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popularity: 2
followers: 10
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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: OTSProofURL
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additional property: OTSRecordURL
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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. 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18999a989e17b0db281477f1d4d2fc613942ec28ae9ed71c81c544a03b3bac39. Chain 2 (Bitcoin): anchored in block 954000 (2026-06-16T20:18:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/31bcbd53-0996-4564-b14e-5e5021e9cc88.json and https://artists.proofprofile.net/proofs/artist/31bcbd53-0996-4564-b14e-5e5021e9cc88.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:18:46Z
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album: Giuseppe Verdi: Il trovatore
  type: MusicAlbum
  date published: 2015
album: Einem: Der Besuch der alten Dame (Live)
  type: MusicAlbum
  date published: 2018-03-16
album: Verdi: Il Trovatore (2 CDs)
  type: MusicAlbum
  date published: 1995-01-01
  track: Il trovatore, Act I: Tacea la notte placida – Di tale amor - Live at Großes Festspielhaus, Salzburg, 1962
    type: MusicRecording
    duration: PT6M52S
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    by artist: Giuseppe Verdi
    by artist: Leontyne Price
    by artist: Laurence Dutoit
    by artist: Wiener Philharmoniker
    by artist: Herbert von Karajan
    in album: Verdi: Il Trovatore (2 CDs)
      type: MusicAlbum
      date published: 1995-01-01
    genre: classical
    genre: opera
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056231504
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-30T08:04:30Z
    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 0x47248405b2f7f0a5f94dc5d54848ace9a0c03fb039eb182129039b72f533d173. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/DEF056231504.
      date published: 2026-07-30T08:04:30Z
    audio: Il trovatore, Act I: Tacea la notte placida – Di tale amor - Live at Großes Festspielhaus, Salzburg, 1962
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      additional property: Tempo (BPM)
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  track: Il trovatore, Act I: Deserto sulla terra – Non m'inganno. Ella scende! – No. Di geloso amor - Live at Großes Festspielhaus, Salzburg, 1962
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    by artist: Leontyne Price
    by artist: Franco Corelli
    by artist: Ettore Bastianini
    by artist: Wiener Philharmoniker
    by artist: Herbert von Karajan
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      date published: 1995-01-01
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    genre: opera
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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
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7018750174f5f06cdeba9d166ab37163a8d6ec4575ab145e465078deac9cf4e6. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/DEF056231506.
      date published: 2026-07-30T12:51:24Z
    audio: Il trovatore, Act I: Deserto sulla terra – Non m'inganno. Ella scende! – No. Di geloso amor - Live at Großes Festspielhaus, Salzburg, 1962
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Valence (Positivity)
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  track: Il trovatore, Act III: Di quella pira - Live at Großes Festspielhaus, Salzburg, 1962
  track: Il trovatore, Act II: Non son tuo figlio? – Mal reggendo all'aspro asalto - Live at Großes Festspielhaus, Salzburg, 1962
  track: Il trovatore, Act II: L'usato messo Ruiz invia - Live at Großes Festspielhaus, Salzburg, 1962
album: Verdi · Il trovatore
album: Bach: Weihnachtsoratorium, BWV 248
album: Bach: La Passion selon saint Matthieu (Mono Version)
album: The 99 Most Essential Bach Masterpieces
album: Big Handel Oratorio Box
album: The 99 Most Essential Christmas Masterpieces
album: Bach: For Relaxation and Meditation
album: Christmas Classics
album: Karajan A-Z: Verdi - Vivaldi
album: Faszination Klang - Die Wiener Philharmoniker
album: Suppé: Leichte Kavallerie
album: The Strauss Dynasty: Favorite Waltzes, Polkas and Galops
album: Johann Strauss, II: The Gypsy Baron (Johann Strauss, Jr.: The Gypsy Baron)
album: Bach Hits
album: The 50 Most Essential Bach Masterpieces
album: Christmas Music for Your Christmas Eve Celebration
album: Anton Dermota
album: Haydn: Mass in C Major, Hob. XXII:9 "Missa in tempore belli" - Mozart: Regina coeli, K. 276 (Live)
album: Fritz Wunderlich, Vol. 3 (1959)
album: Bach: The Passion According to St. Matthew
album: A Classical Christmas (The VoxBox Edition)
album: J.S. Bach: Christmas Oratorio, BWV 248
album: Mendelssohn: Paulus, Op. 36 (Mono Version)
album: Schubert: Messe No. 2, D. 167, Chant victorieux de Miriam, D. 942 & Hymne au soleil, D. 439 (Mono Version)
album: Strauss: Der Rosenkavalier
album: R.Strauss: Der Rosenkavalier - The Sony Opera House
album: Big Bach Cantatas Box
album: J.S. Bach , Cantatas I
album: Il trovatore
album: VERDI: IL TROVATORE
album: Schubert: Masses No. 1 & 4
album: Verdi: Il trovatore (Excerpts) [Live]
album: Schubert: La croisade des dames (Mono Version)

