Jorge Alberto Negrete Moreno (; 30 November 1911 – 5 December 1953) was a Mexican singer and actor. He specialized in the musical genre of ranchera. His posthumous album "Fiesta Mexicana Volumen II" h
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 0xe7b36c3a25243136e1c3b62795f4ef9120767a274abbaeaf8602987392c61785. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ee1dfda-8519-4485-b092-bf693898a754.json and https://artists.proofprofile.net/proofs/artist/9ee1dfda-8519-4485-b092-bf693898a754.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jorge Negrete, Trio Calaveras y Silvestre Vargas
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 0x2c02f693739ff1f1d525332103ea9e054490ed95a00b67d572c812e939e889c3. 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/MXF330910885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b782f4a194812847da44736bfb694473a075bbe34f6749f3a8a775fc6b33188. 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/QMDA61398188.
Tesoros De Coleccion - -Victor Cordero A Traves De Sus Mas Bellas Canciones Y Sus Mejores Interpretes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2467fb4b7ad81124721f3fcca70d0c67b8fbd5fb4a88150ea501d9ebfbd8fab. 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/MXF010400064.
Bicentenario 200 Años de Música en México
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe221a3ec06c4da035e6368074a6e7e57bcee884ad07761f7c03c6eec34b6b708. 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/MXF010400063.
Amor Con Amor Se Paga (with Jorge Negrete)
Tesoros de Colección - Los Mejores Duetos Rancheros de la Historia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbefa47dcb564eadde46b84459eab197c39075aec5650ce8893ec13af9c7600c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/MXF019601600.
Tesoros de Colección - Las Estrellas de la Hora Azul
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x594feca8ca88e484e0c9d7ba82691d87207bd1bfe214db355bbcd06993d61140. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/MXF010400047.
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
Las Grandes Canciones Rancheras que Debes Escuchar antes del Fin del Mundo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52f10723792dd35d2750a7706d5b4562f836eef9253ef295b3cb81e60fcb5e52. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/MXF016000016.