Amaury Gutiérrez is a Cuban singer and composer. Early life Gutiérrez was born on September 9, 1963. When he was in high school decided to pursue music, and his chance came in response to a call from
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 0x7b0b323464087efa62d59ffb4b3a6c9487b040711ee0d9a283511bc1e9430d85. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/90a4927a-2fe4-48f9-a0b6-fd5316d9cde2.json and https://artists.proofprofile.net/proofs/artist/90a4927a-2fe4-48f9-a0b6-fd5316d9cde2.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 0x63a0dacdf22b4b3bb56fc09bd80d153414373028e6fd47e074005209dbc3a162. 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/MXF119900013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd100948be4a1abcff0ec64fe3ffe8f5dc638776f51ee9ea5966e7d5375e9d2e9. 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/MXF119900016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf886fd0d975a68f278f716504d1adb26a6316b04ece9edf94c4c3ffa12cd4490. 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/MXF119900017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3662f5f7f3b8d9915f7f41cba94006d3f2bc42d5c19da0a46b28808ccd829bb. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/MXF119900018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6045a2b7807867669bde9514aaab73d06f91c3025f1bea0c8915fb3c21e207e. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/MXF119900019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x403dc752072ef603ee1ab5d3a26cd2e1c19c2c8b729abe781736a9c4b4accf83. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/MXF119900020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d2bf944e44437a43eeeddf0544ea2cf5881a4e713a910a3be5abb2d232315b9. 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/MXF119900022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e3e5de8c0c2f8543115734000bb505cb6abf0db89b897d12e9376c6689d4678. 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/MXF110000648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x250745dcaf13ba23fa8b7e34c177cc0ac609c79f720ac12b0aa0cfafbb270888. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T07:54:54Z), 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/MXF110000649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ed8c1fa540c437ccf85c66490a2ff5a785515c53ac000bafb1f10eab449bd44. 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/MXF110000653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaec38c65c5711c72522531f5e3a4e8089f43cf066f59d1e1fcaeba42ed17ac1. 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/MXV119900002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x355e9b87ea7651bc9bb31fcdf634937d9581288181abbceb27d819275316cbc9. 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/MXUM71002829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb644dc7ef89e89cd46e682229b30efe7db24060afd278bed857c981b341a8a4d. 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/MXUM71002840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c7b0d8a9258330aeb16daabf88ca4c520a39a440f8ce2bdc2cb58bccf9a33c. 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/MXUM71002828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16ada5157206c74a2f384b15a0ad6ffbf0e4cc2442aed5989170d5fe1fad6fb. 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/MXUM71002839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a52b3e38d199be3288e9c0d0732aa6b47d84ef785d0068e80a3ed33149eaf40. 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/MXUM71002826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f4bd253372e2597711a66090c8972005fede18575cb60bff4f5cbdeffee4b5. 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/MXUM71002825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x019d36a0c2f3f07ef20d5b257f4a053eae78358262d2d24f53a6e52a25c911d9. 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/MXUM71002827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd62552fafeefc0e8f8fad9c56e9014131616a71b7e3eb07e8d4450bf44323b. 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/MXUM71002834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f095b00a82e4839386103203bbaef06380864da72f33a9b2c0b20c6c1f6f9d. 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/MXUM71002831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddb324ab766b4a3f6b85c4c32cf11ed2160d4c04372ba58368ab3dc0e8749f9c. 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/MXUM71002836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f133d0a1f2db5f9f1d62c14695448e03fc746d50c3c469bfc9021be5b897438. 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/MXUM71002841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7da6210ff159e466d49d2c948fe9f863b2df758b08cf1bffc183bbad9c27e5b. 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/MXUM71002835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9536a9488422b3569e9a6b35a1e8f5f52829d5eb7c70785376ab0446b255e3a0. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:25:16Z), 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/QMHUY1350587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57cd7046aa96777b60ad0162c459273bafa9f13ff91b3818bd84bcc47113c60f. 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/MX3361400954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd82c212a52e96b3230b41f2f0e4fcdf6dbee1a1a61e4f2d05998c136ae5cd41e. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/MX3361400957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x562fa10c8bf53dc2198952076f428c86a9463d6105032eb6b33b08c969baabde. 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/MX3361400958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61269957ac5e2d8fd1fc7067d95c3e2c5b0a08d460c1961df9143004496ff925. 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/MX3361400961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80de9406069926840e2d658e6bc2d96ef75e04ff09a47c9591261146998b2646. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/MX3361400962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbfec1890d47d9cff0516d810d49370511812621343ebe658e29aa173dad5e1b. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/MX3361400963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0a47672a210fcc8ca66c00abe23411ed0babe654593438b544041328a0c0c15. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T09:34:49Z), 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/MX3361400964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03691d7f182afc4405da1cbd8ecf531bc7c95661e456824b4be2e81f9e8b48ea. 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/MX3361400965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80de9406069926840e2d658e6bc2d96ef75e04ff09a47c9591261146998b2646. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T07:43:43Z), 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/MX3361400962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd04df402280861b2d8ff820275059a040a030ef7d04822d4d7512d7f1a0ffd3e. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/QMHUY1557654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f5ba5e40058241d6423af26c3087d3b0147ba268217cf722a12d673dc551837. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QMHUY1557655.
Sesiones en el Estudio: Amaury Gutiérrez
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5528f4ed61f796b4ab6ecdc8d8a9706500a2f4f1b2ae0a8c9582f6d55d0b7c49. 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/QZMZ92371944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffefa451d95efe220e328a4945aee0ca8dae38738c107f612c77086f964e80f6. 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/US3Z42400156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43b4da0745bf2e094a6dbf90c0fbc04897db5c9d5f65350b0301d26179cd2112. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/US3Z42400157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f05711cde22331b58438eae71ddbf48f410be15c27fd121d3d35f6850e689ba. 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/US3Z42400203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50fcb5f7adf5c0601ba8cdd5a907eab7b01c70aefd06230ec2402b767aca90cf. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/US3Z42400200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcde1b8008253853d5cc972a49134748cfb600606d3da04b836eda153850fb9b5. 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/US3Z42400204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd15691913fd5e275737c1288d9bda2632600a4d85f060c4da3f7f6f6f385507. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/US3Z42400205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffefa451d95efe220e328a4945aee0ca8dae38738c107f612c77086f964e80f6. 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/US3Z42400156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2210f6e0cc757417dd62a3de10a7f5970320ce1e2be29913dc4cd3538c1f11e. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:00:01Z), 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/US3Z42400206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f8898f5fc18e24fb0f322265fb7eb221930948af1e7351572ff2d28bf7573ec. 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/USTCE1068005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72dd0ea514bf39c63bdd0ce71b613fa9e819aed99f14d7a01b6a1b972d0a103a. 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/MXUM70500616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40c60f734dd3e5d47facc08d6bd42543e55d5a032f2a31d22b370386198a0cba. 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/QMYMN1800017.
Bolero Jazz: Detalles - Tributo a Roberto Carlos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d013cb33f95112303cb06a0e104509e33111a28c7af684e9fba1832844f8e9. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/USZZR0910026.
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