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 0x7a225abff4ff346c0842b83076a8b0646ac3f6090ab419011b8f420800eb21ed. 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/d2a8d2cb-5b4a-44d8-afca-72f4b85b9393.json and https://artists.proofprofile.net/proofs/artist/d2a8d2cb-5b4a-44d8-afca-72f4b85b9393.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 0x092f23f7b4bc6a9d35af8d90aefd0b162ce90f8dfdb189051ef307a60a48bcfd. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/TCACH1597735.
Besas Tan Bien (En Vivo) [Recording Sessions Mata De Coco En Caracas]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9443634afc534eafebd8352a6cb76d309ff731bc0819c99a129b3d45744f34e9. 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/TCAFU2124127.
Mi Música: Mi Reina de Corazones, Tan Sencillo, Baila Pegado Conmigo, Así es la vida
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df7528f496c653c8d2642f048b7eb574b774d9af24748241c16ff0549e1269d. 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/TCAFW2110684.
Mi Música: Homenaje a La Dimensión Latina
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x899ae5a1bf4fd0c0f41d4991751a300ee6bf9e1f1899e8e0a801e65a81581658. 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/TCAGA2210893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d06ba50cfa43cb1768e6e6d927e1a8adf3ff1602a59617623c533624b2d4b1c. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/TCAGA2289951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cbb89cfa3fc5673011713724a0e3279fc57696231384f8dfbb6fd601d5b8cdb. Chain 2 (Bitcoin): anchored in block 958611 (2026-07-18T21:24:44Z), 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/DGA082385620.
Sigue Tu Camino / ParamPamPan / Josefa Matías / La Vela (En Vivo Desde El Teatro Teresa Carreño)
Solo Por Ti Tour (En Vivo Desde El Teatro Teresa Carreño)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef91158d26aed265401ec08711cde8105250ce70b9ecee06ba9635f714a8cf45. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), 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/DGA0H2413184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3309cff5d4d441bb45740301b83788300b022d6fb9be7d240b4fd0aa62fb11a. 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/DGA082445697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcec67f57511703239c055f663bb9ebc0672c7a9882082e271683ee922e4bb31. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/FRX282529107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b12b0ee017443574e900f27034e3da6467fcbf60599ae55ddf2353858f9a5a6. 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/DGA052502060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x404d0c12e50752965b9e1e3532ae21f59c9c6d5e572f10251d4954fab9b68f82. 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/DGA052502062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x369f6945ad69ce1e6cbe677832df585d86ff5b71b1413a05f7a056c757ea7e1b. 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/DGA052502063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4378a0a4e11f71e8ad5ca747a76a11b03b979060ce88a9509c3c513cb259adab. 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/DGA052502064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x207ac229d735c70e9c3732327250fe9db9478cccd6035378191c6e3774982670. 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/ES71G2335973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa78dfa875be1526d8b13eb1803d074fe98f7946eafbb1b2f8defb28270ea6c45. 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/ES71G2336021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0cbb43fc10be25b203b84788f82c5f1b48a75ce03c6927e63ed87a812121de7. 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/QZ7R41850158.
Quiero Besar Tu Boca (feat. Nelson Arrieta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2e9d700863c1cc74f8472a58d2d847093e8a5b0349794bb9fa9a6dc9d8652c5. 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/TCACH1581651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4eb5639c657af4fe2eaa7c0c9cc2ac7a3b96e91aef2d603edaae0f0a6df981b. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/QZW9N2246166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa267f5b668f394d0199de01f17e7791444d839b8d9bbfaedce87e23f23e9e272. 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/QM4TX2345558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5381047cc98424018aed7b2bd72060a1dd04dca0cfa80fd51380b96507ed0b2. 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/TCAGE2269693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x524ecf72f9e3621949ed036f413ae6717be016300394ba6011bfb07de4ec79a4. 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/TCAGE2277856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4506dfc45763bba3e25d31a6e32a190044420eee89014be2e5b171d51424414. 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/TCAGE2277879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc69f98daaeb08fffdaa05743ed7c7d1d2ae960e821075906da136e1e1f9f81c. 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/TCAGE2277882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x600821520168b478f9c80cbda5f1609853976468ac379768291fcb8ba065c018. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/TCAGE2277888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c8e6acb30c717ad4110810bca0904954836fc6682649fac788e3f1f0b294f67. 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/TCAGE2277898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b3c6dbcc54c0d658919c108ea65e2fbfb54d7606e750d7e064520bc7c6ad113. 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/TCAGE2277906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x785d5fb1d64e48f28d176c97a57aa389ffc4b260ace32669ba34d2dec550e124. 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/TCAGE2277918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83d1a3628e05e9ba515fbc40927408e8e948072dfc5a715ecc2ad95983b8c0da. 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/TCAGE2277921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23b3f05355d9c592dac963d9aa63336c79647fb70bc896c0a6c4b39c82a82bd4. 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/TCAGE2280646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62d2c1e2d89b6c66059d9ec8bbd8c3cc03cb8b100a0efb9868aee438f47cc455. 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/TCAGE2282085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8d2031af32aba08f5e598436fcdb1548ce2430e4bcd938a12fd0dd26dd9c48c. 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/TCAGE2280700.