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 0x40155f3d43097aba721ede1383dcd079fe80dafdcae2108c8aae97380a62d799. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eea66057-f541-49ee-abeb-8ae7e4a4ffce.json and https://artists.proofprofile.net/proofs/artist/eea66057-f541-49ee-abeb-8ae7e4a4ffce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
O virtus sapientiae (Arr. for Cello & Orchestra by Julian Riem)
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 0x3b21ef78d52652ad76a7971b7f8ac8321a1bf52b08e9fc2c591b552b1231bca8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE862201839.
Talestri: Da me ti dividi (Arr. for Cello & Orchestra by Julian Riem)
Trois Pièces: II. Sans vitesse et à l'aise
Dido and Aeneas, Z. 626: When I am Laid in Earth (Dido's Lament, Arr. for Cello & Orchestra by Julian Riem)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a953aefc228e2f16f4ec1ac066f9f2bfd20299a6144d0765b841afbb03015a4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEE862201841.
Trois Pièces: III. Vite et nerveusement rythmeé
Le nozze di Figaro, K.492: Deh vieni non tardar
Deux Morceaux: I. Nocturne (Arr. for Cello & Piano by Julian Riem)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ace946093200d2385031b38be1dca29881f6bc99c1c7d1f494a1b239b15990. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE862201858.
3 Romances, Op. 22: III. Leidenschaftlich schnell (Arr. for Cello & Orchestra by Julian Riem)
Nuit étoilée (Arr. for Cello & Piano by Julian Riem)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c6274ee4775e5a42bdd39870e564335b9f3b11a71feeaf8e2d8818d15315d56. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEE862201859.
Six Morceaux, VWV 3003: II. Bohémienne (Arr. for Cello & Orchestra by Julian Riem)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc97d04ca4deee09eb430df0f78a26da3f309b1873ea283551807ae9ca35593ef. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE862201860.
Six Morceaux, VWV 3003: I. Romance (Arr. for Cello & Orchestra by Julian Riem)
Berceuse (Arr. for Cello & Piano by Julian Riem)
Six Morceaux, VWV 3003: VI. Tarantelle (Arr. for Cello & Orchestra by Julian Riem)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x778d31983f2cc2300982740a2c692ff52fa2f4e89b14863861f25f4bffd0152d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE862201863.
Tre Momenti for Cello and String Orchestra: I. Speranze
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dea88292c05d350da6102f6f2f5e57ccf7a277787311bd683e685fed792aab7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEE862201864.
Tre Momenti for Cello and String Orchestra: II. Solitudine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbef42fdc3e0c165ab5124c680fb486ecdc16493c24f4dff8de8dc6678e0ab941. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE862201862.
Tre Momenti for Cello and String Orchestra: III. Allegrezze
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a17160a425b420507800efa34454014e40274bbdf27b6c9f2f0dc2609ec6fb2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEE862201850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ccabb6bdfa33f8b7fb0ce07de8874a4dd976e8f4221c735b00427b0daef14ee. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE862201865.
Suite for Cello and String Orchestra. II. Aria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1c525718e26b6e81079c59f9ed810ab88cf65b4f512fbe8cd050ffecf66c608. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE862201851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98964c2236703a3e84009e82ab55f9784360d53cf84bdd179f4ca72cd2a47663. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE862201866.
Carmen Fantasie (After Georges Bizet: Carmen, GB 9/WD 31)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c4a399a6b465b4bff7e311eeae0ebbb43f2be13b86905e180dff9dc6a1c890a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEE862201852.
Adoration (Arr. for Cello & Orchestra by Julian Riem)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0172c38d8398b7c42e33ff607b50e5b9897a455303802cb149153d5b92576340. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DEE862201853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51cc4a1afe34429492cdba658bbd355811850d870443d2be030751c4c5867e70. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE862201867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc82602138643d485aca18736bf94f186c65cdc94484ffa254953056780ba5ab6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE862201870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35f0c3cd836150633182215d21dcc50cb22ef5ce80a92e2e6f7bddd6d66f1307. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE862201871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30d8193c26ce32de2445f4546895fca7fe1372305a971d863882186620e5825e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEE862201872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x984686d9141792ea66355c75363c1f3f5b761d269af5794049e68ff033f7e8f6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEE862201873.
