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 0x8307d87f90bdbf841a3ca6fc2c457688ba1582ba019e1e6ba6c73790d244a992. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2e936661-0c3f-4370-b931-fa9555dddf57.json and https://artists.proofprofile.net/proofs/artist/2e936661-0c3f-4370-b931-fa9555dddf57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pneuma, el Poder Espiritual de la Música Antigua (Pneuma, Spiritual Power of Early Music)
CSM 142 La Garza Del Rio Henares (Instrumental)
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 0x1a048df9ba9a0d5a9108c953672883e1f0843e5f5b5b18b79bfe26845ceb62f8. 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/ES7730008416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c435563562585b9bcf9aaa17159170c32e176d5dd45e81a05bc65ab19723dbf. 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/ES7739408016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3197388c9bc8f5d054cd944f22c888616ce9675c0acab6a385d1f0c2042d3d60. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/ES7739908302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb9ee55c9db8c431f93fec3447f0f6ecac3130a3d6af60a18093d1413ba8d805. 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/ES7730108295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f838fe1f626c6185ef78d9a7069134d6a0c435beff8f6061b8f1142fac1f5f7. 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/ES7730308471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7674c32708c6f11e3b7fe024d599d7a67fe3aaf59fcdcc1a5f74386df3db4d5. 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/ES7730208625.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5cf7d4857889ce8e20d0fde7a8dc121cdd3042b3283cc9ec04116f62b8ec6bc. 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/ES7739508026.
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
CSM 293 El Juglar De Lombardía "Par Deus, muit' é gran dereito"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf5e3926c5151ab1b978acead0edebdb50b224ce4b1e8f3c230f19ccb1586dbd. 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/ES7730308507.
Kullí f- Wyúdak / Sqání Hadh l-Mdám. "Misticismo". PN-200
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0346719f08d161901944924bed475b02d442dc6357e52380c8aac4b6df62572. 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/ES7730008408.
Bitayhí: Zejel "Oh Cría De Gazela", Zejel "Este Amor". "The Splendour Of Al-Andalus" (M.A.-M026A)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aa61e804086a1101ecb0b84e8567d71dbd6e4f7185abe161743afb135b50bab. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/ES7730208727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb5c9951016637163b1faa677157772bd7f62423366159a96f893296e8024467. 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/ES7739808271.
San'a 'Indama Sadá - Min Suhayba Barat - Gazálum Samá. "Nuba Al-Istihlal". PN-250
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x703058a3d7536a07393776e4759db20d8e73ba49326ca50f3cc96216dfb84be4. 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/ES7730008469.
Twíshya Qá'im Wa Nisf De La Nuba 'Ushsháq, San'a bi-l-l'ah yá nasíma s-sabá. "Luz De La Mediterranía". PN-090
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49b7e0b3c68b59e55cdbbd24553b6d0f3c62f90cba14593c495ac44240f95929. 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/ES7730208728.
Oración De Medio Día. "Alarifes Mudéjares". PN-170
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4189e5cb274c7e9d118af7d0c6dbfb7eab8ad1e7bf3fca301de2731a6634725b. 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/ES7739908295.
Twishya Isbihan. "Escuela de Tetuán - Tánger". PN-150
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe293fe3cf4b27fcd587fda03d438f36b03d23a365e38641d1d00c87ac5df0087. 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/ES7730208729.
Nawá Shanbar. "Danzas Medievales Españolas" (M.A.-M034A)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c4230a790231cdfff019abad5fe023129e4ce3750d68bdb19e276badb3f0b97. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/ES7730208726.
Las Noches Del Encuentro "Laili Al Wasl". "Jardín De Al-Andalus". PN-120
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f0f3969650789a83844a8195b72c4f224641d1ca885d5a0234862a26c71ce5c. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/ES7739908221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24cbea65a6a78dd725d9eca49d714b46219b9fb884a8fa88557cc12e5c3c9825. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7739908220.
Ky Eshmerá Shabat / Si Observo El Sábado
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01bfe2ce61115d485e7a958fbd666dae1231a0abb15cd0108d57a3527ff82fb8. 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/ES7730308568.
