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 0x26190d17238fe9c0be06f32fa4aaf1d6eb204457131e2217a8af85ab8b90af70. 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/57ab57cc-705c-48df-b2fd-528beaacc123.json and https://artists.proofprofile.net/proofs/artist/57ab57cc-705c-48df-b2fd-528beaacc123.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bigaglia: VII Sonate per flauto dolce e basso continuo
Flute Sonata No. 1 in D Major, Op. 1: I. Adagio
Flute Sonata No. 1 in D Major, Op. 1: II. Allegro
Flute Sonata No. 1 in D Major, Op. 1: III. Largo
Flute Sonata No. 1 in D Major, Op. 1: IV. Presto
Flute Sonata No. 4 in G Minor, Op. 1: I. Adagio
Flute Sonata No. 4 in G Minor, Op. 1: II. Allegro assai
Flute Sonata No. 4 in G Minor, Op. 1: III. Siciliana
Flute Sonata No. 4 in G Minor, Op. 1: IV. Presto
Flute Sonata No. 5 in E Minor, Op. 1: I. Cantabile
Flute Sonata No. 5 in E Minor, Op. 1: II. Allegro
Flute Sonata No. 5 in E Minor, Op. 1: III. Andante
Flute Sonata No. 5 in E Minor, Op. 1: IV. Presto
Flute Sonata No. 6 in B-Flat Major, Op. 1: I. Adagio
Flute Sonata No. 6 in B-Flat Major, Op. 1: II. Allegro
Flute Sonata No. 6 in B-Flat Major, Op. 1: III. Andante
Flute Sonata No. 6 in B-Flat Major, Op. 1: IV. Allegro
Flute Sonata No. 8 in E Minor, Op. 1: I. Adagio
Flute Sonata No. 8 in E Minor, Op. 1: II. Allegro
Flute Sonata No. 8 in E Minor, Op. 1: III. Adagio
Flute Sonata No. 8 in E Minor, Op. 1: IV. Allegro
Flute Sonata No. 11 in C Major, Op. 1: I. Adagio
Flute Sonata No. 11 in C Major, Op. 1: II. Allegro
Flute Sonata No. 11 in C Major, Op. 1: III. Andante
Flute Sonata No. 11 in C Major, Op. 1: IV. Allegro
Flute Sonata No. 12 in F Major, Op. 1: I. Grave
Flute Sonata No. 12 in F Major, Op. 1: II. Allegro
Flute Sonata No. 12 in F Major, Op. 1: III. Affettuoso
Flute Sonata No. 12 in F Major, Op. 1: IV. Vivace
Flute Sonata No. 1 in D Major, Op. 1, No. 1: I. Adagio
Flute Sonata No. 1 in D Major, Op. 1, No. 1: II. Allegro
Flute Sonata No. 1 in D Major, Op. 1, No. 1: III. Largo
Flute Sonata No. 1 in D Major, Op. 1, No. 1: IV. Presto
Flute Sonata No. 4 in G Minor, Op. 1, No. 4: I. Adagio
Flute Sonata No. 4 in G Minor, Op. 1, No. 4: II. Allegro assai
Flute Sonata No. 4 in G Minor, Op. 1, No. 4: III. Siciliana
Flute Sonata No. 4 in G Minor, Op. 1, No. 4: IV. Presto
Flute Sonata No. 5 in E Minor, Op. 1, No. 5: I. Cantabile
Flute Sonata No. 5 in E Minor, Op. 1, No. 5: II. Allegro
Flute Sonata No. 5 in E Minor, Op. 1, No. 5: III. Andante
Flute Sonata No. 5 in E Minor, Op. 1, No. 5: IV. Presto
Flute Sonata No. 6 in B-Flat Major, Op. 1, No. 6: I. Adagio
Flute Sonata No. 6 in B-Flat Major, Op. 1, No. 6: II. Allegro
Flute Sonata No. 6 in B-Flat Major, Op. 1, No. 6: III. Andante
Flute Sonata No. 6 in B-Flat Major, Op. 1, No. 6: IV. Allegro
Flute Sonata No. 8 in E Minor, Op. 1, No. 8: I. Adagio
Flute Sonata No. 8 in E Minor, Op. 1, No. 8: II. Allegro
Flute Sonata No. 8 in E Minor, Op. 1, No. 8: III. Adagio
Flute Sonata No. 8 in E Minor, Op. 1, No. 8: IV. Allegro
Flute Sonata No. 11 in C Major, Op. 1, No. 11: I. Adagio
Flute Sonata No. 11 in C Major, Op. 1, No. 11: II. Allegro
Flute Sonata No. 11 in C Major, Op. 1, No. 11: III. Andante
Flute Sonata No. 11 in C Major, Op. 1, No. 11: IV. Allegro
Flute Sonata No. 12 in F Major, Op. 1, No. 12: I. Grave
Flute Sonata No. 12 in F Major, Op. 1, No. 12: II. Allegro
Flute Sonata No. 12 in F Major, Op. 1, No. 12: III. Affettuoso
Flute Sonata No. 12 in F Major, Op. 1, No. 12: IV. Vivace
Bigaglia: Miserere, Missa in F Major & Credo in F Major
Mass in F Major: IV. Gloria in excelsis Deo
Mass in F Major: VII. Gratias agimus tibi
Mass in F Major: XIV. Cum Sancto Spiritu
Bigaglia: Cantate per soprano e continuo
Violin Sonata in B-Flat Major, Op. 1 No. 10
Violin Sonata in B-Flat Major, Op. 1 No. 6
Diogenio Bigaglia: Miserere / Missa in F (Antonio Lotti: Credo in F)
Missa in F: Gloria in excelsis Deo - Gloria
Missa in F: Gratias agimus tibi - Gloria
Oboe Concerto in B-Flat Major: I. Allegro
Oboe Concerto in B-Flat Major: II. Adagio
Oboe Concerto in B-Flat Major: III. Allegro
Sonata for Recorder and Continuo in A minor: 1. Adagio
Sonata à violoncello in G Major: I. [Largo]
Venetian Cello Sonatas. Under the Shade of Vivaldi
Sonata à violoncello in G Major: II. [Allegro]
Sonata à violoncello in G Major: IV. [Allegro]
Corelli / Veracini / Sammartini: Baroque Music for Recorder
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 0xfce570ca950921a1c228f5929016bcb36d421c177f25bd3437bba486b19dc4c2. 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/SEAEJ0245060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf9c4d06c228b345121220229d2810e91e5649ff1031d70887ea22f362cef87d. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/SEAEJ0245070.
Recorder Sonata in A Minor: III. Tempo di Minuetto