Oskorri is a folk band formed in the Western Basque Country in 1971. It is one of the most renowned folk groups in the Basque Country, with songs such as Euskal Herrian Euskaraz becoming popular in th
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 0x96458ea0bc2256a37f7302845063bfd7737c1c53b4254c039f201521964552b0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fed38773-5b13-4ad4-9245-57a4205a1546.json and https://artists.proofprofile.net/proofs/artist/fed38773-5b13-4ad4-9245-57a4205a1546.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 0x7f0462feefb2e236aadf0079c33521d67cd2504deb4602d46476750ab8a92e63. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/ES5590600868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88155e04b4092bebbb9b39ff5915061f1da60f0e6320d3eeb99643607724a43f. 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/ES5590600877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23d8502f5b5796bdb5302298475980bb7aa2eb3266f4080bb5262736971d1b5d. 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/ES5590600879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e50fcfd751c2e099e515c4ac73cf8553680ea6ccf9891d46d0d26e0d6855d22. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5590600866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16d415224ffd7049cc4ee76ed4c944f0eddbbf1202055b9100f678e49f2ac3c9. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/ES5590601475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83bc7756a44b9c50b14ddf472e30becc28aef153c3ac5786e0cf26dffacc765f. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/ES5590601476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2309794988214b4e208af987b1d51159c2cb7e8444af6dbcc6eb77b82997e5b3. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T19:02:20Z), 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/ES5590601481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c708ceeb24e2fa2c6133826fe4c32c00d4550b71419d33c002619a391b26407. 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/ES5590601483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87a7b791a038594b4003842f77667172a51696b4d40089f1677325de39967f3d. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T15:24:05Z), 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/ES5590601499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e6926c06ac81298b55296028c61d610ddc48a9f4f464733a088a1a91f0589a0. 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/ES5590800535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61e90f2fa313d8ee3f6adbc7dc2a9ead016e28c3df6ee223582e0d301aefba1c. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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/ES5590800536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbadf035d7b593b43ca04c27fad9d1f94617ae132c0f459748d90857832ce5496. 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/ES5590800541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2873a3867e050347afad6a93ee9c69ff61ea75036d7674eadc11c99b1bf90e. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T18:53:51Z), 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/ES5590800543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8eec53e0134227d8b1dff0138e0102b02d02c97314005beb8cd063b010c8b6b. Chain 2 (Bitcoin): anchored in block 959018 (2026-07-21T16:56:45Z), 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/ES5590800544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaff05c5baa62ec9eaccd1214fcb5d3d28c3cd4bf183a94076db9409631096230. 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/ES5590800545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad9b2db17e9fff665e887f4adb94281dd58c86802de0b507ca16ce85fafec806. 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/ES5590800547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77bf850ca10a66846ad409567249a687518f6ab626f5ca89175a59833ef6b73. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-20T12:11:34Z), 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/ES5590601544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfad9960f7b46e756e93067fd1ae34343ccf62797da6d1f25019d1a1ac00cec2. 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/ES5590601326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4425e6407d4fc5008f14a66b0949207cc20098999962a1db1e930f61c7743fae. 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/ES5590601327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0efeed5fc68dc0a66bc3b2a03da3ee689e8903513b71be91d053ebdd3830a0c5. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:39:35Z), 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/ES5590601329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ca76aea7c6990913faecfd34e5a5751cc2fc271adfb7681a541945371013000. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T16:05:28Z), 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/ES5590601332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa40fc9b333a7b6e723e1c16036ac718c168d6164e2ebb3ca8d90bcbc6135761f. 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/ES5590601335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91bcc912c107532010ca0e8474ebbaca2a1763f217680b571fccd1a4b8dde64b. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:54:22Z), 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/ES5590601338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9f4b08d08c2c8943695300310e9cf5cb1de7e64039c2a1c86d60e7c3a1cd0d4. 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/ES5590601301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b99a4ab2983bcbbe456aa6d9be4a43c18f581e43f3b4d3e33464a0b900f31e. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/ES5590601315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a06d37a1272c9b1befb899130b91e769981d0354e8e4ad8f1b55590ee9fc1a. 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/ES5590601302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x776c3feb101dc812823218caa1506491bb2b47c5d35921adeec6ac3859916fc1. 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/ES5590601316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4897baf95d0595950db19b5edc6b16d13f9fa67e3920819cad7686f5f9798566. 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/ES5590601303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfa81c27a347eb1a203cc1db3892e0e58374c670e6f252c5587e3375ac4fb8da. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ES5590601317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4894efb48a920ce49a872a1bff5f2f18a2f4892f46855e8450760d2c82d209d. 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/ES5590601305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f02f301b3145556319771946dc7890ef0f80f6673e1ca2186544cb022ad6f6f. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/ES5590601318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda154ae8193c8e62787079a032493ccb6a6f8e8eba4b5c15b0eb4e171d548058. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/ES5590601306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6895262aca5dac07ef4eae76ce783e01c49c1f6ded60c12d811c482282af8f. 