremonial de Mi Pueblo No. 12. Música de Guatemala para los Latinos
Valses y Boleros. Música de Guatemala para los Latinos
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 0x91a5b41ed8a71a66fb124247f9007234b9031029a2d0bd5308f2fc92fb67fff1. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GTA010705532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32ae03c14b722423eb03467563fa96e58129e933cfb06c8ddd4edcc066f8ec0d. 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/GTA010705539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36a3a8c71452bb5b9935316fb0eaeb9f73b6ff6357c3bd6261e568cac2926ef5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GTA010705542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6028364643e02e7d6441d62039f1362749192e09c07e70881afcb1861f28c343. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/GTA010705535.
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 0x6a8c7c205233f84e552d5b04c02ba442e28a8e1400588c26f86552e195966a23. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/GTA010705537.
Pentagrama Nacional en Marimba Orquesta. Música de Guatemala para los Latinos
Eterno Amor. Música de Guatemala para los Latinos
De Parrandón Vol. 1. Música de Guatemala para los Latinos
De Parrandon Vol 2. Música de Guatemala para los Latinos
Baile Ceremonial de Mi Pueblo No.7. Música de Guatemala para los Latinos
Baile Ceremonial de Mi Pueblo No. 6. Música de Guatemala para los Latinos
Baile Ceremonial de Mi Pueblo No. 5. Música de Guatemala para los Latinos
Baile Ceremonial de Mi Pueblo No. 3. Música de Guatemala para los Latinos
Baile Ceremonial de Mi Pueblo No. 2. Música de Guatemala para los Latinos (En Vivo)
15 Aniversario a Ritmo de Son. Música de Guatemala para los Latinos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19f06d8b4f087b335f0923c538fd9087d9108b0bf13042d2cd7feae45e139ef5. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:51:27Z), 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/GTA011200184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa81cb3f5c27a1b63ee1f9c1aff25238941df338fe5f2b209187cdfe098d54fef. 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/GTA011200185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf9f7897e1e481bfd4cf114c6b4e93bfe69ec3e546857408f352a333ecb96070. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:51:58Z), 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/GTA011200186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bfa54a21af6eb0d145d4c5613c40f879e5b42f97adb9ffdf06c3dc9167f109e. 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/GTA011200188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf94658cb54f6fcfdd513a910f5bbb6f040f59245357663fe130f20f539a6b8d0. 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/GTA011200194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eab2f81a4120c5fc031a739defc4ad4d28566c20d8e6ce343cbfc7201795710. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/GTA011200181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0e37751c9e92bca4ca7c5de64a6f8c7cd282132ebbbe18f963502824ac72dcb. 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/GTA011200182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5194386ca4e2317144efd32ca9e781205f83d6316374dd8c90a811756a8fbf1e. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/GTA011200183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b09f7fbbaa09feb0822988cd9a14c276dbf6fef3aa76612853eb5d36733ba84. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/GTA011200187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5659608afba655d9fc555a03e11be13dadaab8b3fc850c38d9c96a55c25a1c6c. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/GTA011200189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8da1bece9d09f5d193fa2cec837b807a4f52a50fd973164b5f5a9c7be3def99. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/GTA011200190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725c807803dff9cd438145f090291a0b94e74a756d1ca3a408ed650bc72e1b2d. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GTA011200191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe44c0b7dc9ed46410f7d04e0cbeff59ad41a11f40f97cb24dab1262530ad5e7b. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GTA011200192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49008960505f8cf8669228f3a5070ed777597264c09e7545d2de56b56151bfe. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/GTA011200193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2241792c9910f55c53f929339b9857fa552c6fcd43ef18e0db7791cd3b5593d. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/GTA011200195.
Baile Ceremonial de Mi Pueblo No. 8. Música de Guatemala para los Latinos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5be8a872769f5d3d84082dd212a829e58255a83b7d5c7917b62fcbcc593f20c. 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/GTA011400339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a7b0f12a1620d2817c3e6a93490f7fd0d26739cc8e3b141e52b5b8ffa9d876. Chain 2 (Bitcoin): anchored in block 957211 (2026-07-08T18:28:35Z), 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/GTA011400346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10323d6172ed364f271a3e3eae36300960cd8d848b8ad52c44ade5c33b2a3a07. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/GTA011400347.
15 Años Vol. 2: Música de Guatemala para los Latinos (En Vivo)
Mix de Boleros en Marimba y Saxo: Un Viejo Amor / Lamento Borincano / Como un Perro - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28d914b06dcc04b5dd24301c49e77e6ce6babbae02eb6176aad014e5cd72c9ef. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GTA011402837.
Mix de Sones Ceremoniales: Herencia de Abuelos / Recuerdos de la Abuelita / El Rey Quiche / La Caída del Sol / El Niño del Santísimo - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd772695921964d6f331525148aaf0ec782936bbe13cbd30b26f6986c81da826d. 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/GTA011402841.
Chivamix Ranchero de Chente: Los Mandados / La Derrota / Para Siempre / Me Voy a Quitar de en Medio / Escuche las Golondrinas - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72de5b9a4ab9b152169b283f1e816116972c87ba5bfd69a468be0c5c40e16b0. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/GTA011402855.
La Super Chiva Vol. 1: Música de Guatemala para los Latinos (En Vivo)
World Music Guatemala - Danzas Mayas (Mayan Dances)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754e759c9d3b4d55579f43b879cf023dc0bb24bd47c277d55eac5642a42b090b. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), 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/GTA010703169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67a08fd85bf379c0b5d08b29f6d106bee169dc276abd9c8197c967b0f6f439ac. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GTA010806206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59c297f638086e8c0324fbeec090de412381e7300d2fe5bb91eb791824ab464e. 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/GTA010705815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b87bd64c9b0a66bd234f658be54decf88965482b5c7c38d50a1eed2fc43229b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GTA010704305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a7bb164a75fc1393139ed8c077a2a55102a09e13a5428d22b26ba847ae4c4f. 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/GTA010703161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347e01b0255020696da262cb995f3ef47b39027c5416498ae9cd57dc0a8aba50. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GTA010705241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ca941ecff566a85056e31140cd51ca637a4c14551a394d54268ba3e19ac6e7. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/GTA010703170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ff0c5420df1c166b448bcbddbd9659746408f5c6fd556e280e99c5b3a973a17. 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/GTA010704300.