1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xf951fbec173b8b7a666f3f61d2220590b922e65d92f6535849f3d721685874d8. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cb9db77a-d1f5-4eb2-b8ed-84a0b1efdf3d.json and https://artists.proofprofile.net/proofs/artist/cb9db77a-d1f5-4eb2-b8ed-84a0b1efdf3d.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 → block OTSBitcoinBlock must exist at that height 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 0x3d39ebfa2cf1c098ce39615a674e6bf57cf1ab6e0ccc77a932b78b7d655973fc. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42294233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd48b711f154e237ab4f7ff9e1bfce8ed50c48428395ce47ec3bfad30c182d0f. 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/QZZ972343752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b16ac6ca745c57d0ce70a8bf998598e110b752008f64bf4f7296a005a8f435. 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/QZZ972343754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eaf45663e79978bda354d5b2176115b5c98a7d98f11862c51852885d2b99fd0. 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/SE6HN2265167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafb3dba9ffeb29e17ea920ded6c0dbee9b10a2a0ef16f83f4d3496c281558430. 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/QZZ972343758.
Los Que Luchan (feat. Kincha Rap, Oscio, Sarone El Orate & DJ Vilaz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aba4602cedfdcb909733dabb96cd3fba67395bd6b5fa3cdc3504dbf895e5fbc. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADJ1734051.
Recuerdos De Cuneta (feat. Sponer, Camaleon Landaez & DJ Vilaz)
Batalla Interna (feat. Big Broka, Shira De La Murga & DJ Blaky)
Hip Hope (feat. Camaleon Landaez & DJ Vilaz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10811e05380bed740440b6510df4a5ef12a12ed65ab3d351cd69442fc2c6c5e. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADJ1734089.
Una Vida En Mi Memoria (feat. Veider DJ Bototo)
Historicos (feat. Intriga, Fisa, Atomoss, Dominio, Andy, MC Bufone, Acker & Sarone El Orate)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf615a5cc0d0f3735aafd46ed63f1494c498206cf91f347695e19c65dd0ab5f57. 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/QZHN72103509.
Quieren Rap Ctm (feat. DJ Vilaz CreaBeatbox)
El Rap Sigue En La Poblacion (feat. Basek)
La Ronda Mas Kabrona (feat. El Shaaki (Elixir De Beat))
Rap Sin Color Ni Banderas (feat. Dave Bee)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x221e179745d64d36edc0d50fb31631479a08042f31b1a38b292b73262300df4f. 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/TCADF1796921.
Soldado De Sombra (feat. Mancha Terrorista, GranNota, Desero, Bassone & BigBroka)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0ae96575aa4808b10f87db6e81c7a286e5ae2ecf1574fee906649b0c0163b10. 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/USDY42189521.