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/ES5590601320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfb09d7cbdefe1dd29a8bd323841d0e5a2edd3a75940a03bc153976bc87cad39. 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/ES5590601307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96046e1f22fcb02e94567f6275a1335af94178f648ad3791af2f4ec415a61c43. 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/ES5590601321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1611166063fe9c53c3fabeb8a3b251fc325f718734d7546e629636c31b4dc3. 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/ES5590601308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab090de0b94ee3fd4511ff526beba529f97f8b4d4bc1ea670597cfe2391ea110. 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/ES5590601309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x644ed6ffe8d716e188238d373683089bd0008dc93dabdd260176fa1872a40888. 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/ES5590601322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ebcea437b4e92f2ac64f05d5f84fded268dbf4315da1a978f5ba801b8954ee6. 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/ES5590601323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7587ad92b4e6133d642ff9843e0ea4066446838f2d2d0d634338e6597de757be. 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/ES5590601310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x488dc44bc62a936de12a9a46661302b8d40c260d8d8e87d15260931ad7284402. 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/ES5590601324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x093e70de84399cf70433b4c866f65ce2f4e911f72f355b4bd12a104e7c9df3d9. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/ES5590601311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43cd50eda3c605f89866b159870efe42efd9b0847420d4e1e820fbc778fe98e4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ES5590601312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x705a706033d391bf8f5a785bd6aa3f0f05087fbee0be982f4fe58682b2f9e0d1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ES5590601325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb503e4958d695c4d672c975683b09e2ec005f5878b452dcc8d126ed0f7e947d1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ES5590601313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92d5a5083bd571331e7747d232700a164ad54e3b0a5ad58b63039b6212dcf928. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/ES5590601314.
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 0x87a99b9e4b2a416a88b5e0317c2620473750a28ad07de54adca05a203d7e15b3. 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/ES5590601304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5653809b4c9c692ab4627c57cefee52ba21461220f9b93b7ef57267a0b9e5579. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/ES5590601319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79acb8b85b990255c04032c6ae6d4e8196224e373ece76bc95837776ef6909d7. 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/ES5590800557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9893082971026bb32104e5f38170817c166fdb6396e32634a13e29d4bc282ce. 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/ES5590800561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd893d4c6692f758f8e36b0c2ae9057cba74ea02ccd681fba43bbf040b6daffd. 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/ES5590800562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x390b9a43cf81f341b332077aa98022123080ca7ccdf2e8144564876d59a4743c. 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/ES5590601350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb70b927a0c86d7b3d46737fe00de5a7301f5e0153339ffd93c2ff171550af96. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T15:25:50Z), 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/ES5590601355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42d1d1b0739411834ab5abc762e44ed14df54a50fd26daf0a9dfcfefda7f9668. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/ES5590601357.
Iparragirre bueltan etxera (Oskorri eta Urretxuko herria)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2066a6eeddc5ea033ab31eeaba2e296765b15abfcafaff511c75aa7c5ff32fe. 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/ES5590800731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98fa633f37336dbebf2420591aa08b690a17798cbc64803ba1cbcb522ae42bfc. 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/ES5590600807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f395e465b74c6c395add919e95dd894311a4fd0776466bde69bd289558550cc. 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/ES5590602675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a25544b2bcf25d25f646d2a902a5b6426d0a32e38fe5189dbe44a1e410cbb21. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:00:19Z), 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/ES5590400511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa5e472e00a1462ee7a9bc7d4a683dc61d9863363bb01afb72f4d72c0a889fd3. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/ES5590400516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44172dc8d53fdf22a1bd9697cf9bcda0775fb6f667065010313a372b5537daef. 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/ES5590700454.
Antzinako bitxikeria ineditoak (1971 - 2002)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xada5e0226429e60ebeedbbcbd7ca0e730c1723e67c6048b03feb553b0d234e70. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-22T00:53:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5591600201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b5770c3e24cd2c7d5d05b752c06fc1d6581a56e454245af8d2d146ddfe7c677. 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/ES8241659305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8978ed6e8459d95f8ca2b81c39d6824f461951098a3b05523e925fe17ef44675. 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/QZNWX2425656.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6895262aca5dac07ef4eae76ce783e01c49c1f6ded60c12d811c482282af8f. 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/ES5590601320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2de11772570808f83844c6579943d4315d0e1f59c7e68223a176c998bef114e. 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/ES5590601480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e6926c06ac81298b55296028c61d610ddc48a9f4f464733a088a1a91f0589a0. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ES5590800535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89db87042ab8d093ad67e9a249df90023ca6497914d5d5ad53ccde166f3f1776. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-21T23:37:26Z), 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/ES5590600826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ae0b8914247d4b362ffe0add2746aaaeb1f61e60d8b631ec327a20175c94ca0. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/ES5590600863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64cb448bda206d2cc3ab32ee9b73cd0c06b1deee6bef0e802cc20957aca8e925. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/ES5590600855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be1bd2c3b1086f8b5ba6cae4ca4317b4367fadc0fec53c1355f511a6744131c. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/ES5590601542.