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 0x67f2bd0af334631fec7b7ff5198886a1506530efa93c0a15940aff0534e22b13. 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/f81d4313-0f0e-4fed-8ad9-8e7bf2b1eba6.json and https://artists.proofprofile.net/proofs/artist/f81d4313-0f0e-4fed-8ad9-8e7bf2b1eba6.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 0xfd5533a658f6d8caddbccd3b736c348b79726153b75a6bb7af9a26ea98d5effc. 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/DOA231800069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb08445b626a3c5a4f628e148baab6cd1488337c5da3e0eed7585455f5f7bb23f. 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/DOA231800051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x971e1219ca49774e663d39c054badd9cf3311d4a82c7d5ff55020f826fb72e73. 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/DOA231800045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63fb3dee65ed816c81e9d14f005145baa0345643503cd8fcdd57fbd4ded5f542. 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/DOA231800094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a4edb35216f10be50f97a3cfebae05a9430a1cfb94b62b4cff9549f1950d223. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/DOA231800046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bb4231bf6a7a816f212580ab497ece02bc9a3ad470cab9576884391eca33611. 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/DOA231800052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6bb48e265ae3fb98961f30e7c31fa817d85bf087f55b76f5afd24c1990c7fb2. 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/DOA231800050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb979780d8e7639fd598953f25cdad9e8560395a6379e75b789c5be9000fcf1a6. 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/DOA231800100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77cc9f0af383b8c08dec8d1c6ab28222e36a26f89e9be41a29645f0d40e3926b. 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/DOA231800065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77cc9f0af383b8c08dec8d1c6ab28222e36a26f89e9be41a29645f0d40e3926b. 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/DOA231800065.
Dominicanos en Navidad: Merengues Con Sabor a Fiesta
Voces Dominicanas en Boleros & Canciones
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ed6d0313e376a9953da3cc7b42e6e4c3cb691f666905ada39d11e8c18489460. 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/QMDA62467221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5117bcbc8204b45392ce7431762aea7195d3f59f508e566c7a3f6e724825730b. 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/QMDA62467123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe983c4cd962f046ced3e1d68290502a6e705bee2c580b370f0a0ebd658de5357. 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/QM4TX2430783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x692b5f930bad374317326ec2d1b76e0696511f17e446666ce86f05cba9bc3bdb. 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/QMDA62467159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c62aadaa95228d20eb46057ccbf05d062bd37a7e7cd1dafe2c1d6c1ec808846. 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/QMDA62467220.
Medley Mayimbe: Baila En La Calle, Felix Cumbé, Cama y Mesa, El Gusto, Amaneciendo, La Lluvia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb569a4406995fb9af05d235283d3e51239e783e1abacfb4e096fab2f3eca62e9. 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/QMDA62467363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62a7ecfc37884136972d27e93a5733e8621430689e2bc308a3da87f0d05c7f31. 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/QM7282460863.
30 Aniversario - En Vivo Desde El Poliedro de Caracas
Déjame Acompañarte - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27b57c5ac3efa845f7d9f0d3f8266be757526b9a7ebc82e8e0df9fe673bf3e31. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/AUGBT2473307.
No Te Olvido - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88cb6d8b7201fda69e1988e596d06618232f2ab6250943c99020c7dd12a764c9. 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/AUGBT2473308.
Un Hombre Busca Una Mujer - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedd6bdf3a7f1f56015f52a83acf2d710f07849fa3dfd3431f32dbdf3f15af149. 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/AUGBT2473328.
Ahora Que Te Vas - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x701a46f29a59541b67cc9177ba85349b35035c17b8afeb24bb6558e114b7c9ea. 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/AUGBT2473335.
Mala - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe677ec5820e79d30169468b50a08d47fd47b7647f945cbd8920f106c696c4bd5. 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/AUGBT2473336.
Besos En Guerra - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x278b3cc1b80b5076be18467430ee9a9060c7df71bf614ada50431c9526dd4b11. 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/AUGBT2473337.
Enamorado de Ella - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b9bc4136768ce53be2347cf774e75a0156cba1cf2201d95452f7b8e5e90cddf. 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/AUGBT2473342.
Another Night - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f250e1557f3910189519db04da6577c177e9cb379dcb0ef01120342e51dde3e. 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/AUGBT2473354.
Noches de Fantasías - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ecedf9f081aa4e50c4618978b3b07d6591bdf27292a99a4085852504f04fbab. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-21T17:08:59Z), 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/AUGBT2473356.
Ella Dice - 30 Aniversario - En Vivo Desde El Poliedro de Caracas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d16339ac507c3f2cae8afc06855e41d6db319542d654de08a421f68d095de17. 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/AUGBT2473367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51706e6017a66b8c91fc7f9c29b07cddfda088ce23350e5e595b031a25381b10. 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/QMDA72421290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x610ec38e0b8dc00160e3d3625f7c5bbd4276d1fa10975ab2e100c332b7d06717. 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/QMDA72421291.