Energy
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Acousticness
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value: 0

Liveness
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value: 0.682

Valence (Positivity)
type: PropertyValue
value: 0.121

Loudness (dB)
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value: -20.644

Key Name
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Mode Name
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Il trovatore, Act III: Di quella pira - Live at Großes Festspielhaus, Salzburg, 1962
type: MusicRecording
duration: PT2M28S
duration ms: 148493
explicit: false
by artist: Giuseppe Verdi
by artist: Franco Corelli
by artist: Siegfried Rudolf Frese
by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
by artist: Wiener Staatsopernchor
by artist: Kammerchor der Salzburger Festspiele
in album: Verdi: Il Trovatore (2 CDs)
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
isrc code: DEF056231523
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: OTSBitcoinBlock
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056231523
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 0x650269549cdda71a90ca84e29fcccc5adf44c70759aa9b767b96804e5e1048d0. 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/DEF056231523.
  date published: 2026-07-08T03:20:19Z
audio: Il trovatore, Act III: Di quella pira - Live at Großes Festspielhaus, Salzburg, 1962
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  additional property: Liveness
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Il trovatore, Act II: Non son tuo figlio? – Mal reggendo all'aspro asalto - Live at Großes Festspielhaus, Salzburg, 1962
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duration: PT5M34S
duration ms: 334666
explicit: false
by artist: Giuseppe Verdi
by artist: Giulietta Simionato
by artist: Franco Corelli
by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
in album: Verdi: Il Trovatore (2 CDs)
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056231510
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0xc01ecffc7b5a8c69a67993daec5a2665a14535a22a7e8a5421129c0dc2a5a555. 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/DEF056231510.
  date published: 2026-07-31T02:19:15Z
audio: Il trovatore, Act II: Non son tuo figlio? – Mal reggendo all'aspro asalto - Live at Großes Festspielhaus, Salzburg, 1962
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Il trovatore, Act II: L'usato messo Ruiz invia - Live at Großes Festspielhaus, Salzburg, 1962
type: MusicRecording
duration: PT4M12S
duration ms: 252333
explicit: false
by artist: Giuseppe Verdi
by artist: Giulietta Simionato
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by artist: Kurt Equiluz
by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
in album: Verdi: Il Trovatore (2 CDs)
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
isrc code: DEF056231511
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056231511
additional property: OTSTimestamp
  type: PropertyValue
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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 0xe7552fe675edcb6993ea24d2c75a4986215e9500d969973ce439b90ecbef792d. 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/DEF056231511.
  date published: 2026-07-31T02:19:15Z
audio: Il trovatore, Act II: L'usato messo Ruiz invia - Live at Großes Festspielhaus, Salzburg, 1962
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Verdi · Il trovatore
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Bach: Weihnachtsoratorium, BWV 248
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Bach: La Passion selon saint Matthieu (Mono Version)
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The 99 Most Essential Bach Masterpieces
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The 99 Most Essential Christmas Masterpieces
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Faszination Klang - Die Wiener Philharmoniker
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Suppé: Leichte Kavallerie
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The Strauss Dynasty: Favorite Waltzes, Polkas and Galops
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  audio: Violin Concerto No. 2 in E Major, BWV 1042: I. Allegro
track: Toccata and Fugue in D Minor, BWV 565
track: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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date published: 2026-07-31T05:17:02Z

