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 0xf103362f59d77aa44371e1ffa7ecfcbfd0325387d29998dd317675bf966da292. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14198ac2-85f4-4035-b5a0-313ee168d8be.json and https://artists.proofprofile.net/proofs/artist/14198ac2-85f4-4035-b5a0-313ee168d8be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Maometto secondo, Act II: No. 28, "Del periglio al fiero aspetto" (Arr. for Clarinet by Andreas Tarkmann)
Württembergisches Kammerorchester Heilbronn
Songs for Voice and Piano: No. 10, "Deh, pietoso, oh Addolorata" (Arr. for Clarinet and Orchestra by Jonathan Seers)
Songs for Voice and Piano: No. 13, "Ad una stella" (Arr. for Clarinet and Orchestra by Jonathan Seers)
Songs for Voice and Piano: No. 7, "In solitaria stanza" (Arr. for Clarinet and Orchestra by Jonathan Seers)
Songs for Voice and Piano: No. 14, "Lo spazzacamino" (Arr. for Clarinet and Orchestra by Jonathan Seers)
Bolero (Arr. for Clarinet and Orchestra by Andreas Tarkmann)
"Sole e amore" (Arr. for Clarinet and Orchestra by Andreas Tarkmann)
"Storiella d'amore" (Arr. For Clarinet and Orchestra by Andreas Tarkmann)
"Ore Dolce e divino" (Arr. for Clarinet and Orchestra by Andreas Tarkmann)
Paolo et Virginia, Op. 78 (Arr. for Clarinet, Violin and Orchestra by Andreas Tarkmann)
Intermezzo after "Il segreto di Susanna" (Arr. for Clarinet and Orchestra by Andreas Tarkmann)
Serenata after "I gioielli della Madonna" (Arr. for Clarinet and Orchestra by Andreas Tarkmann)
Intermezzo after "I quatro rusteghi" (Arr. for Clarinet and Orchestra by Andreas Tarkmann)
Danza napolitana after "I gioielli della Madonna" (Arr. for Clarinet and Orchestra by Andreas Tarkmann)
La Cenerentola, Act II: Finale. "Nacqui all'affano" (Arr. for Clarinet and Orchestra by Andreas Tarkmann)
Haydn: Symphony No. 25 in C Major, Hob.I:25 - Mayr: Piano Concertos Nos. 1 & 2 (Live)
Symphony No. 25 in C Major, Hob.I:25: I. Adagio - Allegro (Live)
Symphony No. 25 in C Major, Hob.I:25: II. Menuet (Live)
Symphony No. 25 in C Major, Hob.I:25: III. Presto (Live)
Piano Concerto No. 1 in C Major: I. Allegro (Live)
Piano Concerto No. 1 in C Major: II. Andante grazioso (Live)
Piano Concerto No. 1 in C Major: III. Rondo Allegro (Live)
Piano Concerto No. 2 in C Major: I. Allegro (Live)
Piano Concerto No. 2 in C Major: II. Andantino con variazioni (Live)
Piano Concerto No. 2 in C Major: III. Rondo Allegro (Live)