1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae1f017f485a75d0704055351c50e9cddec777be889c628b2804f1b51d760067. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a416c02-56e1-4d0e-bc5c-64276482dcfb.json and https://artists.proofprofile.net/proofs/artist/7a416c02-56e1-4d0e-bc5c-64276482dcfb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bf56c7d802396ead866dc02a03d27c78ef93ed6a7f66875b76a21a3fccf5c19. 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/ES5592200332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec1d9d39b5917fdb23711a86db113cb4ff209a3b035129c8f5d7e62d160550a2. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/ES5592200335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fdebfd0e25a2e92a0bbd8afc8fa4d07c84d0fda16a6da32881cf6359a91b384. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/ES5592200345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x027b8810d878c04221209af37dbebdddb78d3864cf6aa7177508a40e0bd040af. 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/ES5592200351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842b4909622a00b397fe820c9708c09c6e8c06748fbf3cc85defa4bcb83aa098. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T13:20:46Z), 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/ES5592300163.
Diatonic Bilbon (ft. Michael McGoldrick "Capercaillie")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x612e0b11380ae3a8f00b9bc4f407abd345c971a45a584cedc22407af74079a15. 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/ES5592300175.
Ederregia Zelako (ft. Iñigo Etxezarreta "ETS")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa692eeb95908d8006a14bc53f034a65d39e539f2d6f81be0f1852784222a4967. 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/ES5592300164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fd3da99416bf10d5d4982ea16be311b7058b42d6c4524c842771a55da438da8. 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/ES5592300176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87bb7e0e8c4a128aebe50f52c13c96c825dca466db46037203cb20e57b9efde0. 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/ES5592300165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf42a3a6bec05d26d9bfdb72b09152aa95813c76afb4df8c707165c9522aae9b. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/ES5592300177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef4474f8f30f1305d87a915e3dab941fb5fd9355ae8802e9e578c7695fde8cc0. 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/ES5592300166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad514d221ada83e5dd78d24d1f17184e2c603ce4ea91f8dea64f83d8136dcc9. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5592300178.
Akelarre (ft. Jesus Cifuentes, "Celtas Cortos")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba56381a211d70b0539b71a5e378da5b4beb73350439d178e3ef5cba66f6d1a. 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/ES5592300167.
Bustuntzuri (ft. Bixente Martinez "Oskorri")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7d26a6ed9af566c22465ad14f2aa14ae53dcafc3bea31ab5af52aecb4591a4. 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/ES5592300179.
Soinujolearen Olerkia (ft. Erramun Martikorena)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x805547c7a77466561d666058a86b1ea1a2c570cac4a8f27169615b774ce0fa50. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/ES5592300168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2530044cd20df7aeac0863cc694ec43e753789dea7d08d4825c6f8a0642e4f7. 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/ES5592300180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28ddc9cee37946c85fbe2b1e1e518c1feba47732375f4f0820ee18993a2586fe. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/ES5592300169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419bf895eecc01a5ff3d27ea71b2776ca20c6a0602299234c1bb7a443718495b. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/ES5592300181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef3a170c9743755cbf29b2632002ce6033410176eac18d282ab1b57932a3c9c. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/ES5592300170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5781487f556efaa1d797af59fd75b31f9cb96c032ba7ae2dfae9fedd4fbdfa5. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/ES5592300182.
Akerrak Adarrak Okerrak (ft. Gontzal Mendibil)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2919366d1f8a1f9e57d02bcb74407b495a8c0d98b64640773c556a542cfb9fa. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/ES5592300171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd340195b8df77b5ef889d28db026a1e85292f33fd937092f67f35d15be3d0bae. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/ES5592300308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7bad9194279ff13d528e00e20b7e970088e2419135b200a08f11e19fb4ee87. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/ES5592300172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a7fd18e5d3afb2a6473296466e3c7a72e249c33ad4bf3ec34a62bbf4299d446. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/ES5592300309.
Emaiogu Bostekoa (ft. Pirritx eta Porrotx)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c8db1c18e688705c046b5eb638bad512dd0025266531b1a4fa979ec5ab33699. 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/ES5592300173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff83875dd17fe556fd5ec2f48bc4d01cba89445c5d31c059026e7d8cac76815. 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/ES5592300310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a682fc2082138e8eec1afb3368732b91a470c33fcd892e75e75167a8e85b6a6. 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/ES5592300174.