Violin Concerto No. 2 in E Major, BWV 1042: I. Allegro
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Toccata and Fugue in D Minor, BWV 565
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duration: PT8M54S
duration ms: 534626
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by artist: Johann Sebastian Bach
by artist: Klemens Schnorr
in album: Bach Hits
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  date published: 2019-04-13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: OTSTimestamp
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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
audio: Toccata and Fugue in D Minor, BWV 565
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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duration: PT1M17S
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by artist: Günter Kehr
by artist: Klaus Pohlers
by artist: Mainz Chamber Orchestra
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  type: MusicAlbum
  date published: 2019-04-13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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Herz und Mund und Tat und Leben, BWV 147: X. Jesu bleibet meine Freude (Jesu, Joy of Man's Desiring)
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duration: PT5M48S
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by artist: Amadeus Ensemble
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genre: classical
genre: classical-piano
genre: early-music
genre: baroque
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genre: concerto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Herz und Mund und Tat und Leben, BWV 147: X. Jesu bleibet meine Freude (Jesu, Joy of Man's Desiring)
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Arioso: Largo
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duration: PT2M47S
duration ms: 167990
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by artist: Günter Kehr
by artist: Christiane Jaccottet
by artist: Württemberg Chamber Orchestra
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genre: classical
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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: 2026-07-31T12:24:41Z
audio: Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Arioso: Largo
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Concerto for Two Violins in D Minor, BWV 1043: I. Vivace
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duration: PT3M44S
duration ms: 224506
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by artist: Johann Sebastian Bach
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by artist: Yehudi Menuhin
by artist: Camerata Lysy Gstaad
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genre: classical
genre: classical-piano
genre: early-music
genre: baroque
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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fe9f5f5c0a49d7d875f5eb868f3893bda44a60c313a21b4344bfef282c4b4d2. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/SEWDL0533101.
  date published: 2026-07-30T12:06:10Z
audio: Concerto for Two Violins in D Minor, BWV 1043: I. Vivace
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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duration ms: 304605
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by artist: Günter Kehr
by artist: Württemberg Chamber Orchestra
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  date published: 2019-04-13
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 0x9fcc80e858106af65f282f9c01d625ebacc36d858dddfb9f23e23a314ba02c00. 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/USZDG0600013.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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by artist: Günter Kehr
by artist: Württemberg Chamber Orchestra
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  date published: 2019-04-13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: CopyrightRegisteredAt
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  value: 2026-07-07T07:02:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1fa3280b68b8617494f06490d2c796ebefde2aad9e96deef78f421a36da8b8aa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
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/USZDG0700312
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 0x1fa3280b68b8617494f06490d2c796ebefde2aad9e96deef78f421a36da8b8aa. 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/USZDG0700312.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
  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
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.907
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.341
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.595
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.885
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
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Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
type: MusicRecording
duration: PT1M12S
duration ms: 72140
explicit: false
by artist: Johann Sebastian Bach
by artist: Günter Kehr
by artist: Württemberg Chamber Orchestra
in album: Bach Hits
  type: MusicAlbum
  date published: 2019-04-13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USZDG0700313
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:10:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7def3dc4e0a853c66e54b9850326294d1c38e6a297166993ceef99dbece841d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0700313
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
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 0x7def3dc4e0a853c66e54b9850326294d1c38e6a297166993ceef99dbece841d2. 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/USZDG0700313.
  date published: 2026-07-31T13:04:34Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 146.083
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.284
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.508
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.233
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.643
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
type: MusicRecording
duration: PT3M20S
duration ms: 200520
explicit: false
by artist: Johann Sebastian Bach
by artist: Günter Kehr
by artist: Württemberg Chamber Orchestra
in album: Bach Hits
  type: MusicAlbum
  date published: 2019-04-13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USZDG0700314
