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 0x5f289c7a29d4b6ab83c976a58914a91426a60922fb6277d3525b61d401173fa9. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5f149036-247a-4f51-ae5d-36a2ea6404b8.json and https://artists.proofprofile.net/proofs/artist/5f149036-247a-4f51-ae5d-36a2ea6404b8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tarragó: Sis peces breus, Dotze estudis de mitjana dificultat, Dos nocturns, et al.
Fantasy Sonata No. 3, Op. 26. Lento a Piacere (1st Movement) in A Flat Major. Guitar
24 Fantasías Románticas. El Eslabón Perdido del Romanticismo en la Guitarra
Saludo. Fantasía Romántica No. 1 en Do Mayor
Coraje. Fantasía Romántica No. 2 en Do Menor
Flor de Mayo. Fantasía Romántica No. 3 en Sol Mayor
Desesperanza. Fantasía Romántica No. 4 en Sol Menor
Paisaje Primaveral. Fantasía Romántica No. 5 en Re Mayor
Recuerdos de un Viaje a Italia. Fantasía Romántica No. 6 en Re Menor
¡Buenas Noticias! Fantasía Romántica No. 7 en La Mayor
Elegía. Fantasía Romántica No. 8 en La Menor
Gozo. Fantasía Romántica No. 9 en Mi Mayor
Nocturno. Fantasía Romántica No. 10 en Mi Menor
Nostalgia. Fantasía Romántica No. 11 en Si Mayor
Renuncia. Fantasía Romántica No. 12 en Si Menor
Arlequín y Colombina. Fantasía Romántica No. 13 en Fa# Mayor
Melancolía. Fantasía Romántica No. 14 en Fa# Menor
El Niño Ante el Misterio del Bosque. Fantasía Romántica No. 15 en Do# Mayor
Desconsuelo y Furia. Fantasía Romántica No. 16 en Do# Menor
Celebración. Fantasía Romántica No. 17 en Lab Mayor
Plegaria. Fantasía Romántica No. 18 en Lab Menor
Plenitud. Fantasía Romántica No. 19 en Mib Menor
Visita Inesperada. Fantasía Romántica No. 20 en Mib Menor
Fiesta Campestre. Fantasía Romántica No. 21 en Sib Menor
Conversación. Fantasía Romántica No. 22 en Sib Menor
Eloise. Fantasía Romántica No. 23 en Fa Mayor
Despedida. Fantasía Romántica No. 24 en Fa Menor
24 Romantic Fantasies. The Missing Link of the Romanticism in the Guitar
Greetings. Romantic Fantasy No. 1 in Do Major
Courage. Romantic Fantasy No. 2 in Do Minor
A Flower in May. Romantic Fantasy No. 3 in Sol Major
Despair. Romantic Fantasy No. 4 in Sol Minor
Spring Landscape. Romantic Fantasy No. 5 in Re Major
Remembering a Trip to Italy. Romantic Fantasy No. 6 in Re Minor
Good News!. Romantic Fantasy No. 7 in La Major
Elegy. Romantic Fantasy No. 8 in La Minor
Pleasure. Romantic Fantasy No. 9 in Mi Major
Nocturne. Romantic Fantasy No. 10 in Mi Minor
Nostalgia. Romantic Fantasy No. 11 in Si Major
Renunciation. Romantic Fantasy No. 12 in Si Minor
Harlequin & Columbine. Romantic Fantasy No. 13 in Fa# Major
Melancoly. Romantic Fantasy No. 14 in Fa# Minor
The Child and the Forest's Mystery. Romantic Fantasy No. 15 in Do# Major
Grief and Fury. Romantic Fantasy No. 16 in Do# Minor
Celebration. Romantic Fantasy No. 17 in Lab Major
Prayer. Romantic Fantasy No. 18 in Lab Minor
Plenitude. Romantic Fantasy No. 19 in Mib Major
Unexpected Visit. Romantic Fantasy No. 20 in Mib Minor
Country Festival. Romantic Fantasy No. 21 in Sib Major
Conversation. Romantic Fantasy No. 22 in Sib Minor
Eloise. Romantic Fantasy No. 23 in Fa Major
Farewell. Romantic Fantasy No. 24 in Fa Minor
Rialp. Concert For Guitar And Symphony Orchestra, Op. 70
Chronicle of an Impossible Love. 12 Intermezzi, Op. 33. Guitar
Atmosphere. Easy Pieces for a First Repertory. Guitar
Andante sostenuto, rubato e molto interiorizzato
Fantasy Sonata No. 2,Op. 21 in E Minor (First movement)
Fantasy Sonata No. 2,Op. 21 in E Minor (Second movement)
Fantasy Sonata No. 3, Op. 26 in A flat Major
Fantasía Sonata No. 3, Op. 26. I. Lento a Piacere
Fantasía Sonata No. 3, Op. 26. II. Intermezzo (Tempo di Vals)
Fantasía Sonata No. 3, Op. 26. III. Largo con forza
Variacions de la XIV a la XIX i Variació XX Coda
Fantasía Sonata No. 4, op. 27 en Re menor
Fantasía Sonata No. 5, op. 29 en Mib menor
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 0xe7bbc667ba468efb298e5ebf31e85295c5165ac139c2718fea734296be002253. 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/ES26B2202225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x605adc8f56b32f02ff5c18ee5505f3261e3375fb01fc6da33fc80f87a14ed6ab. 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/ES26B2202226.
01. Pic de l'Orri (Concert de Rialp, op. 70): 01. Pic de l'Orri (Concert de Rialp, op. 70)
02. Vall d'Assua (Concert de Rialp, op. 70): 02. Vall d'Assua (Concert de Rialp, op. 70)
03. Riu de Sant Antoni (Concert de Rialp, op. 70): 03. Riu de Sant Antoni (Concert de Rialp, op. 70)
04. Forza (Concerto da Vinci, op. 84): 04. Forza (Concerto da Vinci, op. 84)
05. Insegno (Concerto da Vinci, op. 84): 05. Insegno (Concerto da Vinci, op. 84)
06. Sensibilità (Concerto da Vinci, op. 84): 06. Sensibilità (Concerto da Vinci, op. 84)
Sonata op. 61 (Lento, Allegro, Allegretto tranquillo)
Sonata op. 61 (Allegro vivo, Allegretto tranquilo)