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 0xd1dbac14c71c458d37ba3ca984877fe7cb999615ad802dd1e42603a6314e7096. 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/ccbce8a7-57f9-4acf-8cc1-87d0bd0bc52d.json and https://artists.proofprofile.net/proofs/artist/ccbce8a7-57f9-4acf-8cc1-87d0bd0bc52d.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63cded015ad834679f9e0a23584623b23244a45df24dca973d774e826509efdd. 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/FRX202111731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975a000c00a85b7041beece2ae6087e4f53678917f6a380789e0ed77fbb54bf0. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:51:17Z), 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/FRX202111735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85cd8ca80ac7bd7ecfe0a7065c3e761d59b5ba14f558e304822a659ca60381ef. 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/FRX202111736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3366adac8fcd55bc2666c6e6bb0c3a58b8776c9b7ec013e57f632376c6fbaffa. 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/FRX202111737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5173b35ee2b3640c99d4903d2992e93c0d15742067c041ae4236344b768f3431. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/FRX202111738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7e17fec02dd401848e3f9b19a6361b10b730a927b3065260cb5f90d818754e4. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/COC011128186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb483790b4b7599fec8e72efcb879235230473eb9de1c48d3f876e8125370f76d. 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/COC011128188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff064724766eef2f1858cdf7ad753be4257b71b11eaf3897c98687440ae5a41f. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/COC011128192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3e1bbeacda15f356ea3c95ac980ff4e21803cc8a53c8990b93d7fe843dd3995. 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/COC011128195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b3eff6b11cc8a0e15a2c3a398b089f26cc98d5f8249e8b73df4afbe12a610c7. 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/COC011128196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f9fbb32b5d2a26f0db1936c63be8623a77ead09abec600b95b2ee3aed49b49b. 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/COC011128513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09f5029e30f9a01b5aa3f751532228cefe207236caee8815f99559aa418722f8. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/COC011128516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fc3d6c06229d72d2060c7c77b696ff25dbc91074c2920998f0efa1ee239a160. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/COC011229036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83b24fc7e56b435c68fd1ec050e207de2051a9fb7103d905236846af533a8399. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:04:48Z), 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/COC011229038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f6aa44bd56c0d1cf466839db7ebdd7e5dab267689dec3b8dafc04bd73e9ef39. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/COC011229040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3f812538db398c47d286691db896b3860b4ac2f232331f28f649bc6e1d7b141. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/COC011229042.
En Vivo: El Gran Martín Elías & Juancho De La Espriella
En Vivo: El Gran Martin Elias & Juancho De La Espriella
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbe99731366b73bc5bb8751c41c41e7fbb565cc1a82903ec6ed8c4520a23254b. 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/COC011329496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d7194448e8280a00f10e78658cfae9de3492b0fd061841c14f0a4660c15072a. 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/COC011329497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3420cbf6d9a2d50e4ceb1dbdb3dcb6cd2b277c92574e0f6f6a0dab023bdadb3e. 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/COC011329498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa249c236f57fbf442c84f35c5bf56dcfa13327628a7954b4c5ef2b62c12730ea. 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/COC011329499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b50be027e874a5fe6569a6f072ddb7d5876f92cb5db768c5283443e77399104. 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/COC011329500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd72ac5e44363d5371b230b38f5630f89e0f539e64851c97a5e774511cdda1b32. 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/COC011329501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd37a9c1f7bb20d900f0a5063f8fb23c769744a25cf5f4004e4d930d69f47bbaa. 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/COC011329502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5adb2116a8c60739cf6ed046410172b5a4fed858d834644fcf160a4a4ff4b333. 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/COC011329503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2ee56cad8f958c261d9389a1c441e546460cf77a3b1cae7e8cb6bf18e1f52f. 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/COC011329504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2508e86e0cf106af7f6f1319dde2d547f4c33199023e4989b2b3460590473a. 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/COC011329505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabd4cc06fbacb96735b607585c1aebbe368b554735dd9898e6ad0c86ae266a63. 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/COC011329506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88cee212935a3c91ef0a6326356f9cde562c826130c73b2f30836635ce2c6ce2. 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/COC011329507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73f4316a408e627647ce62b2804021a590d2236f77d9d2f35e064e3b8aa48cc0. 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/COC011429978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x446937fba813656fa2e32f40ebcb3d3735d98d31099355fd95ecabdf826afd35. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/COC011229029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8519fe9e6167fc3e9a70313407af71284609f7f1736a866f6e2ee1cf0cc8ec96. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/COC011429972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x454a22e9a754d15f7b4f29ffc14458e37bc793bf6e6cc4cca7b19b2205564f1c. 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/COC011429982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b5d23ee1b3cf9f23cfbad5d2edaa3117fbc53fe22e6ec4d9f5d0a15ec638e2. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/COC011128187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccef090f36a5fa6ff58db6d5365c30084509f3a568453d6527cc46400f2ff92a. 