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:11:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8680eec138363ef01c3f9235b978c21fdc1dc93aa2fb62c30df8510912ab56b1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960407
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0700314
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:26:30Z
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 0x8680eec138363ef01c3f9235b978c21fdc1dc93aa2fb62c30df8510912ab56b1. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/USZDG0700314.
  date published: 2026-07-31T13:26:30Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.924
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.557
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.798
  additional property: Liveness
    type: PropertyValue
    value: 0.242
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.825
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.529
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
type: MusicRecording
duration: PT10M52S
duration ms: 652096
explicit: false
by artist: Johann Sebastian Bach
by artist: Günter Kehr
by artist: Württemberg Chamber Orchestra
in album: Bach Hits
  type: MusicAlbum
  date published: 2019-04-13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USZDG0600082
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcfb0bc508a1271434fe8ae6ad334d36c23bd978d8ed0222a4a2abeb3206a6998
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0600082
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46Z
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 0xcfb0bc508a1271434fe8ae6ad334d36c23bd978d8ed0222a4a2abeb3206a6998. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/USZDG0600082.
  date published: 2026-07-31T20:22:46Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.487
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.217
  additional property: Energy
    type: PropertyValue
    value: 0.432
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.772
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.285
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.664
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.043
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
type: MusicRecording
duration: PT5M38S
duration ms: 338821
explicit: false
by artist: Johann Sebastian Bach
by artist: Günter Kehr
by artist: Württemberg Chamber Orchestra
in album: Bach Hits
  type: MusicAlbum
  date published: 2019-04-13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USZDG0600084
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:18:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8144c1b256ca0f6982170a48b9ab2073a052d416a049eaaee564c3c92b85c41
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0600084
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0xb8144c1b256ca0f6982170a48b9ab2073a052d416a049eaaee564c3c92b85c41. 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/USZDG0600084.
  date published: 2026-07-08T03:53:27Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.058
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.291
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.747
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.678
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.126
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wachet auf, ruft uns die Stimme, BWV 645
type: MusicRecording
duration: PT4M4S
duration ms: 244106
explicit: false
by artist: Johann Sebastian Bach
by artist: Hans Fagius
in album: Bach Hits
  type: MusicAlbum
  date published: 2019-04-13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: SEAEC8636080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T04:58:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde1ab97e7daef2b77aa2e2cba122e41eef9d1a0d1f4067b6fc6657a73c9de2dc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960209
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960209
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEC8636080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:15:54Z
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 0xde1ab97e7daef2b77aa2e2cba122e41eef9d1a0d1f4067b6fc6657a73c9de2dc. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/SEAEC8636080.
  date published: 2026-07-30T05:15:54Z
audio: Wachet auf, ruft uns die Stimme, BWV 645
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.745
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.221
  additional property: Energy
    type: PropertyValue
    value: 0.015
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.928
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.25
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.985
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Prelude and Fugue in C Major, BWV 846
type: MusicRecording
duration: PT3M45S
duration ms: 225840
explicit: false
by artist: Johann Sebastian Bach
by artist: Christiane Jaccottet
in album: Bach Hits
  type: MusicAlbum
  date published: 2019-04-13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: SEWDL0746201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:18:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x07944ec400c0869b286d01bd92f921bfa86da849be81fb37097a03008ada6084
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0746201
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
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 0x07944ec400c0869b286d01bd92f921bfa86da849be81fb37097a03008ada6084. 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/SEWDL0746201.
  date published: 2026-07-31T13:04:34Z
audio: Prelude and Fugue in C Major, BWV 846
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.868
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.208
  additional property: Energy
    type: PropertyValue
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Violin Concerto No. 1 in A Minor, BWV 1041: I. No Tempo Indication
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by artist: Emmy Verhey
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Fugue in G Minor, BWV 578 "Little Fugue"
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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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The 50 Most Essential Bach Masterpieces
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Concerto in D Minor for 2 Violins, Strings and B.C, BWV 1043: II. Largo ma non tanto

