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genre: chamber music
genre: classical
description: thumb|Anne Gastinel at the La Folle Journée in 2009 Anne Gastinel (born 14 October 1971) is a French cellist and professor. Life and career Gastinel was born in Tassin-la-Demi-Lune, a town close t
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album: Classical Christmas
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track: La truite
track: Auf Dem Wasser Zu Singen
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Elégie in C Minor for Cello and Orchestra, Op. 24
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Die Zauberflöte, K. 620, Act II, Scene 18: No. 17, Aria "Ach, ich fühls, es ist verschwunden" (Pamina)
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Matthäus-Passion, BWV 244, Part II: Aria for Alto, Solo Violin, Strings and Continuo "Erbarme dich mein Gott"
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King Arthur, Z. 628, Act III, Scene 2: Aria "What power art thou" (Cold Genius)
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by artist: Stephen Varcoe
by artist: John Eliot Gardiner
by artist: English Baroque Soloists
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genre: choral
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Polifemo, Act III, Scene 5: Aria "Alto giove" (Aci)
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by artist: Ewa Mallas-godlewska
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by artist: Christophe Rousset
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
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Don Juan ou le Festin de Pierre, ballet after Molière, Wq. 52: No. 31, Danza degli spettri a delle furie - Allegro non troppo
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by artist: Il Giardino Armonico
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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2 Pieces from Kuolema, incidental music, Op. 44: No. 2, Valse triste - for orchestra
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by artist: Jorma Panula
by artist: Turku Philharmonic Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
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Nisi Dominus in G Minor, RV 608: No. 4, Aria for Alto, Strings and Continuo "Cum dederit" - Andante
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duration: PT4M40S
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T09:18:01Z
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Flow My Tears - ayre
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subject of: OpenTimestamps Proof of Existence
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:57:12Z
audio: Piano Concerto No. 21 in C Major, K. 467: II. Andante
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24 Preludes for Piano, Op. 28: No. 4, Largo in E Minor
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by artist: Frédéric Chopin
by artist: Grigory Sokolov
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genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
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Requiem in D Minor for Soloists, Choir and Orchestra, K. 626: No. 6, Lacrimosa
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by artist: Wolfgang Amadeus Mozart
by artist: Chorus Musicus Köln
by artist: Christoph Spering
by artist: Das Neue Orchester
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genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T23:29:40Z
audio: Requiem in D Minor for Soloists, Choir and Orchestra, K. 626: No. 6, Lacrimosa
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Madrigali amorosi: No. 9, Canzonetta by Rinuccini, Lamento della Ninfa (extrait)
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duration: PT2M43S
duration ms: 163680
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by artist: Claudio Monteverdi
by artist: Concerto Italiano
by artist: Rinaldo Alessandrini
in album: Mélancolie
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  date published: 2005
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
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genre: madrigal
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Madrigali amorosi: No. 9, Canzonetta by Rinuccini, Lamento della Ninfa (extrait)
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String Quartet No. 6 in B-Flat Major, Op. 18: IV. Adagio "La Malinconia" - Allegretto quasi allegro
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duration: PT8M17S
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by artist: Ludwig van Beethoven
by artist: Quatuor Mosaïques
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: String Quartet No. 6 in B-Flat Major, Op. 18: IV. Adagio "La Malinconia" - Allegretto quasi allegro
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Symphony No. 5: IV. Adagietto - arr. for Solists and Chorus: Gérard Pesson
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duration ms: 551080
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by artist: Gustav Mahler
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by artist: Jean-Francois Lombard
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genre: classical
genre: orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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La Melancolia, operatorio for Soloists, Chorus, Brass, Orchestra and Band: No. 2, Il quarto loco - excerpt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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La lugubre gondola - 3rd version for Cello and Piano, S. 134
