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 0x2ddd5f3650d0e4ac26e0bc73b3bfbf6d4546dad26a58756aef2ffbeb465a74d3. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4ba4235c-1517-4996-8c9c-e5514a070c15.json and https://artists.proofprofile.net/proofs/artist/4ba4235c-1517-4996-8c9c-e5514a070c15.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Golden Classics. Vivaldi: The Four Seasons
Concerto No. 1 in E Major, Op. 8, RV 269, "Spring": I. Allegro
Concerto No. 1 in E Major, Op. 8, RV 269, "Spring": II. Largo e pianisimo sempre
Concerto No. 1 in E Major, Op. 8, RV 269, "Spring": III. Allegro pastorale
Concerto No. 2 in G Minor, Op. 8, RV 315, "Summer": I. Allegro non molto
Concerto No. 2 in G Minor, Op. 8, RV 315, "Summer": II. Adagio e piano – Presto e forte
Concerto No. 2 in G Minor, Op. 8, RV 315, "Summer": III. Presto
Concerto No. 3 in F Major, Op. 8, RV 293, "Autumn": I. Allegro
Concerto No. 3 in F Major, Op. 8, RV 293, "Autumn": II. Adagio molto
Concerto No. 3 in F Major, Op. 8, RV 293, "Autumn": III. Allegro
Concerto No. 4 in F Minor, Op. 8, RV 297, "Winter": I. Allegro non molto
Concerto No. 4 in F Minor, Op. 8, RV 297, "Winter": II. Largo
Concerto No. 4 in F Minor, Op. 8, RV 297, "Winter": III. Allegro
Concerto in A Minor, RV 420: III. Allegro
Concerto in D Minor, BWV 596 (arr. of Vivaldi's Violin Concerto in D Minor, RV 565): I.
Concerto in D Minor, BWV 596 (arr. of Vivaldi's Violin Concerto in D Minor, RV 565): II. Fuga
Concerto in D Minor, BWV 596 (arr. of Vivaldi's Violin Concerto in D Minor, RV 565): III. Largo e spiccato
Concerto in D Minor, BWV 596 (arr. of Vivaldi's Violin Concerto in D Minor, RV 565): IV. Finale
11 Chorale Preludes, Op. 122: No. 7. O Gott, du frommer Gott
11 Chorale Preludes, Op. 122: No. 10. Herzlich tut mich verlangen
Panorama from the Ballet "The Sleeping Beauty"
Organ Sonata in D Major, Op. 65, No. 5: I. Andante
Golden Classics. Masterpieces Of Organ Music
Suite gothique, Op.25. IV - Toccata: Allegro
Prelude and Fugue on the motive B-A-C-H, S.260i. Prelude
Prelude and Fugue on the motive B-A-C-H, S.260i. Fugue
3 Pieces for Organ: No.1. Fantaisie in A, M.35
3 Preludes and Fugues, Op.37. No.1 - Prelude in C minor
3 Preludes and Fugues, Op.37. No.1 - Fugue in C minor
Prelude and Fugue in E-Flat Major, BWV 552, "St. Anne": Prelude
Prelude and Fugue in E-Flat Major, BWV 552, "St. Anne": Fugue
3 Preludes and Fugues, Op. 37: No. 3. Prelude in D Minor
3 Preludes and Fugues, Op. 37: No. 3. Fugue in D Minor
3 Pieces for Organ: No. 3. Piece Heroique in B Minor, M. 37
Golden Classics. Bach - 20 Greatest Works For Organ (CD2)
J.S.Bach. Fantasia and Fugue in A minor, BWV 561
J.S.Bach. Toccata and Fugue in D minor "Dorian", BWV 538
J.S.Bach. Prelude and Fugue in E minor "Wedge", BWV 548
J.S.Bach. Trio Sonata No.4 in E minor, BWV 528. I - Adagio - Vivace
J.S.Bach. Trio Sonata No.4 in E minor, BWV 528. III - Un poco allegro
J.S.Bach. Prelude and Fugue in C major, BWV 531
Golden Classics. Legends Of The Organ Music (CD1)
Eleven Chorale Preludes. No.7 - O Gott, du frommer Gott
Eleven Chorale Preludes. No.10 - Herzlich tut mich verlangen
Panorama from the ballet "The Sleeping Beauty"
Organ Sonata in D major, Op.65, No.5. I - Andante
Golden Classics. Legends Of The Organ Music (CD2)
Toccata and Fugue in D minor, BWV 565. Toccata
Toccata and Fugue in D minor, BWV 565. Fugue
Prelude and Fugue in C major, BWV 547. Prelude
Prelude and Fugue in C major, BWV 547. Fugue
Trio Sonata No.4 in E minor, BWV 528. I - Adagio - Vivace
Trio Sonata No.4 in E minor, BWV 528. II - Andante
Trio Sonata No.4 in E minor, BWV 528. III - Un poco allegro
Toccata and Fugue in F major, BWV 540. Toccata
Toccata and Fugue in F major, BWV 540. Fugue
Golden Classics. Gold Album Of Organ Music (CD2)
Prelude and Fugue in E flat major, BWV 552, "St. Anne". Prelude
Prelude and Fugue in E flat major, BWV 552, "St. Anne". Fugue
3 Preludes and Fugues, Op.37. No.3 - Prelude in D minor
3 Preludes and Fugues, Op.37. No.3 - Fugue in D minor
3 Pieces for Organ: No.3. Piece Heroique in B minor, M.37
Golden Classics. Gold Album Of Organ Music (CD1)
Golden Classics. The Famous Toccatas And Fugues
L.Boellmann. Suite Gothique, Op.25. IV - Toccata: Allegro
F.Liszt. Fugue on the motive B-A-C-H, S.260i
D.Buxtehude. Toccata in D minor, BuxWV155
F.Mendelssohn-Bartholdy. Fugue in D minor No.3, Op.37
J.S.Bach. Toccata and Fugue in D minor ("Dorian"), BWV 538
J.S.Bach. Fugue in G minor "Little", BWV 578
Golden Classics. 20 Masterpieces Of Organ
Suite Gothique, Op.25. IV - Toccata: Allegro
Concerto in A minor, RV 420. III - Allegro
Prelude and Fugue in G major, BWV 541. Prelude
Concerto in D minor, BWV 596. III - Fugue
Concerto in E major, Op.8, No.1, RV 269, "Spring". I - Allegro
Concerto in G minor, Op.8, No.2, RV 315, "Summer". III - Presto
Prelude and Fugue in A minor, BWV 543. Prelude
Golden Classics. Romantic Organ Classics
Eleven Chorale Preludes, Op. 122, No. 10
The Four Seasons: Winter. Allegro non molto
Golden Classics. Popular Music For Organ
Prelude and Fugue for Organ No.1 in E minor
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 0x919796141029743d032cfda8f523b0b69dd75abad729bb227c84933f4f5612b9. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/USA371439944.