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 0x13af129c70d0b8ee4e215dddef7e81f506227979ebc1141376f4a0084e1803ec. 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/89adc5fb-0624-4b00-a5f7-482741054b08.json and https://artists.proofprofile.net/proofs/artist/89adc5fb-0624-4b00-a5f7-482741054b08.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Winds & Strings: Spohr, Ibert, Janacek & Widmann (Live)
Nonet in F Major, Op. 31: I. Allegro - Live
Nonet in F Major, Op. 31: II. Scherzo. Allegro - Live
Nonet in F Major, Op. 31: III. Adagio - Live
Nonet in F Major, Op. 31: IV. Finale. Vivace - Live
2 Interludes: I. Andante Expressivo - Live
Mládi, JW 7/10: I. Andante - Allegro - Live
Mládi, JW 7/10: II. Moderato - Andante sostenuto - Live
Mládi, JW 7/10: III. Allegro - Vivace - Live
Mládi, JW 7/10: IV. Con Moto - Allegro animato - Live
24 Duos, Book 2: No. 1, Capriccio - Live
24 Duos, Book 2: No. 3, Petit Ballet Méchanique (Pas De Deux) - Live
24 Duos, Book 2: No. 5, Moderato Un Poco Allegretto - Live
24 Duos, Book 2: No. 6, Dancing With Fifths and Sixths - Live
24 Duos, Book 2: No. 7, Anxious, Hesitant - Live
24 Duos, Book 2: No. 8, Valse Bavaroise - Live
24 Duos, Book 2: No. 10, Deciso Con Brio - Live
24 Duos, Book 2: No. 11, Toccatine All'inglese - Live
Felix Mendelssohn & George Enescu: Octets for Strings (Live)
Octet in E-Flat Major, Op. 20, MWV R20: I. Allegro moderato, ma con fuoco - Live
Octet in E-Flat Major, Op. 20, MWV R20: II. Andante - Live
Octet in E-Flat Major, Op. 20, MWV R20: III. Scherzo (Allegro leggierissimo) - Live
Octet in E-Flat Major, Op. 20, MWV R20: IV. Presto - Live
Octet in C Major, Op. 7: I. Très modéré - Live
Octet in C Major, Op. 7: II. Très fougueux - Live
Octet in C Major, Op. 7: III. Lentement - Live
Octet in C Major, Op. 7: IV. Mouvement de valse bien rythmée - Live
3 Settings of Lorine Niedecker for Soprano and Cello: Always North of Him
3 Settings of Lorine Niedecker for Soprano and Cello: I Was the Solitary Plover
3 Settings of Lorine Niedecker for Soprano and Cello: As I Shook Dust from My Father's Door
Bogenstrich (Meditations on a Poem of Rilke): Liebes-Lied 1
Bogenstrich (Meditations on a Poem of Rilke): Lied ohne Worte
Bogenstrich (Meditations on a Poem of Rilke): Variationen
Bogenstrich (Meditations on a Poem of Rilke): Wie eine Fuge
Bogenstrich (Meditations on a Poem of Rilke): Liebes-Lied 2
9 Settings of Lorine Niedecker for Soprano and Cello: There's a Better Shine
9 Settings of Lorine Niedecker for Soprano and Cello: My Friend Tree
9 Settings of Lorine Niedecker for Soprano and Cello: Along the River
9 Settings of Lorine Niedecker for Soprano and Cello: Hear Where Her Snowgrave Is
9 Settings of Lorine Niedecker for Soprano and Cello: How the White Gulls
9 Settings of Lorine Niedecker for Soprano and Cello: My Life
9 Settings of Lorine Niedecker for Soprano and Cello: Paul
9 Settings of Lorine Niedecker for Soprano and Cello: O Late Fall
9 Settings of Lorine Niedecker for Soprano and Cello: Sleep's Dream
Love Theme From "Cinema Paradiso" (Arr. by Nikoloz Rachveli for Violin, Cello and Orchestra) - ROME
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1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x948fc750138d69e69374efae90fc560c0f5048f87feb5df3605c07ce7d941d62. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Ku6Gk6X7ofmuX2onLAGxo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Ku6Gk6X7ofmuX2onLAGxo.
Romeo and Juliet, Op. 64: Dance of the Knights (Arr. for Solo Violin and Orch. by Tamás Batiashvili)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28de283926d4ef9127c31029eb9340f772bc8ef86167e946e9ead3c4a68dcee9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5H0PFDYoIONdebOhRpmLxC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5H0PFDYoIONdebOhRpmLxC.
The Love for three Oranges, Op. 33: Grand March (Arr. for Solo Violin and Orch. by Tamás Batiashvili)
Cinderella, Op. 87: Grand Waltz (Arr. for Solo Violin and Orch. by Tamás Batiashvili)
"Ich steh mit einem Fuß im Grabe", Cantata BWV 156: Sinfonia (Arr. For Violin, Strings And Continuo)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d5fc77befcf6752b880687dfcdb57879ae4034e6f060caf07b3d3f82681d6a2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/235WPQULFOgdjy95anlg2V.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/235WPQULFOgdjy95anlg2V.
Six Romances, Op. 6, TH 93: No. 1, Do Not Believe, My Friend. Moderato assai (Arr. for Violin and Piano)
St. Matthew Passion, BWV 244 / Part Two: No. 39 Aria: "Erbarme dich" (Arr. For Oboe d’amore, Violin, Strings And Continuo)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x446e37d897d8bf95b65724fec9c77f0aa6a484442cec506a60cf8df2bf05338d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32bDfCkjo0mlKnS0PHCAWE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32bDfCkjo0mlKnS0PHCAWE.
Violin Concerto No. 2 in E, BWV 1042: 1. Allegro
3 Romances for Violin and Piano, Op. 22: II. Allegretto
Vocalise, Op. 34 No. 14 (Arr. for Violin and Piano)