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 0xe830907847fbacc3223a5cbf7c8941bb8c556fdce507d8badc6c2ca041f25ec5. 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/5994dfa8-c894-459d-9654-cede5c61b45f.json and https://artists.proofprofile.net/proofs/artist/5994dfa8-c894-459d-9654-cede5c61b45f.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf64dde9475b2d1a3e4f98822bba5821f5ab9d17db4d891a6ff41ae3b15f5874. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T10:59:31Z), 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/ARVW52000403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc66f6bd4868e9f64513954af78bf392b180af4c777e87502030cd6e7be3afcb4. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/TCAEX2076128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba1595dc04b9096bcdb77a19fc7aabe813130877521c9f66846724c915748aab. 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/TCAEZ2016511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x905ce8301e17c244ebdfa0cb98a39e2247d87428c8e719d37df9124dfc709d85. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TCAFO2194041.
Métele al Perreo - Cumbia Sonidera (Remix)
Tu No Bailas Mas Que Yo - Cumbia Version (Remix)
Vivir Así Es Morir De Amor - Cumbia Sonidera (Remix)
Party, Humo Y Alcohol - Cumbia Sonidera (Remix)
Aunque Te Enamores - Cumbia Sonidera (Remix)
El Amor La Cambió - Cumbia Sonidera (Remix)
Lo Que Dios Quiera - Sonidero Versión (Remix)
Vamos Que Nos Vamos - Sonidero Versión (Remix)
Contigo No Fue - Sonidero Versión (Remix)
Erase una vez pero ya no - Sonidero Versión (Remix)
Digan Lo Que Digan - Sonidero Versión (Remix)
La nena de Argentina - Sonidero Versión (Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe5ea39e6d8c655bcf418e6a223becc20abea5758c54b75edaff1a697a0896d. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/MXA3V2427816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7e1d51372419eac2a2addfce627cfa4685ad38353861cd324f106dcbb4d1ba9. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/MXA3V2430067.