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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02326a5b0eb8d7d41fa67d139957c8733cb02ca58171134e1a3c77b04e9a482e. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f3991c5-4bf1-4451-b63f-c286ecb7d1bf.json and https://artists.proofprofile.net/proofs/artist/8f3991c5-4bf1-4451-b63f-c286ecb7d1bf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Boieldieu : Harp Concerto, Nicanor Zabaleta vs. Lily Laskine (Compare 2 Versions)
Concerto for Harp in C Major, Op. 77: I. Allegro brillante
Concerto for Harp in C Major, Op. 77: II. Andante lento
Concerto for Harp in C Major, Op. 77: III. Rondo. Allegro agitato
Jean-Francois Paillard Chamber Orchestra
Boieldieu: Piano Concerto & Six Overtures
Piano Concerto in F Major: II. Pastorale con variazioni
Impressions De France - From "Impressions De France"
Harp Concerto in C Major: III. Rondo. Allegro agitato
Harp Concerto in C Major: I. Allegro brillante
Harp Concerto in C Major: II. Andante lento
La Prima Donna: Sumi Jo 30th Debut Anniversary
Concerto for Harp and Orchestra in C: 3. Rondo (Allegro agitato)
Harp Concerto in C in Major: I. Allegro brillante
Harp Concerto in C in Major: II. Andante lento -
Harp Concerto in C in Major: III. Rondo. Allegro agitato
Komm', o holde Dame (Viens, gentille dame) (Die weisse Dame/La Dame blanche: Georg Brown, 2.Akt) - 1990 Remastered Version
Fritz Wunderlich - Der große deutsche Tenor
Boieldieu: Harp Concerto in C Major: I. Allegro brillante
Orchestre de chambre Jean-François Paillard
Magie der Harfe - Harfenkonzerte / Magic of the Harp - Harp Concertos (Inspiration)
Boieldieu: Harp Concerto in C Major: II. Andante lento
Boieldieu: Harp Concerto in C Major: III. Rondeau. Allegro agitato
Violin Sonata No. 1 in E-Flat Major, Op. 8 (Arr. for Clarinet & Piano): I. Allegro