Vivo Sin Vivir en Mi (Poemas Musicados de San Juan de la Cruz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbfa76b21a394a94aa3e2b30e2e0740ddedf71ed8d436222d808b32ddde6466a. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/ES5591400156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03298f2edf7993bf71fd35affdf13c25c9da13e930a094592f82682e9bc82b42. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5591400157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76d83b71c4181ee47d631374489fc08e5ab570a4f7f2e904e0cb36a50213680. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/ES5591400163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc66932a3398c3d0bff911c45b769c5fbfb9118961f07d10dc23b5de3534b621c. 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/ES5591400164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74341c2400c2cc7fc8dfe124349042ed3579256daeb5ad9f70f7b8ac74656141. 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/ESAAI0274146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18b507969e60212428ad5fefb768fe6c4d1af47a333103221be0283cd253fe4. 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/ESAAI0274159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035452cdc9e04e08e1c0553e1bfcb89325ca6865b2a1d99eb5e27e859dd0f4fa. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/ESAAI0273552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a6f3b15f8ad07df3623dee6cfc2deadae3aecbf16012e41614a4b8dcf02c453. 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/ESAAI0273551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38cb1015dafdf0b895e368ddbeb5331f86502e60bca192006072921d669c116c. 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/ESAAI0273555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd0cdf9b0d8ca19090af118dcbde4422437e1fe401f6b76fd1e4b6719b2508da. 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/ESAAI0273556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x747695668accff69e2d2e85985851254cb5d3b7144bf77dc06d654795bc53721. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/ESAAI0273557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f53f997a1da152e3f77120eb59ac7b50e6775d682ceb137add618524c0bc824. 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/ESAAI0273559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05c090f7b8d951696e8ccc3e7eea83cad7a969f11dec126c4725348069f9bedf. 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/ESAAI0273561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef9ca94864ef6052ee1bf2f5aced82f5071ae8967ec9bcbbcd1f4a8bbba7b1c. 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/ESAAI0273563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2fcf20f83176821f5d378d92ea60298ccd26668c5b37ebe127d891488c7079c. 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/ESAAI0273565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x342816850ba217240ea0b964aae0dd9183f22d9decabd783548b4dd9b260ea7a. 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/ESAAI0273568.
Gontzal Mendibil & José Luis Canal: Memorian
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce98194270504b892be57adf3c30e2c5f53da7e4e0a82561882537770de48e02. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/ESAAI0271564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc9b8989149f978e1896db6a0bbf38ebdec3a1c29d1d2f9b5c394d02ca42dd5. 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/ESAAI0271565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3efed48574b54825dfb204e7ce7ca3fbe6eeca1fda6901d82c4960f22c7b3568. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/ESAAI0271573.
Neure Txiki Polita (Gorbeialdeko Kantuak Oroituz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d77ba8c6b02389eae3663f2df06062b994719044fd5b044f2a5d1871d685464. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/ES5591101062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x620adf5974f2ed049bdf556e3904dc2856819012302e010650e72091149214b1. 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/ESAAI0273670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39d2074c41f24c1a95ed401eeac2aa4a8aa18dd985aae510a34242094de7f232. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM92100463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa671d2192561e45d9ee1aaaf33421bfa02780a848334845ef0b59cfbbb3985bb. 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/ES5591800256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b4b08557b269e08d4c065c658cce7ef6de4a3c8183b3a3c4fb64e666939da22. 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/ES5591800257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b0baba978a53575aabb78b73db7c3d4de9d7dc9f4ab1ed7493ef72c9ec35a0. 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/ES5591800265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d8d52f40bdcb5f363bd359a2f2571a03d343a7e41b8184d30361fd2c5f55f4d. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/ES5590700557.
Gure oroitzapenak (Itsas hegiko gogoeta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa12d163c7d363acf45326f981848eecd80bb10267cb29ade256053153560ffa5. 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/ES5591800260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d2b623b4eb6d88bf377c58711562d829009fde4bca49c892fd51ae6c308010d. 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/ES5591800269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9f1c34a230ae6c0d4ab4880e3dd980d654959dd8a85afe7c592ac30d6cf92b2. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/ES5591800271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f373a7d835f9d3d901e3679bae7923ef9a09e8cac9203f5b372b31d4bdc245. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/ESAAI0271528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47fb9a256ea8fcd0b69721c9d98e5db47ed694010e2cf9cd6839dd319cd11ff4. 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/ESAAI0271544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c26653dce52335ab5e8393eb213059ea8318f9acad18926516a75d9f33d52f8. 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/ESAAI0271545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x907dbf6c4b483d11a130215bb9610f6682c83d5349e5d6b708fd29e1aec4ab9f. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/ESAAI0271549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e8ecd28605b9a2ec0018681aa993d3b3e394f0e832e123b33f0e4029c7dc0db. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/ESAAI0271554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe27edb06e562b287c6341ca2663e17384dab6563ad179484b1e84e87e0cc1099. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/ESAAI0271559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b5902a87afe15fe3390e5145bf08e3db4d15937522c7a12c72d4ec9036cf4a0. 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/ESAAI0271560.
Arrupe. Ikuskizun Musikalia/Musical (Vol. 1)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a2989902a36d3cc1176b5381cde57c2e294b31a22ecc3deaff5cb4a77de52a5. 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/ESAAI0273768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95c44312a140bd372b81695bee0cae2088c869c42c1285832da31c9271f47872. 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/ESAAI0273772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc96a9267943c30107c69631cd3772c469721daa0a855fc8688e1a9f1d65ffde3. 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/ESAAI0273775.
Arrupe. Ikuskizun Musikalia/Musical (Vol. 2)
1972-1985 KATEBEGIAK Prog-Rock, Psych-Folk, Jazz-Rock Music from the Basque Country.
Hitza Geratzen Zait- Me Queda La Palabra