Lucie Horsch (born 1999) is a Dutch recorder player. Early life Born 1999, Horsch started playing the recorder at the age of five, and received her first national recognition at the age of nine, wh
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e6c2856107b234e24d00ee001897d68f5ae4fef735b7941b3addcab77ee1289. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/61545a1a-d68f-4926-af7c-5d6f4a9b0d43.json and https://artists.proofprofile.net/proofs/artist/61545a1a-d68f-4926-af7c-5d6f4a9b0d43.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82159941476c1ce34bbdb9f4ed52bbdf34d6c48dc58c0440d48620f229c64e07. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800638 — a six-check JSON result.
Solomon HWV 67 / Act 3: The Arrival of the Queen of Sheba (Arr. Recorders & Orchestra)
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Oboe Concerto in D Minor, BWV 1059R: 1. Allegro (Performed on Recorder)
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Oboe Concerto in D Minor, BWV 1059R: 2. Adagio (Performed on Recorder)
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Oboe Concerto in D Minor, BWV 1059R: 3. Presto (Performed on Recorder)
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Matthäus-Passion, BWV 244 / Zweiter Teil: 39. "Erbarme dich" (Performed on Recorder)
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Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie (Performed on Recorder)
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Sonate concertate in stil moderno à 2 e 3 voci, Libro primo: Sonata seconda (Arr. Recorder & Lute)
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Recorder Concerto in F Major: 1. Allegro
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Recorder Concerto in F Major: 2. Siciliano
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Recorder Concerto in F Major: 3. Allegro assai
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Couplets de folies (Arr. Horsch for Recorder & Lute)
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Pièces de clavecin - Troisième livre / 14e ordre: Le rossignol-en-amour (Arr. Recorder & Lute)
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Recorder Concerto in C Major, Op. 17, No. 1: 1. Gaiement
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Recorder Concerto in C Major, Op. 17, No. 1: 2. Lentement
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Recorder Concerto in C Major, Op. 17, No. 1: 3. Légèrement
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9af7f83b3bd670f768568c9c6a3ee13b451b084c84a52ee90d65eae63cbd1950. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800654 — a six-check JSON result.
Dido and Aeneas, Z. 626 / Act 3: "When I am laid in earth" (Dido's Lament) (Performed on Recorder)
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Der Fluyten Lust-Hof: 27. Engels nachtegaeltje
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Haydn: Piano Trio in G Major, Hob. XV:25 "Gypsy Rondo": III. Rondo all'Ongarese. Presto (Arr. Farrington for Recorder, Violin, Cello & Harpsichord)
Piano Trio in G Major, Hob. XV:25 "Gypsy Rondo": III. Rondo all'ongarese. Presto (Arr. Farrington for Recorder, Violin, Cello & Harpsichord)
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Telemann: Trio Sonata in A Minor, TWV 42:a4: I. Largo
Trio Sonata for Recorder and Violin in A Minor, TWV 42:a4: I. Largo
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J.S. Bach: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air (Performed on Recorder)
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air - Performed on Recorder
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