Netzel, Sandström & Tarrodi: Piano Concertos
III. Presto (Completed by P. F. Johansson)
Laura Netzel: Din frid, var han en drömgestalt?, Op. 61
Din frid, var han en drömgestalt?, Op. 61
Suite for Violin & String Orchestra, Op. 83: I. Andante religioso
Suite for Violin & String Orchestra, Op. 83: II. Humoresque
Suite for Violin & String Orchestra Op. 83: III. Berceuse
Suite for Violin & String Orchestra, Op. 83: IV. Tarentelle
Suite for Violin & Piano, Op. 62: I. Allegro moderato
Suite for Violin & Piano, Op. 62: II. Allegretto tranquillo
Suite for Violin & Piano, Op. 62: III. Allegro non troppo
Romantic Music of the Northern Countries (Live)
Sonata for Violin & Piano in B Minor: I. Allegro (Live)
Sonata for Violin & Piano in B Minor: II. Andantino - Allegretto Un Poco Vivace. Tempo primo (Live)
Sonata for Violin & Piano in B Minor: III. Allegro Molto Vivace (Live)
Sonata No. 2 for Violin & Piano in D Minor, Op. 21: I. Adagio. Allegro Vivace (Live)
Sonata No. 2 for Violin & Piano in D Minor, Op. 21: II. Larghetto. Allegro Vivace (Live)
Sonata No. 2 for Violin & Piano in D Minor, Op. 21: III. Adagio. Allegro Molto Vivace (Live)
2 Romances for Violin & Piano: I. Larghetto (Live)
2 Romances for Violin & Piano: II. Andante Espressivo (Live)
Sonata for Violin & Piano in A Minor, Op. 13: I. Marcato. Molto Agitato (Live)
Sonata for Violin & Piano in A Minor, Op. 13: II. Andante Espressivo (Live)
Sonata for Violin & Piano in A Minor, Op. 13: III. Allegro Con Fuoco (Live)
Berceuse for Violin & Piano, Op. 59 (Live)
Concerto pour piano Op. 84: Allegro moderato
Concerto pour piano Op. 84: Finale: Allegro vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47c0ed3495db36dad9bd2632c76204fc7b3d3b8c8c355841bffd1d363aeb3c5f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEVPH2200101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x298a832b88020160164e7e6c1edb803e0df0293fffb98bb42c80285972787f4c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEVPH2200102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30a7ca601d6d1b12dbf03449733e5e452c742427c399af93c221e87a787f5fec. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEVPH2200103.
Trio i d-moll för piano, violin och violoncell Op. 78: I. Allegro moderato
Trio i d-moll för piano, violin och violoncell Op. 78: II. Andante tranquillo
Trio i d-moll för piano, violin och violoncell Op. 78: III. Allegro decioso
Preludio e Fughetta för piano, violin och violoncell Op. 68: Preludio
Preludio e Fughetta för piano, violin och violoncell Op. 68: Fughetta
Sérénade, Op. 50: Andantino - Animato - Tempo I
Fyra sånger Op. 36: Slumra, slumra bölja blå
Fyra sånger Op. 36: En gang, og aldrig mer
Sånger vid piano med obligat violin Op. 22: Hvem styrde hit din väg?
Sånger vid piano med obligat violin Op. 22: Om min tanke långt från gruset
I Firenze: Tror ni en kvinna så lätt kan glömma
I Firenze: En sådan bikt man aldrig glömmer
Herr Arnes Penningar: I vilket elände har du dragit mig in
6 Romances Sans Paroles, Op. 76: VI. Méditation
Rarities of Piano Music 2001 - Live Recordings from the Husum Festival
Three Hungarian Folksongs from the Csik District - Live
From Four North American Ballads No. 4 Down by the Riverside - Live
Romance in A Major for Violin & Piano, Op. 40
Phantasie in E-Flat Major for Violin & Piano, Op. 21
Vogler to Netzel: Swedish Organ Culture in the 19th Century
Gustaf Adolf & Ebba Brahe: Overture (Arr. for Organ)
Organ Fantasy in C Minor, Op. 25: I. Allegro con fuoco
Organ Fantasy in C Minor, Op. 25: II. Andante con moto
Organ Fantasy in C Minor, Op. 25: III Allegro con fuoco
A Rustic Wedding: I. Introduzione. Adagio
Catholic Mass: Offertorium (Arr. for Organ)
A Rustic Wedding: IV. Pastoral. Allegretto
A Rustic Wedding: VI. Folk Song. Andante maestoso
Organ Sonata in C Minor: I. Allegro maestoso
