Manuel Ortega Juárez performed under the stage name Manolo Caracol (9 July 1909 – 24 February 1973) was a Spanish flamenco cantaor (singer). Life and family Born in Seville, Spain, he was descended
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 0x9a87d9493d2f8541d4b4c44ae733812cde6640b3f55f7666450f3829836f2aef. 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/ca8ab90f-bb33-4e2d-859d-8c48015b9f42.json and https://artists.proofprofile.net/proofs/artist/ca8ab90f-bb33-4e2d-859d-8c48015b9f42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Una Historia del Cante Flamenco (Mono Version)
Vintage Flamenco Cante Nº40 - EPs Collectors
Vintage Flamenco Cante Nº52 - EPs Collectors "Historia Del Cante Flamenco"
La Niña de la Venta: Zambra de Campamento
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 0x480402002b02a375b699eae3802a79ae12140783f7af7eec2a23770d0544ee7c. 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/DEZZ42170977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5ec9a9108c767f6af9157335d84859716cb1be396d4ac4f08c96cb3e6a1f3e9. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/DEZZ42170990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe4ddda50886d7741076d2206003ff2b80300d56f2ca7d3724c67e27f44f55b0. 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/DEZZ42171011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd108703e9743ec958cee934d02d8f4559230e23cf1b048fb52e98fda9478889c. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/DEZZ42171019.
Vintage Flamenco Cante Nº38 - EPs Collectors
Vintage Flamenco Cante Nº39 - EPs Collectors
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae20bfeebf3179615ab5c92a56fdaf560ba4e1d4c7301543e21bcf4a86bf567d. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:57:47Z), 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/ES5084600005.
Grandes Cantaores Del Flamenco / Manolo Caracol
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d47ccea2c6dfb1564e3cd3c604749b17fc66e8702c8ec29fcd4513697a7b91e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ES5709903326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8053df1363a082dff818b20058c391ee4959c12d265c4aab46876bcf82cedcd. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ES5709903335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9168a4c4d8dc763e99e60a94739b46e2152f7a47dc85d6e3c32494eee771094e. 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/ES5709903333.
Cuando Yo Te Conocí - Fandangos Caracoleros
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5b175ae1ef375eafce5496368a45ec0fef34a7d2a4c89533c86b24d9e82116. 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/ES5709903330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc514f62ab7f1e6cdf21fd7e3f1b843e59ae19202193a9ac4436b54f220686d11. 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/ES5709903334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed1006edfeae57b94e87b47c54c7a78e7603323cc2fb44f697cb3684320fa6e2. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/ES5709903332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffc3a352eca275a20e32ce2f6e35ec0edee583c39450ecdddd66249634c5a8f7. 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/ES5709903325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3fa659ae0574521b640d7ba2ea4dd8111ba3b54dbc4abf03426916c6635a7d5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ES5009800071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89f967a80a284dcebb4d6686f45cbf0c361f337ffaba511392f7caa0c6b0df1b. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/ES5700300376.
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 0x227a46802694d3de659283d9e4b8b5e1521c5f70d7c2c2992b846554ce364d53. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), 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/ES5709903328.
Sale el Sol De Día / Es Colorá - Fandangos Caracoleros De Huelva
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde64efffcd84644e41a834f88262dc9ae974ed94f6769dfcded8343129624ebe. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/ES5709903339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48addee1ae3f70db4a7f79f569830f4667d9c6cb296df3abc74237b2e38c025d. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5709904165.
Tientos De La Rosa - Canción Por Tientos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5de231c89dabedce29b818ff78649cfd2c6a5d7e6f9764756b5382b691d84ebb. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/ES5709903327.
Quería Construir / Dos Candelabros De Oro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc584ca3160426bd9bc7ca7bcb8b8117e962dd70805b11dfc5890c0fa39ede8f. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/ES5709903337.
Catedra Del Cante Vol. 50: Manolo Caracol
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab557acb446c48afee849f931fbf9c5d98833d01149e79fc885fe2bd99800ad3. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-20T12:12:00Z), 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/ES5279904004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x033e96782c04bb68a7abd763903eea491b160d48df047e980f50423f5aca642d. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T15:38:13Z), 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/ES5279904007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361ddcde9b0238932c8369ac6a87fc2fcc66cdbf860a3ee9c82168e5b320773f. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T14:04:35Z), 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/ES5279904010.
Grandes Clásicos del Cante Flamenco, Vol. 5: Embrujo del Cante Gitano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f741c67d97ed7d40a8d356c8fb6595058ad620bbf5197e6a5bc48431e2d8951. 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/ES5709903331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13f8165b99e99acfaa82772631cb9956061a6dc7c301378bd5a3b2f0654a4f74. 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/ES5270203509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e5f8fd4e0af6c8070508e9880d25d70c792be1fea05c0e9cadc5c9f0d1b7fe. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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/ES5270203510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd71e9ecc0355c9296945ca4c2b72cd629669967b760221d92694b6733288a253. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:30:28Z), 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/ES5270900806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7893c03fb61cbe1c391de2d438dda15d1a2799e80e45b04bc7a7026aa8cb85e. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T02:22:06Z), 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/ES5301030451.
Great Interpreters of Flamenco - Manolo Caracol [1930 - 1954], Volume 2
Great Interpreters of Flamenco - Manolo Caracol (1930 -1954), Volume 1
La Niña de Fuego, La Salvaora y 18 Exitos Mas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfecde082d40476613ae435bfbb66da8e94af84ae7e229432c61f7797c6544099. 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/ES5271400905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e30861f702fd34258bc41571592cdaa21e4c58d1659022e27ece2e69262bb7. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T06:59:28Z), 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/ES5271400906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x644d03b989e41e7a198d3b5235f24d6ccbb4eb506f240951d497fc2b83a79fa4. Chain 2 (Bitcoin): anchored in block 958988 (2026-07-21T11:34:31Z), 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/ES5271400907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd215b7bbeda55cb5b2088bbf4a202bd4e0ff898b88719449457e7d6e3971a14. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T23:07:04Z), 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/ES5271400911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77b7e3c6ff68266125cff52bdc58ddd7b85b6d4bc9a3fd11d1eccd291fbd497. 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/ES5271400912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232b1b63f01344344723b2b9d3f9253b8a8ac44b7a58805f36e28a6bda5a43d4. 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/ES5271400917.
Por la Vereda del Monte Calvario - Remastered
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6394189bce85345a37c60bb07128a429da5e9bf47107856e2204db4b845373ff. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T18:17:14Z), 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/ES5271400919.
Manolo Caracol, La Época Dorada del Flamenco
La Leyenda de Manolo Caracol (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b4fec03ceb3b03fbbbec4144cce6e4535b0dd0cfd75c76c559a29c3a2880e74. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/DEXO31919621.
Vox Flamenca - La Leyenda De Manolo Caracol
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7989c0f55407602558153a36e683ba4dc9396fa9815f44e61a835cfc26a7e959. 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/ES6602105095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bdb87351988bd62b29ed71fcd87add594576117ed3111498f65ea6cd7de9d61. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ES5085800033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1465e851f35d62a6a830563db1cfbe26830063d858ea41cf62b60e640cdceb3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ES5089700154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5f742cae55bc481bc83b38658d3b87209a84f88d180663f07ce0ebd74be5314. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/ES5080600184.