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 0x51c199749f35b6d8ff4498af62d2a7b5793b5dce3c195a1b73e801449180fa36. 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/5407ab85-2582-40e0-93eb-79e70738edd1.json and https://artists.proofprofile.net/proofs/artist/5407ab85-2582-40e0-93eb-79e70738edd1.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 0x71760afaeba9d05316cfa808ea4ceb7d2bd894b4b88f74290d35dc98d2888ac6. 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/QZNJV2169243.
Por Retenerte / Como Podré Disimular (Cover)
Tributo a las Leyendas de la Salsa Vol.1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa36de12924657bc8715f8a19c400f86fd875aeceba2e2badb099428d5ffbfc0e. 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/QM4TX2254815.
Mix Rey Ruiz: Si Te Preguntan / Amiga - Live Session
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e1ca38f16d3eecde8d699960e09c1ddee0b5656a76de450c9ddb122d4d1843d. 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/QM4TX2254818.
Mix Hidemaro: Como Nadie / Amenecí Contigo / Hola - Live Session
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bdd7aacc248e3b9b67955d8908e53844d51a0dfb66bb4fa9dfb8a7ae9d51bba. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/QM4TX2254817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163d6ccbe02ad0be3ff4c0f921edadae89c72e640c44eac411e00518cb93ac92. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/QM6N22266630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3db8939ccad03a0cefb4752ed4992afabf7a8716da5053d22983fa09a2b90d3c. Chain 2 (Bitcoin): anchored in block 958703 (2026-07-19T08:36:12Z), 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/US7VG2333755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae6ce56523f1c9a314f1926bca98b40d7a113a9bf1587ab636739135d407059. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/US7VG2333759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb035b4f1d02294b0576f464e536881cb07c848e04d8879cfb0309529dbb63633. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/US7VG2333763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8517f63ee62a7c1e5d8b14836a65abf1ab917ca7bbab7ecdb0915161f2c2b9. 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/QZMZ92472702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0f913f1fe99dc42a94571eb5df34dc02d06e1629ab427a74a8918839609f027. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZMZ92472706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b08e0563ce82d92483a63945c4b7fd8f3155a1bd9766730919f80b76d32f9c2. 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/QZMZ92472707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23be8082fd4db55f4c194be74090666139d9697130df9d2063f440b8103c53c3. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/QZMZ92472708.
Medley Grupo Niche (Entrega. / La Magia de Tus Besos) - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x518a4ff83a4a47e987e02ac18e978edf336d4c62bf27ba43ad14bc771e111fc6. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZMZ92472709.
Medley Manolito (Te Dejo Libre - Y Todavía No) - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a92e85ebbd262a1b50de453460403dc72263a29f9ac7ac6d0a396223d31a0f8. 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/QZMZ92472710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd72d030fd9770a723fe2f75a78dbe6ca5326ed5842ac3132386cf8c91112d49. Chain 2 (Bitcoin): anchored in block 958697 (2026-07-19T07:58:24Z), 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/QZW9L2446854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bff7b639198dc4fd137b9d44994121db372c67220d892643c2c2398ac3664a4. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/QZW9L2446859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51895eafa8e6e665ab49fe9420a31ad62cd8bf2fbcfbe73eb5d32921727aca93. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/QZW9L2498327.
La Salsa la Pongo Yo Desde el Teatro Segura
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffc391d684512df7c60622ccde1c64a1657cdd83ae16f08b81d16a86a0727f80. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QZGLM2501835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x613d5a0ba0d1adf008cdd9dd1b8c995e92960d520290e7bd8b36c4ce6340e740. 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/QZGLM2501837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddb9ec392fe57d11f7caf1beb1e335ca602908a253d4c24d7519f661cab208cb. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZGLM2501838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41cdc22d79092a25cbd11d473dcc9c4f7c83386d453839a2fabc7a61158b8611. 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/QZGLM2501843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba981de77e847f6106ec905b4cc9d33078ec18763f29fbab85e5f95eb3bdd589. 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/QZGLM2501845.
Mix Issac Delgado (Necesito una Amiga / Loco / No Me Mires a los Ojos) - Live Session
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x951af4e03fb45a88e195850df1e5f956fddc91c1525b7b6ef442bc4b4b402d85. 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/QZNJY2598893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee91fb8828c0de05fba22ba8f606d12ee9d2f93cf25e58c8383b384167f027ab. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/QZNJY2598902.
Homenaje a el Gran Combo de Puerto Rico (Y No Hago Más Na/Achilipú/Se Me Fue/Te Regalo el Corazón/La Muerte)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9122153638149485a569adfb65296c1c0b25d88ea35a2bf1d242fc8142a4b48. 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/QZTVM2441612.
No Te Enamores de Mi / Te Engañas - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe981dcc4f3e1441ec1a98063c0581ec79d350c94290005d6dd33f209dbc4ac05. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/QZGLM2584571.
Alma, Corazon y Salsa (Live at Gran Teatro Nacional)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7185c7c1b2c3de84c94a1b499857d473feb6bac2f08627208fcdd28f21e7dc09. 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/QMUR72400005.
Chabuca Limeña - Live at Gran Teatro Nacional
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc771a93203102d6024148656f4b23489a529f619c22e3ef4bc9945a3628777a6. 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/QMUR72400010.
Sera Que No Me Amas - Live at Gran Teatro Nacional
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca0690aa5270b6aebccdab60d2d74628e1b9a2cbc4e02e5ef07ca08bb7e522ab. 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/QMUR72400015.