Organ Sonata in C Minor: II. Trio. Andante cantabile
Romance in E Major for Violin & Organ, Op. 38
Organ Sonata in C Minor: III. Allegro risoluto
Prelude & Fughetta in G Minor, Op. 68: I. Prelude
Prelude & Fughetta in G Minor, Op. 68: II. Fughetta
Prelude & Fugue Over the Name "Adolf Hesse": I. Prelude
Prelude & Fugue Over the Name "Adolf Hesse": II. Fugue
Adagio religioso in B Major (Arr. for Solo Organ)
Piano Sonata in F Minor, Op. 14: I. Adagio - Allegro
Piano Sonata in F Minor, Op. 14: II. Andante molto espressione
Piano Sonata in F Minor, Op. 14: III. Scherzo capriccioso. Tempo di mazurka
Piano Sonata in F Minor, Op. 14: IV. Finale. Presto
Piano Sonata in E-Flat Major, Op. 27: I. Allegro moderato
Piano Sonata in E-Flat Major, Op. 27: II. Lento
Piano Sonata in E-Flat Major, Op. 27: III. Tempo di minuetto
Piano Sonata in E-Flat Major, Op. 27: IV. Allegro non troppo
7 Piano Pieces, Op. 8: No. 1, Romanza in A Major. Andante
5 Tone Poems, Op. 7: No. 4, Impromptu in G-Sharp Minor. Allegro vivace
Trouvez les femmes! Vol. 1 (Female Composers of the Romantic Era)
Sonate in D Major: I. Agitato con passione
Suite, Op. 33: II. Allegretto non troppo vivo
Piano Trio in G Minor: I. Allegro agitato
Violin Sonata in B Minor: II. Andantino - Allegretto un poco vivace - Tempo primo
Piano Trio in G Minor: II. Andante con espressione
Violin Sonata in B Minor: III. Allegro molto vivace
Piano Trio in G Minor: III. Finale. Rondo. Allegro risoluto
Cello Sonata in E Minor, Op. 66: I. Allegro moderato
Cello Sonata in E Minor, Op. 66: II. Cantabile ma non troppo lento
Cello Sonata in E Minor, Op. 66: III. Allegro appassionato
String Quartet in F Major, Op. 17, No. 1: I. Allegro con grazia
String Quartet in F Major, Op. 17, No. 1: II. Intermezzo. Allegro con spirito e capriccioso
String Quartet in E Minor, Op. 17, No. 2: I. Allegro passionato
String Quartet in F Major, Op. 17, No. 1: III. Andante espressivo
String Quartet in E Minor, Op. 17, No. 2: II. Andante con moto
String Quartet in F Major, Op. 17, No. 1: IV. Finale. Allegro vivace
String Quartet in E Minor, Op. 17, No. 2: III. Allegro con spirito - Trio. Alla burla - Tempo primo
String Quartet in E Minor, Op. 17, No. 2: IV. Finale. Presto
Breaking Waves - Flute Music by Swedish Women Composers
Tarentelle for Flute and Piano, Op. 33 - Transcribed for flute by P. Gudmundson
Humoresque for Flute and Piano, Op. 37 - Transcribed for flute by P. Gudmundson
Flute Sonata in B-Flat Major : I. Allegro con spiritoso - Transcribed for flute by P. Gudmundson
Flute Sonata in B-Flat Major : II. Andante - Transcribed for flute by P. Gudmundson
Flute Sonata in B-Flat Major : III. Allegro - Transcribed for flute by P. Gudmundson
La Gondoliera for Flute and Piano, Op. 60 - Transcribed for flute by P. Gudmundson
Berceuse et Tarentelle for Flute and Piano, Op. 28 - Transcribed for flute by P. Gudmundson
Flute Sonata in B Minor : I. Allegro - Transcribed for flute by C. Wincenc
Flute Sonata in B Minor : II. Andantino - Transcribed for flute by C. Wincenc
Flute Sonata in B Minor : III. Allegro molto vivace - Transcribed for flute by C. Wincenc
Tina Ternes, Dorische Suite : 1. Satz Samhain
Tina Ternes, Dorische Suite: 2. Satz Imbolc
Tina Ternes, Dorische Suite: 3. Satz Beltane
Tina Ternes, Dorische Suite : 4. Satz Lughnasadh
Clémence de Grandval, Suite : 1. Satz Prélude
Clémence de Grandval, Suite : 2. Satz Scherzo
Clémence de Grandval, Suite: 3. Satz Menuet
Clémence de Grandval, Suite: 4. Satz Romance
Clémence de Grandval, Suite : 5. Satz Final
Laura Netzel, Suite: Op. 33, Andante - Allegretto non troppo vivo - Allegro - Andante - Allegro
Rosy Wertheim, Trois Morceaux: 1. Satz Cortège des Marionettes
Rosy Wertheim, Trois Morceaux: 2. Satz Pastorale
Rosy Wertheim, Trois Morceaux: 3. Satz Capriccio
Ruth Zechlin, Sonatine 1955 : 1. Satz Lebhaft