Maluf De Constantina. Andalusí De ArgeliaTradicional
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5ba57426fc338851000653472288f79eed9aff58b99f8d3143326ceeba88c8. 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/ES7730208661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9757bf71ca87fe27c62a36c937c4f70e7cb700f29050adc2415de33e400df8eb. 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/ES7731308030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa43c8af807a18c6cf1efd52105f56ce9a07a1f6fc33d18ac93a9b5a8eaefbe69. 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/ES7731308028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x673aa6eebe8ef8237558bfaa21ecfe43b546544456e7f597a724d35395dce001. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7731308029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9794f96eac5f9789d37a7a0401cf37d1eb4b1272a445cb7fec7343f9293144e5. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/ES7730408299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0853f0d4aee4f34eae65f906d90e5570c0f926fc5b49b19f8a0094619eea8db7. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7731308031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31795df0024b21277ab86a137437049c6942135ccd622a121276876af68a9ba0. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/ES7731308032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7d35663470d2302a85f88a1f5c6e5c028c8c76889d6af393b4805a9f49f5438. Chain 2 (Bitcoin): anchored in block 957057 (2026-07-07T15:21:38Z), 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/ES7731108068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab144716d0f263ecfb41667f8da311a98f1d84c92ff61f293c901999b04255d. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/ES7731108072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04fb5c03dbef1a4a850c4aab17f6cc18f888c3da92f25d91b30a743473694579. 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/ES7731108076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8287fc2ce0e8ad668086ca5a5219e20177ca84ef31da1a7e13f08b0a69a3643. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7731108065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ce909fd749f5cb8aca80d81c44f0f858f29a12d9d0931736ff1229174b5a1c. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7731108067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843958a315b0852405a158127bb1b1166830c22539946573b622c63c590eaf19. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/ES7731108077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb45fd9dfcf5d0c531f2a6184670433a50979f0115998dccae176a45a5638687. 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/ES7730908078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe32054b3b6562ae5f0065667b88ccc0bf056c33b30a2b015c44bf3b608854ff8. 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/ES7730908082.
Maravilla Es Quien Ama Apasionadamente / Adórnate Amor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7165e9997141083b9aa8456294540e4d65c992842b6158fc11e694d756b22997. 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/ES7730908083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c03221bf3b837e59e3ace842f6a186e13d9b4771e5f97a59f8b4bf936617c7. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/ES7730908080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb6e5691499c9b18aec70585c2368006c66dd986bec0235139f747750254a8e7. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/ES7730908081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f22b282efa49b4fcbf967d26d52a3a40d52ff7e156659906cc9afd51d8e4fa7. 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/ES7730908085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ff9bf2cc098bcd79bce4729209ab6155807e34b3f89977fcb28fec5f116661a. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/ES7730908086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57bbf5992d8dc972d4df598ee5cbde66b365931693b23f2a331e946ad812f8ad. 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/ES7730908092.
La Fortaleza. Rodrigo, Vasallo De Alfonso VI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb03fc273e55fb51cd1849fc62e60688762f94d88885669608b98b781c9ad9a5. 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/ES7730508219.
Los Judíos Y La Mordedura De Un Perro. Los Destierros
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a2c9816f7bc38322cb22f9d01676a958c1a6e20a252858e8639ab149d20e3d0. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/ES7730108340.
La Fuente. Arte Efímero - Arte Eterno. "Alarifes Mudéjares"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3197388c9bc8f5d054cd944f22c888616ce9675c0acab6a385d1f0c2042d3d60. 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/ES7739908302.
Samai Bayati. "Joyas de la Música Culta Árabe"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb9ee55c9db8c431f93fec3447f0f6ecac3130a3d6af60a18093d1413ba8d805. 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/ES7730108295.
El Cantar De La Conquista de Almería (Poema Épico Románico Y Trovadores De Alfonso VII El Emperador, 1147)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c3340e851e145f361629c0c90e27b154896bf6c80ad9e312a03fb3930dbae05. 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/ES7730608202.
CSM 14 El Dominico De San Pedro De Colonia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac4891aa77d90f5bbe65d1693ed18ce0b93e23b8ab6cc6b1f85c7ff6d3e8622e. 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/ES7730808330.