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 0xa98f41ca228caeb24bdb8243b5d0c0b5b5627601dfb4d407c4b8671e137fef6b. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fa89787b-2d85-4aa7-a215-646f780fe19e.json and https://artists.proofprofile.net/proofs/artist/fa89787b-2d85-4aa7-a215-646f780fe19e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rameau: Six concerts en sextuor-Britten: Simple symphony
Bartók: Élégies, Sz. 41 - Hindemith: Les quatre tempéraments
Vivaldi: Les quatre saisons-Concertos pour cordes
Concerto pour 2 Violons et Orchestre A Cordes Op. 3 N° 8 - « L'Estro Armonico »: 1. Allegro
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 0xe7ada5727730ccd9c3836c4aac6e5d65baa54c40efd65dc810aa63e4d38e4197. 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/FRZ396301490.
12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell' invenzione" / Concerto No. 4 in F Minor for solo violin,"L'Inverno" - RV297: 1. Allegro non molto
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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
Perles Du Baroque: Albinoni, Pachelbel, Bach, Haendel, Vivaldi
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Introduction, Aria & Presto (arr. E. Bonelli): 1. Introduction
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Ligeti: Ramifications - Guézec: Successif-simultané - Boucourechliev: Ombres "Hommage à Beethoven"
Vivaldi, Albinoni & B. Marcello: Œuvres pour orchestre à cordes (Mono Version)
Giazotto, Albinoni: Adagio - Bach: Aria de la Suite orchestrale No. 3 - Mozart: Sérénade nocturne & Une petite musique de nuit (Mono Version)
Mozart: Sérénades Nos. 13 "Une petite musique de nuit" & 6 "Nocturne" (Mono Version)
Vivaldi: Les quatre saisons, Op. 8 (Mono Version)
Bach: Suites orchestrales Nos. 2 & 4 (Mono Version)
Albinoni, Giazotto: Adagio - Corelli: Concerto grosso "Pour la nuit de Noël" (Mono Version)
Bach: Suites pour orchestre, BWV 1066 & 1068 (Mono Version)
Rameau: Six concerts transcrits en sextuor (Mono Version)
Mozart: Divertimentos, K. 334 & K. 136 (Mono Version)
Bartók: Divertimento pour orchestre à cordes - Hindemith: Thème et variations "Les quatre tempéraments" (Mono Version)
Musique italienne du XVIIe siècle (Mono Version)
Daniel-Lesur: Sérénade pour orchestre à cordes - Britten: Simple Symphony (Mono Version)
Giazotto, Albinoni: Adagio - Bach: Aria extrait de la Suite orchestrale No. 3 (Mono Version)
Vivaldi: Les quatre saisons, Concerto pour violon No. 3 "L'automne" (Mono Version)
Vivaldi: Les quatre saisons, Concerto pour violon No. 2 "L'été" (Mono Version)
Rameau, Anonymous: Concert transcrit en sextuor No. 6 (Mono Version)
Giazotto: Adagio pour cordes et orgue - Bach: Aria extrait de la Suite pour orchestre No. 3 (Mono Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa60f807ca7cd1ff79802c1fe586a4a6adee18845c85d4a30a6de287eca29a383. 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/FR3KD2300101.
Il pianto d'Arianna in E-Flat Major, Op. 7 No.6: X. Largo
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12 Concerti da Chiesa, Op. 2 No.4: I. Allegro moderato
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12 Concerti da Chiesa, Op. 2 No.4: III. Presto
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Concerto Alla Rustica for Strings in G Major, RV 151: I. Presto
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Concerto grosso in B-Flat Major, Op. 1 No.3: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3da073c634ee824b5b0394369744b46bb2a5f760eed0cfa061176cd0db78e52. 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/FR3KD2300126.
Concerto grosso in B-Flat Major, Op. 1 No.3: II. Allegro
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Concerto grosso in B-Flat Major, Op. 1 No.3: V. Allegro
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Il pianto d'Arianna in E-Flat Major, Op. 7 No.6: VII. Largo Andante
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Concerto Alla Rustica for Strings in G Major, RV 151: II. Adagio
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Concerto Alla Rustica for Strings in G Major, RV 151: III. Allegro
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Concerto grosso in B-Flat Major, Op. 1 No.3: III. Largo
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Concerto grosso in B-Flat Major, 1 No.3: IV.
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Haydn: Les sept dernières paroles du Christ en Croix
Rivier: Concerto Brève - Casadesus: Capriccio, Op. 49 - Wiener: Concerto No. 1 'Franco Americain' - Castérède: Concerto for piano and string orchestra
Kunc: Sonate pour violon et piano, Pièce pour alto et piano, Simples chansons pour piano et orchestre de chambre
Chaynes: Variations concertantes & Quatre poèmes de Sappho
Bach: Concertos pour violon, BWV 1041, 1042 & 1043 (Mono Version)
Felice Dall'Abaco: Concerto d'église No. 4, Op. 2: II. Largo
Concerto d'église No. 4, Op. 2: II. Largo
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6 Flute Concertos, Op. 10, No. 1 in F Major, RV 433: I. Allegro
Vivaldi: Mandolin Concerto in C Major, RV 425: I. Allegro
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Vivaldi: Piccolo Concerto in C Major, RV 443: I. Allegro
Orchestre de Chambre de Toulouse/Louis Auriacombe/Michel Sanvoisin
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Corelli: Concerto Grosso En Sol Mineur, G Minor Op.6 N°8 "Pour La Nuit De Noël" VI. Pastorale: Largo - Remasterisé En 1996
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Vivaldi: Mandolin Concerto in C Major, RV 425: II. Largo
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Concerto for Recorder in C Major, Op.44 No.11
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