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by artist: Anne Gastinel
by artist: Pierre-Laurent Aimard
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genre: classical
genre: late-romantic-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:45:34Z
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Préludes for Piano - Livre I: No. 6, Des pas sur la neige (Lent)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
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Concerto for Violin and Orchestra: II. Second movement
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by artist: Adela Anthony
by artist: Takuo Yuasa
by artist: Ulster Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
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Les Valseuses - from music for the film of Bertrand Blier
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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6 Romances, Op. 16: No. 1, Berceuse "Kolybel'naja pesnja" (Moderato lugubre)
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by artist: Lina Mkrtchyan
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T03:15:04Z
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Classical Christmas
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T00:26:26Z
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50 Bach Treasures by Naïve
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date published: 2017-09-01
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    date published: 2026-07-31T17:29:52Z
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track: Brandenburg Concerto No. 1 in F Major, BWV 1046: I. —
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  by artist: Johann Sebastian Bach
  by artist: Concerto Italiano
  by artist: Rinaldo Alessandrini
  in album: 50 Bach Treasures by Naïve
    type: MusicAlbum
    date published: 2017-09-01
  popularity: 0
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd69afc3cadb8a6bc1d69fd15ef42ddbcb9c4ec5741f5dbbb481d408443c4398. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX290500171 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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track: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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  by artist: Johann Sebastian Bach
  by artist: Karol Teutsch
  by artist: Orchestre Leopoldinum-wroclaw
  in album: 50 Bach Treasures by Naïve
    type: MusicAlbum
    date published: 2017-09-01
  popularity: 9
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: FRZ130700580
  additional property: CopyrightID
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  additional property: CopyrightRegisteredAt
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
track: Herz und Mund und Tat und Leben, BWV 147: X. Jesus bleibet meine Freude - Arr. for Choir
track: Ave Maria - After Johann Sebastian Bach's Well-Tempered Clavier, Book I, Prelude in C Major, BWV 846
track: Komm süsser Tod, BWV 478 - Arr. for Choir by Knut Nystedt
track: Italienisches Konzert, BWV 971: I. —
track: Matthäuspassion, BWV 244: Kommt, ihr Töchter, helf mir klagen
track: Matthäuspassion, BWV 244: Erbarme dich

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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130700580

OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e990fd363f8febff4898ade1ece49eff7d258e8d1b5f1547022f4085e425b67. 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/FRZ130700580 — a six-check JSON result.
date published: 2026-07-02T03:55:08Z

Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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Herz und Mund und Tat und Leben, BWV 147: X. Jesus bleibet meine Freude - Arr. for Choir
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duration: PT3M18S
duration ms: 198826
explicit: false
by artist: Johann Sebastian Bach
by artist: Ensemble Accentus
by artist: Laurence Equilbey
in album: 50 Bach Treasures by Naïve
  type: MusicAlbum
  date published: 2017-09-01
popularity: 1
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ130921020
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b1e85ac177a7845a1e3442149fa0f8d44c5396735f470a934797076f08ffb8f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130921020 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Herz und Mund und Tat und Leben, BWV 147: X. Jesus bleibet meine Freude - Arr. for Choir
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Ave Maria - After Johann Sebastian Bach's Well-Tempered Clavier, Book I, Prelude in C Major, BWV 846
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duration: PT2M57S
duration ms: 177920
explicit: false
by artist: Johann Sebastian Bach
by artist: Charles Gounod
by artist: Nathalie Stutzmann
by artist: Ensemble Accentus
by artist: Laurence Equilbey
in album: 50 Bach Treasures by Naïve
  type: MusicAlbum
  date published: 2017-09-01
popularity: 2
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ130921040
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T15:20:15Z
audio: Ave Maria - After Johann Sebastian Bach's Well-Tempered Clavier, Book I, Prelude in C Major, BWV 846
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  additional property: Tempo (BPM)
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Komm süsser Tod, BWV 478 - Arr. for Choir by Knut Nystedt
type: MusicRecording
duration: PT6M30S
duration ms: 390453
explicit: false
by artist: Johann Sebastian Bach
by artist: Ensemble Accentus
by artist: Laurence Equilbey
in album: 50 Bach Treasures by Naïve
  type: MusicAlbum