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/COC011229030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf814164008ec3437e87ca01cddda01057286372506ac76f4ae67ce26ec357e09. 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/COC011128185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc975d4a63ad3c8d5ce2253c2e07d504f295f7c886d4e4bb104830f04669ae5b. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T09:08:23Z), 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/COC011128189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f4a915d783377b4d079b97342f05d74832338a53be52c31f911e8454c805bc. 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/COSO11500342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d58351de36e4447a6b879e4ab27e00c6553ef10628c275e0acd8c15a428b5df. 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/COSO11500542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c88b76176522d0a9c6a13645db920a06ca5beaabc1ddfe7ed7e6074c6e29bd. 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/COSO11500717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x836c741d81e769317bc373680778562d0b0e24b72578605ffb0f7f4bd333537c. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/COSO11500605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7b56d129bc03c1f5f25cad346cfeff3b19b170ffb1470d0569226dcd8868b66. 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/COSO11500608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb249c5c9fd9f74d2b9c3628c5aed2ed9abde2fe54832267e7f1e8913bb8612. 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/COSO11500610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb446c06daf7c7fb54d78486e2f3f928093eb81153cff4cf99f94d3f259ee691. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/COSO11600488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aad3d34fb554548361d26beda2960aed3ae24bc7edf04d91bba31a1caf4b78c. 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/COSO11600495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9017a9a80ec0ada75bc552aeb4fb6730b03db6b86d6f0df6bfad4d777d887def. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/COSO11600492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d0b6dbad811fda3f7ceda6b130958dfb99e9ddb03c24c615b364e733107565. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/COSO11600494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535cf0e1e8a92bedff56b5ce6c2db5c6af92d0b7790dc0ca353b77dfc65d2a0b. 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/COSO11600496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9da1f8a2bba80f98d613a7d25db7600c65af5c86449579ecf42a819056ebdf9b. 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/COSO11600497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4c92df113cc710e79d8fedd8b9c17b6e0476ff6bf35b419ad2779d1a9c151dc. 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/COSO11600481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ad93cf400da790b41c054509ec6723eb02193f4c253d54951343efaa66501f2. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/COSO11700132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c1288a2f7f2d295d230c1656f72b2b65e3563c4984e218e45178f5ceff160bf. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/COSO11500346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f4a915d783377b4d079b97342f05d74832338a53be52c31f911e8454c805bc. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/COSO11500342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91ad593f2038162ece71b8eb5eed2e6eec2bbd11523339d7646f07d89ce2db86. 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/COSO11700134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388eb6f6b10a630f638d9a1965f13463d49502e07f81a3cff60c80b8d0fb3488. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/COSO11700135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd601407122767635a4cb7f6c161b14d13d6262f8f7faeab5bf2701071cb94c52. 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/COSO11500352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaae888955b4e4ee2a74266df374be30260ec9372727e6cf883772a74ad84c4cc. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T09:41:59Z), 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/COSO11500344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64f955937fe906998520807f2c0c4badea092a7661ea5f405bcc31421cd08d65. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:20:57Z), 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/QZNJW2548845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff8f8ebb33cd9aaf99a93a5ad7b8e1243b2b06ff6a7633ed303a601939354f14. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/QZNJW2548846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3217821e106f4afcd66903a27a9dc1e0453b6e026887b2b1f50c3d1ef6646496. 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/QZNJW2548847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7128cb3c158f16adf790596048d09d6a1d1017ea4c507780377b328b2297bab. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T16:02:27Z), 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/QZNJW2548849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6f02317745f38a64d2d1352065f94d5f06995642a5c72f1fee6eebfa2a75248. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZNJW2548850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf152bdff222fb8a87da85daee6fe81a22711521fb7b40ad906e408a987123f13. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/QZNJW2548852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7774d4e7ea13b20ed5a4027669a29d7b4c17b5163a7778ffb2538a8ce1a00934. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/QZNJW2548853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf0849d00f23e369b95fa3458623262801dcbf9e255c58a8fc9532f8b3eed846. 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/QZNJW2548855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70e4bb8a62e53ca4021d80bc251dc5d8696ad34b908370e72870df18396b8d86. 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/QZNJW2548857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dbefa581a56448063f3853b00a2d736472d7bfff9b1034f065a4cebca4783bf. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZNJW2548858.
Que Me Perdone El Amor (with El Gran Martín Elías)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65848fd53732942063673e07b3d5e46aaf2a0fde82df71c4ee2618d647ec100d. 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/COSO11700164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed51b492dc73b4950fcabb5232c1ecf89b137b3a975509c7051cdd7a4880a2cc. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QZ5AB2047361.
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