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 0xe6c4db76eda8fa329201767d9f62ff12b5a1c89db071ee42358c2798ec5d69d9. 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/4c10349e-6950-442b-9d52-11a2e3c7e222.json and https://artists.proofprofile.net/proofs/artist/4c10349e-6950-442b-9d52-11a2e3c7e222.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Golden Age of Light Music: The 1930s Vol. 2 - In Town Tonight
Happy' (Selection Intro): I want to be happy, Happy days are here again, Happy
Ice Rink' (Selection Intro): Skaters Waltz, Wine Women and Song, Casino Tanz, Artist's Life, Count of Luxembourg, Valse Septembre
In Town Tonight ('Knightsbridge' from 'London Suite')
A Bouquet of Flowers' (Intro): Won't you buy my pretty flowers, Valse des Fleurs, Roses of the South, Hearts and Flowers, Wedding of the Rose
Procession of the Sirdar (From 'Caucasian Sketches')
Mr. Whittington' (Selection Intro): Oceans of Time, Whoops for the Derby Day,
Rare Experimental Stereo from 1934 (Bonus Track)
Le monde merveilleux de la musique de genre
Elgar Rediscovered: An Anthology of Forgotten Recordings
Violin Concerto in D Major, Op. 61: I. Allegro ma non troppo
Milestones of a Legend: Alfredo Campoli, Vol. 3
Violin Concerto in D Major, Op. 61: II. Larghetto
Violin Concerto in D Major, Op. 61: III. Rondo. Allegro
Milestones of a Legend: Alfredo Campoli, Vol. 10
Violin Concerto in D Major, Op. 35: I. Allegro moderato
Tchaikovsky: Violin Concerto; Swan Lake (dances)
Violin Concerto in D Major, Op. 35: II. Canzonetta. Andante
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 0xa3e348e8ce255077ceaa448cbe93f870733e016da75d6eff903df251b539670f. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GBF075611532.
Violin Concerto in D Major, Op. 35: III. Finale. Allegro vivacissimo
Violin Concerto No. 3 in B Minor, Op. 61: I. Allegro non troppo - 2024 Stereo Remaster
Saint-Saëns: Violin Concerto No.3; Kreisler/Paganini: Concerto in One Movement; Wieniawski: Légénde; Sarasate: Zigeunerweisen (2024 Stereo Remaster)
Violin Concerto No. 3 in B Minor, Op. 61: II. Andantino quasi allegretto - 2024 Stereo Remaster
Violin Concerto No. 3 in B Minor, Op. 61: III. Molto moderato e maestoso – Allegro non troppo - 2024 Stereo Remaster
Concerto in One Movement (After Paganini, Violin Concerto No. 1, Op. 6) - 2024 Stereo Remaster
Zigeunerweisen, Op. 20 - 2024 Stereo Remaster
Alfredo Campoli: The Bel Canto Violin - Vol. 4