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 0x7b92a80988cd5033d3437671126bd525653e4a90760b9241f811113788034be3. 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/2f0a3775-9701-44a5-94ce-7370a659b18f.json and https://artists.proofprofile.net/proofs/artist/2f0a3775-9701-44a5-94ce-7370a659b18f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Exitos Internacionales Con Los Violines Magicos De Villafontana - Versiones Originales
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 0xc578d563cf97935dd0b2096b9b6949be169534e83a4b2db5ca2a1ac47d9a4f28. 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/MXF010001646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2887c7c1af9a90f6e2f81da575db53d8a7e2c2fd9ad00ea2de3341ac4aa703. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/MXF018600988.
Popurri: El Hombre de la Mancha / Dulcinea / Me Simpatiza El / Sueño Imposible
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafec8cc77b4c3d8d8fe36df28eca6592b29815f58c0938fe661451bf48364ca6. 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/MXF016900178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8efcfa57761ad3aebbce4a9f96d696c0c25c13760465f7d8fadb5013edb49f20. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:32:41Z), 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/MXF019901305.
Un Hombre Y Una Mujer - A Man and a Woman
Violinista Sobre el Tejado (Filddler On the Roof)
Popurrí Mexicano No. 1 (La Borrachita / La Panchita/ Las Alteñitas)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0df6638ad231a83a1c34589cfc6e5a045ceed352af45e60eb4c0c9bd3a7885. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T22:01:20Z), 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/MXF010001642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd65b6aa45b7f7435673539fb8414a262e3fe215dedb791090398e4283a46ddf1. 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/MXF010001658.
Nunca Volveré a Enamorarme (I Will Never Fall In Love Again)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71b71ddefe991cf73a1005e12960891ea82796cb505b432d2c74a6c5e0ef4b29. 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/MXF010001643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b4aa6569e2ef05a3537a2e736b94053ef1653129000ffb63c53a2bdf1b295cb. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/MXF010001644.
Que Clase De Tonto Soy (What Kind Of Fool Am I)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05dd13c751907e44dc76969b4e586bdd28c2369beda03b486b0ab19cfce85a53. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/MXF010001645.
El Amor Es una Cosa Esplendorosa (Love Is a Many Splendored Thing)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ec9d0026f45c322d5772a10fb34b44608189184637c1a56f6f290f4765b0205. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:30:34Z), 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/MXF019600615.
Los Problemas De Tu Mente (The Windmills Of Your Mind)
Fascinación / La Vuelta al Mundo en 80 Días
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7067c1f8422b012cbf7ddb7b38bc185ae2737e82c61c02d067ca369ec2993658. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T08:35:17Z), 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/MXF010001648.
Buenos Días Lucero de la Mañana (Good Morning Starshine)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce49d6646f7b9faed3c53d9fd4c2ee2b6f12f9ba7c591042045e63ea3587a5e1. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/MXF019901309.
Un Niño Llamado Amor (Une Fille Nommee Amour)
Tres Monedas en la Fuente (Three Coins in the Fountain)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe993469633e00f8e3163d62fe715d1b2a70a48b4dfebadcbf3fc00b2c9a3cd5d. 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/MXF010001671.
Fantasía Italiana: Torna a Sorrento - Popurrí
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bd961279eb07f150988f7248d8c7a971999692c366c86b56628b40412825652. Chain 2 (Bitcoin): anchored in block 956809 (2026-07-05T17:21:05Z), 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/MXF019600634.
Popourrí de Agustín Lara y Temas Musicales de Películas Inolvidables
Popurrí: Agustín Lara (Granada / Solamente una Vez / Noche de Ronda/ Azul/ Palmera/ Mujer/ Granada)
Fragmentos de la Suite Mascarada - Vals/Galopa [Masquerade Suite]
Música de Películas y Melodías Mexicanas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf9c06fa3c84e37f2d2d1dabc865d64c7c8a6332c4cc92201556c82c1a2ed4de. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/MXF019500891.
No Puedo Dejar de Mirarte (Can't Take My Eyes of You)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x278183c23820a0da5867e83c5872f5d4d8cc640d8e6fcdb5d931cf119c7f491c. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T22:14:41Z), 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/MXF019700979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae95df822697cf4445191be464a8a28ca4572801ccf98d83b0ee03be63edfca. 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/MXF016300528.
Gotas de Lluvia (Raindrops Keep Falling on My Head)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52584b579d3353fc749136cb9ecb2df0604bc6c8b2c3e95437c5f480af6a513c. 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/MXF010001672.
Temas de Bernstein (María / Tonight / I Feel Pretty)
El Zumbido de la Abeja (Flight of the Bumblebee)
Tú Me Haces Sentir Joven (You make Me Feel So Young)
Santa Claus Llega al Pueblo (Santa Claus is Coming to Town)
Lo Esencial De La Música Instrumental Más Hermosa Del Mundo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x969ab4e04a0cb177a43a8efed46eff0210346ebfc46df38c0721b72ae7fcb6e7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/MXF019602359.