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 0xa23648574ff7798ce1f643115b7543dc749e16e6083cadb0c292efe84f4e6fe1. 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/4122eec6-0860-4047-ab3d-8b0d1de4ab16.json and https://artists.proofprofile.net/proofs/artist/4122eec6-0860-4047-ab3d-8b0d1de4ab16.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 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 0xff72f9a04369b3b48fab23260511f2601d38b6b7d3dcbec31576d1338bb3e756. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/MX3151200007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1de1cc1e777fc772c512cc24dc9ba21c4e6f1ed988e753d3058bffe3925656f. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/MX3151200008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71d11cdf3092b48948e0f7e0227fb87d27afdf48842d2bc00f1c669c020ad5cc. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/MX3151200009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda95db36ad9f9d5b02b68237f29dbd393f67608176e1fa20cf4746eaa86510df. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/MX3151200015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5225ef676b8f1f74eba84d5a642af55d0d28b8b020e247756688eff4a87ecce5. 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/MX3151200016.
Danny Frank Y La Nueva Generacion De La Salsa
Danny Frank Boleros de Oro de la Sonora Matancera
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x859854374e79ce6be919f69579f385750e0a0d5f97262bd6c8beb709e9885baf. 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/MX3151900012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabafc532e92780d37d17dd26013b8c31b85fd161d917ce9b0c404cf30b90e982. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/MX3151900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x200327bf2111cadcc05f191a7213902866fd7f373f8d4ddf7b5e07593660b4ce. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/MX3151900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08d961284aa321bb2c31835cd317589d61e4ee1c5deaa866f5cc39758e3b5c37. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T16:17:58Z), 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/MX3151900007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf70154377727400004ceac6f89ea8580654b83755d5e7259c41cd84426bd25aa. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/MX3151900009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0153e7bccfa88c0000d049a1b5304583246d56098a3b796d7b265b4243fab9. Chain 2 (Bitcoin): anchored in block 959089 (2026-07-22T02:17:57Z), 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/MX3151900011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcbe5187db6fc4f2a6bacd279b1ecdb8f162b10d87059b50fa360a91919bb1da. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/MX3151900015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7a8feebac5061de73902da163c3f494bff9d669df6c305442f4dd9aaa446782. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/MXD781905140.
Danny Frank en Vivo Foro 18·69 CDMX (Concierto en Vivo el 14 de Febrero del 2020 Celebrando Amor y Amistad)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ac833f54bfd2b7817eebdb647de56d56f3f7a4a260bff3d0524d16b065f4c78. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/MXD782001615.
Éxitos a Mi Manera, Vol.2 (Remasterizado)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde39f35a785f6810fca4b843b6d3ebc089a9dcd937c094fba021832ff85e93e8. 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/MXD782101261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58fe02e59383897ba6615772fec7fb54c1fb3468a44fee4212950b93e13a62b0. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), 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/MXD782101262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed4e64dc7150f59cd6bb63cb1033d279545bd9b8cba95ac54c6eb29be169cc27. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/MXD782101268.
Exitos a Mi Manera, Vol. 3 (Remasterizado 2021)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46cdffcc8c83c4197fa7cf86e9ebe397ed3c485fcfbadcbc444623136748d259. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/MXD782200949.
El Negrito del Batey Y La Mama Y La hija (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f57025e557871900ab8007fbfb1435d2be4392ba584e70ce45107a0e7b0e4f9. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/MXD782301925.
100 Años De La Sonora Matancera (En Vivo)
100 Años De La Sonora Matancera, Vol. 2 (En Vivo)
Sírvalo Pues (En Vivo Teatro Metropolitan CDMX)
Desvelado (En Vivo Teatro Metropolitan CDMX)
Para Decir Adiós (En Vivo Teatro Metropolitan CDMX)
Para Decir Adiós - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb8fccd4ba9572a4d168d9eefc5a030a1196fdcf2975b5a4ccdbc4129adf5535. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/MXD782402284.
Para Decir Adiós (En Vivo Teatro Metroplitan CDMX)
Un Hombre Normal (En Vivo Teatro Metropolitan CDMX)
Basta (En Vivo Teatro Metropolitan CDMX)
Basta - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02a666b6c30fb61616276af6379de01540edfe06022a1e81e170acc039bef7cc. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/MXD782402451.
La Cadenita (En Vivo Teatro Metropolitan CDMX)
Olvídame Y Pega La Vuelta (En Vivo Teatro Metropolitan CDMX)
Olvídame Y Pega La Vuelta - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4ae1c9c0452f7e15f3302642873e2d2e72e583349b82dda55c709868eeebce. 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/MXD782402590.
Piel Canela / Todo Me Gusta De Ti / En La Orilla Del Mar / Sin Pensar En Ti (En Vivo Teatro Metropolitan CDMX)
Medley - Vendaval Sin Rumbo / Por Dos Caminos / Historia De Un Amor (En Vivo Teatro Metropolitan CDMX)
Danny Frank En Vivo Teatro Metropolitan CDMX (Vol. 2 Boleros)
Piel Canela / Todo Me Gusta De Ti / En la Orilla Del Mar / Sin Pensar En Ti - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x991057b7847d515f1cc077443aeec9a95056abaa32cc8de27aad4a6df213ff90. 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/MXD782403105.
Vendaval Sin Rumbo / Por Dos Caminos / Historia De Un Amor - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7ab0f15b22b637a24e71835405c1191811beb405728ba4b8abc91da4d66e447. 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/MXD782500411.
Para Decir Adios - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb8fccd4ba9572a4d168d9eefc5a030a1196fdcf2975b5a4ccdbc4129adf5535. 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/MXD782402284.
Olvidame y Pega - En Vivo Teatro Metropolitan CDMX
Contigo Aprendi - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04fe693a8768bfcf8bcbd2ddf1400835761b52bc4a8d0a7825bccee8203b35ac. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/QM7282528880.
Cuando Pienso en Ti - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e47985dd8e5d170fcd480c38351127ad04268b15e946d2147e991a8a34452a1. 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/QM7282528881.
Remolino - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca6ae8d226ef2afa8b329ca7e7c4bb7a085ff7d3ca530beb122dfe1ba29b160c. 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/QM7282528882.
Yo Lo Comprendo - En Vivo Teatro Metropolitan CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef812343abdb171ba467bdf334770cdca2f58a45ea182136f7d406d8d70494b. 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/QM7282528883.
En Vivo Teatro Metropolitan CDMX, Vol. 2 Boleros
Danny Frank En Vivo Teatro Metropolitan CDMX (Vol.1 Salsa)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb672038c41f7994da28f57760a774830e50998e71cfe5afff9ce309e46978d4a. 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/AR16K2000001.
La Sonora Santanera en Su 60 Aniversario
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x330dd717735b58f3e344a83d9bec59b1bf99eb74a80de8e68c6b66765300f22d. 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/MXF011600070.