  date published: 2017-09-01
popularity: 9
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ130110450
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130110450
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8e554ef6106a52ee06d9f98bf761fe528635fe861298eb93cb737e86657c0a8. 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/FRZ130110450 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Komm süsser Tod, BWV 478 - Arr. for Choir by Knut Nystedt
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Italienisches Konzert, BWV 971: I. —
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duration: PT3M50S
duration ms: 230280
explicit: false
by artist: Johann Sebastian Bach
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
in album: 50 Bach Treasures by Naïve
  type: MusicAlbum
  date published: 2017-09-01
popularity: 2
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRX290202021
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc63d8c4bf8907589a4ebcde95223822cdb20a96cfd8f96116dd2512a540a905. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/FRX290202021 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Italienisches Konzert, BWV 971: I. —
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Energy
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Matthäuspassion, BWV 244: Kommt, ihr Töchter, helf mir klagen
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duration: PT7M41S
duration ms: 461520
explicit: false
by artist: Johann Sebastian Bach
by artist: Christoph Spering
by artist: Das Neue Orchester
by artist: Markus Schäfer
by artist: Peter Lika
by artist: Wilfried Jochens
by artist: Angela Kazimierczuk
by artist: Alison Browner
by artist: Franz-Josef Selig
by artist: Chorus Musicus
in album: 50 Bach Treasures by Naïve
  type: MusicAlbum
  date published: 2017-09-01
popularity: 2
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ139099010
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18371c2137fb3d12adc7ebb94b8ec7e2dcf410f1fbd91eafcdf50e83f386b3a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139099010 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Matthäuspassion, BWV 244: Kommt, ihr Töchter, helf mir klagen
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Matthäuspassion, BWV 244: Erbarme dich
type: MusicRecording
duration: PT6M31S
duration ms: 391920
explicit: false
by artist: Johann Sebastian Bach
by artist: Christoph Spering
by artist: Das Neue Orchester
by artist: Markus Schäfer
by artist: Peter Lika
by artist: Wilfried Jochens
by artist: Angela Kazimierczuk
by artist: Alison Browner
by artist: Franz-Josef Selig
by artist: Chorus Musicus
in album: 50 Bach Treasures by Naïve
  type: MusicAlbum
  date published: 2017-09-01
popularity: 3
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ139099130
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e01c75f6ab9a93c151106b86e15f54cac2f1b44948d987df6477de8b9eccca. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/FRZ139099130 — a six-check JSON result.
  date published: 2026-07-29T21:09:47Z
audio: Matthäuspassion, BWV 244: Erbarme dich
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Ibérica
type: MusicAlbum
date published: 2009-09-22

La truite
type: MusicRecording
duration: PT2M12S
duration ms: 132933
explicit: false
by artist: Franz Schubert
by artist: Anne Gastinel
by artist: Claire Désert
in album: Classic & Zen
  type: MusicAlbum
  date published: 2007-06-19
popularity: 23
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ130700400
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130700400
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d844f2e7209a1df5475da2576e304290a7585630595806fe6ff4c7a1a7c56c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FRZ130700400 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: La truite
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Loudness (dB)
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  additional property: Key Name
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Auf Dem Wasser Zu Singen
type: MusicRecording
duration: PT3M21S
duration ms: 201200
explicit: false
by artist: Franz Schubert
by artist: Anne Gastinel
by artist: Claire Désert
in album: Classic & Zen
  type: MusicAlbum
  date published: 2007-06-19
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ130700280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130700280
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x837428e740ea9a65f4ec1fa3786261230d2ab208a92eeae0fb03ccee971d7de7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130700280 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Auf Dem Wasser Zu Singen
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Elegy in C Minor, Op. 24
type: MusicRecording
duration: PT6M5S
duration ms: 365400
explicit: false
by artist: Gabriel Fauré
by artist: Anne Gastinel
by artist: Orchestre National De Lyon
by artist: Emmanuel Krivine
in album: Faure: Élégie et autres chefs-d'oeuvres pour violoncelle
  type: MusicAlbum
  date published: 1995
isrc code: FRZ139500360
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/960291
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139500360
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde04f734eb57711daa5afe86a4fcc2da81d8d075d413db16dfce25e8b51fa444. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/FRZ139500360 — a six-check JSON result.
  date published: 2026-07-30T18:23:33Z
audio: Elegy in C Minor, Op. 24
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  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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