thumb|right|Niels Gade Niels Wilhelm Gade (22 February 1817 – 21 December 1890) was a Danish composer, conductor, violinist, organist and teacher. Together with Johan Peter Emilius Hartmann, he was th
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 0x93786231c2846921a335820744d2658596ae812d2920279a8aab7a0a9dc63f82. Chain 2 (Bitcoin): anchored in block 953727 (2026-06-15T02:33:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9118ccaa-d827-47a2-88d2-3766c9e56963.json and https://artists.proofprofile.net/proofs/artist/9118ccaa-d827-47a2-88d2-3766c9e56963.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gade, N.: Elverskud / Fruhlings-Phantasie
Elverskud (Elf-King's Daughter), Op. 30: Prologue: Andantino
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 0x4649df83223d5f8bc89206b9fcf5d9c52a5ee1e5cb6d9e842f968c5aa0fb1cd9. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/DKFAA9601701.
Elverskud (Elf-King's Daughter), Op. 30: First Part: I. Allegro moderato ma vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb2253b8d75813a66fe6ebb11cb3a5470472a46770b8d54d13bc92c2290ff3c. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/DKFAA9601702.
Elverskud (Elf-King's Daughter), Op. 30: First Part: II. Oluf's Ballade: Andante sostenuto
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Elverskud (Elf-King's Daughter), Op. 30: First Part: III. Allegro risoluto - Allegro molto
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Elverskud (Elf-King's Daughter), Op. 30: Second Part: V. Andantino
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Elverskud (Elf-King's Daughter), Op. 30: Second Part: VI. Andante sostenuto
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Elverskud (Elf-King's Daughter), Op. 30: Third Part: VII. Morgensang (Morning Song): Andante con moto
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Elverskud (Elf-King's Daughter), Op. 30: Third Part: VIII. Andantino - Allegro non troppo
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Niels Wilhelm Gade: Piano Works (Aquarelle Op.19 and Op.57, Sonata Op.28, Phantasiestücke Op.31)
4 Fantasiestücke for Clarinet & Piano, Op. 43: No. 1, Andantino con moto
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4 Fantasiestücke for Clarinet & Piano, Op. 43: No. 2, Allegro vivace
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4 Fantasiestücke for Clarinet & Piano, Op. 43: No. 3, Ballade. Moderato
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4 Fantasiestücke for Clarinet & Piano, Op. 43: No. 4, Allegro molto vivace
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String Quartet No. 1 in D Major, Op. 63: I. Allegro moderato
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Novelettes in A Minor, Op. 29: IV. Larghetto con moto
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Aquarellen, Op. 19, Book 1: No. 1. Elegie in E Minor
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Aquarellen, Op. 19, Book 1: No. 2. Scherzo in E Major
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Aquarellen, Op. 19, Book 1: No. 3. Canzonette in A Minor
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Aquarellen, Op. 19, Book 1: No. 5. Barcarole in F Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9ee7b231ccddb169ec40ef5137cc4c8edcbe3f27e047a40022a67d1418a9ab5. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKFAA1700205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ad74e1dad9d109700aa617beb5c9a084badb44998f41e5597797d89467d9108. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/DKFAA1700225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a2789514c4ba284a31a4c17baf99743413cf75572b30d2fbc30376d2a5cd243. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/DEB201316507.
Gade: Piano Sonata, Op. 28 & Akvareller, Opp. 19 & 57
Novellette No. 1 in F Major, Op. 53: I. Andantino - Allegro vivace e grazioso
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Novellette No. 1 in F Major, Op. 53: II. Scherzo: Moderato
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Novellette No. 1 in F Major, Op. 53: IV. Allegro vivace
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Novellette No. 2 in E Major, Op. 58: I. Andante - Allegro ma non troppo
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Novellette No. 2 in E Major, Op. 58: II. Intermezzo: Allegro moderato
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Novellette No. 2 in E Major, Op. 58: III. Andante espressivo
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Gade: Echoes of Ossian & Symphonies Nos. 3 & 6
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Mendelssohn: Fingal's Cave - Schumann: Overture, Scherzo & Finale - Bennett: The Naiads - Gade: Ossian Overture
Gade: Echoes of Ossian / Hamlet Overture / A Summer's Day in the Country / Holbergiana Suite
Efterklange of Ossian (Echoes of Ossian), Op. 1
Rheinland-Pfalz State Philharmonic Orchestra
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb939f16f3e63f127ac8236ba1cd387f47bf3fa23b77ed4b407b1b23a090bebf1. 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/DEB209636202.
En sommerdag paa landet (A Summer's Day in the Country), Op. 55: I. Early: Allegro vivo
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En sommerdag paa landet (A Summer's Day in the Country), Op. 55: II. Stormy
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En sommerdag paa landet (A Summer's Day in the Country), Op. 55: III. Solitude of the Woods
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Symphony No. 1 in C Minor, Op. 5, "Paa Sjolunds fagre sletter": II. Scherzo
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Gade: Elverskud, Echoes of Ossian & Five Songs
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Symphony No. 1 in C Minor, Op. 5, "Paa Sjølunds fagre Sletter": I. Moderato con moto
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Symphony No. 1 in C Minor, Op. 5, "Paa Sjølunds fagre Sletter": II. Scherzo. Allegro risoluto quasi presto
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Symphony No. 1 in C Minor, Op. 5, "Paa Sjølunds fagre Sletter": III. Andantino grazioso
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Symphony No. 1 in C Minor, Op. 5, "Paa Sjølunds fagre Sletter": IV. Finale. Molto allegro ma con fuoco
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Symphony No. 5 in D Minor, Op. 25: I. Allegro con fuoco
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f9364c9d208d7d65b52f334aa6259d6281d60603b60d25d41c767484a8cf86c. 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/GBLWD0300505.
Symphony No. 5 in D Minor, Op. 25: III. Scherzo. Allegro molto vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa964b55b977c23851013e20422c5f82e4a5d9b9d5e0fafa238eade1ae529dd14. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/GBLWD0300507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2020ea2527bd1b8eb6d4fadfba838c7404fd556d359300225aecde95a25c5959. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/DKFAA0502611.
Fantasy Pieces, Op. 43: No. 1, Andantino con moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3fc5a9cea0552381650d8dd01f3f496c9da9c0e14d751c23e77a81a53ec3ad9. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DES382220005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91e04e28cca345594ceb5c65b4abfa395181edce981aaf23db65ecf7b17b701d. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/DES382220007.
Fantasy Pieces, Op. 43: No. 4, Allegro molto vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2633f32a701e2fc9a4c64e6942986bc4279eff4cb806c89cdd5e7ef9e29f7355. 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/DES382220008.