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 0xbb919fb1783f7b0e2d7d550247ad6963eb824b00df263c36e3ce4e0930c70209. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/396a7082-af43-4341-9e43-00758bd03a41.json and https://artists.proofprofile.net/proofs/artist/396a7082-af43-4341-9e43-00758bd03a41.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A TIENTAS (Banda sonora El truco del manco)
A TIENTAS - Banda sonora El truco del manco
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 0xc87e7209d85575c708d7870fc9a5ebd5dd851becb580ac36d379c02344118508. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2428177.
Chiringuito de Pepe (Banda Sonora Original)
Chiringuito de Pepe - Banda Sonora Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a37e4bb76f443fd9169618c00c4963dac51b780efae307a2437773d7183374. 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/ES8581400098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a37e4bb76f443fd9169618c00c4963dac51b780efae307a2437773d7183374. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES8581400098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5678e7b09bbcbc0dc784dcee33a62dfce8e527454ffe4da1e213a989b96e57cd. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/ES8581500016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25a34527850d41e99b1ea2f5bc49db26db1139d853d1626775e6b51856b5834d. 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/ES8581500017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccaca4e8bd83b908f49c2b82d8ce7793560b9779d6098d68bd5062c305f2cd54. 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/ES8581500018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38acfc48bf6324518b35ef96d74135bfb52cf8dedf8c88e8e9eeb4ca60445e33. 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/ES8581500019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba878072ff01d0335b1ad9ce68ad758530ce4283f790eec58667dd32e2182a89. 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/ES8581500020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7aacdfeef561f8c1f42ab6879fa9b74b3c5f4bca7ec2ba8ec8754e7df13c56e. 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/ES8581500021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911c1d79028e09319b37bc9595aaf4eb83722e6230789179d7be9cfe3fe24c11. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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/ES8581500022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1863cc442750a2b17c6e9b59fc2eb8b993a9601b76af84fdd10f9133618c407. 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/ES8581500023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcedaf8901a6dd9a44586227303f0d94013dc71ce8a14a8afc42c422f406ee1dc. 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/ES8581500024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f80dd825ed2b3661ec016610037a7dbab08dd498d9244e025e27d6eb28c960. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/ES8581500025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e1e8efb4e0d281596142d3f5a74c67411d1c65ae941776d425d0755e0bd8df. 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/ES8581500026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86d3db1d0fd1af896203f699d6302e6cc5f62a908a000767c447f61d36fbef72. 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/ES8581500027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f85cedd07c5b736883cbfbd117ccb8c9afe0c81a3a62dcc08a11fa219e51b3e. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/ES8581500028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e3c6e25ca137cc7f6ca21f13963f31224bb45154eb0a7a4b9d8dffa1efd673e. 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/ES8581500029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa4145b5ef9da10ca17e4dc4dc6d5029d8ade0ca45fab577804fd29f53f362b9. 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/ES8581500030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd92ed5d0af5720d6f8dfdc17db4ef241208dcacc0d87787ad23b0cdb69120cf8. 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/ES8581500031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3533fae94c7ba6dff1d0d45f4479f8981f99f673066a9fa664fecf4ec758423e. 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/ES8581500032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7aacdfeef561f8c1f42ab6879fa9b74b3c5f4bca7ec2ba8ec8754e7df13c56e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ES8581500021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1863cc442750a2b17c6e9b59fc2eb8b993a9601b76af84fdd10f9133618c407. 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/ES8581500023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x951e361e932c34b74cca99a8b5ba4573840f250509fb34f99f4638fd2610e474. 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/ESA011635035.
Se Buscan Valientes (12 Meses / Mediaset)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5906e5e6dde979cb6d6686c277c442e992d91f03b7833d722612d2893fdbe25. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES64E2205302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6ebc258d7d635d46e98fb5c297fd82995175f16544abf67459d60fa85e7ebd8. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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/ESA092295407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4441421de8a323684c0b57a7363bd87349aff89c7287dc833168ca2416f92f59. 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/ESA092295408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a0b2bae6c977381ccfe4455b5af3c890390aca4844b215394b9b645c7b4de00. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/ESA092295409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x763f1df6a2b398ef3940ad2d0b93307de14543f3b7fcc2928abb9fd12d1584e0. Chain 2 (Bitcoin): anchored in block 957805 (2026-07-13T04:34:37Z), 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/ESA092295410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a27ce57a9ca83ab2440785b9c33d862c2e9de0d8a93fdaf6859871f762ad9c6. 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/ESA092295412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeadc0d3489ac804f460c11b16cb310f66bb206e8e10039dd6434a1331c81d94e. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/ESA092295413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa8538afb6c93c647921a1f8fecdf193f17d1f616483920505994022044b7910. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/ESA092295416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f79271a3b87cad69ffd5ffe9e23d7fbc76b1e983d69aea23faa50fd4620db05. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA092495100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbef01d25e7775310a7f9ae33281b3de1c22e1cc83a97fecff88d3510570cc9f7. 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/ES71G2425460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3794282651b4eb1fddb247a6bcd58630b28241a332469841a2a764db3e51f75. 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/ES71G2510430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aad7eacdaa93db9d4bce935c9e22b07a17b6da355a87e7ef4e491188e41751b. 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/ES5151000459.