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OpenTimestamps Proof of Existence
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date published: 2026-07-29T15:22:21Z

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Concerto in D Minor for 2 Violins, Strings and B.C, BWV 1043: II. Largo ma non tanto
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subject of: OpenTimestamps Proof of Existence
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Christmas Music for Your Christmas Eve Celebration
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date published: 2012-10-01

Anton Dermota
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Haydn: Mass in C Major, Hob. XXII:9 "Missa in tempore belli" - Mozart: Regina coeli, K. 276 (Live)
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Fritz Wunderlich, Vol. 3 (1959)
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Bach: The Passion According to St. Matthew
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A Classical Christmas (The VoxBox Edition)
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J.S. Bach: Christmas Oratorio, BWV 248
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Mendelssohn: Paulus, Op. 36 (Mono Version)
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Schubert: Messe No. 2, D. 167, Chant victorieux de Miriam, D. 942 & Hymne au soleil, D. 439 (Mono Version)
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Strauss: Der Rosenkavalier
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    date published: 2026-07-31T08:26:41Z
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  audio: Der Rosenkavalier, Op. 59: Akt I, Wie du warst! Wie du bist! - 2014 Remastered Version
track: Der Rosenkavalier, Op. 59: Akt II, In dieser feierlichen Stunde der Prüfung - 2014 Remastered Version
track: Der Rosenkavalier, Op. 59: Akt II, Mir ist die Ehre widerfahren - 2014 Remastered Version
track: Der Rosenkavalier, Op. 59: Akt I, Quinquin, es ist mein Mann! - 2014 Remastered Version
track: Der Rosenkavalier, Op. 59: Akt I, Selbstverständlich empfängt mich Ihre Gnaden - 2014 Remastered Version
track: Der Rosenkavalier, Op. 59: Akt I, Di rigori armato il seno - 2014 Remastered Version
track: Der Rosenkavalier, Op. 59: Akt III, Marie Theres'! (Hab' mir's gelobt, ihn lieb zu haben in der richtigen Weis'...) - 2014 Remastered Version
track: Der Rosenkavalier, Op. 59: Akt III, Ist ein Traum, kann nicht wirklich sein - 2014 Remastered Version

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date published: 2026-07-08T03:20:19Z

Der Rosenkavalier, Op. 59: Akt I, Wie du warst! Wie du bist! - 2014 Remastered Version
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Der Rosenkavalier, Op. 59: Akt II, In dieser feierlichen Stunde der Prüfung - 2014 Remastered Version
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Der Rosenkavalier, Op. 59: Akt II, In dieser feierlichen Stunde der Prüfung - 2014 Remastered Version
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Der Rosenkavalier, Op. 59: Akt II, Mir ist die Ehre widerfahren - 2014 Remastered Version
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Der Rosenkavalier, Op. 59: Akt II, Mir ist die Ehre widerfahren - 2014 Remastered Version
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Der Rosenkavalier, Op. 59: Akt I, Quinquin, es ist mein Mann! - 2014 Remastered Version
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Der Rosenkavalier, Op. 59: Akt I, Selbstverständlich empfängt mich Ihre Gnaden - 2014 Remastered Version
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Der Rosenkavalier, Op. 59: Akt I, Di rigori armato il seno - 2014 Remastered Version
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Der Rosenkavalier, Op. 59: Akt III, Marie Theres'! (Hab' mir's gelobt, ihn lieb zu haben in der richtigen Weis'...) - 2014 Remastered Version
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T12:35:17Z
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Der Rosenkavalier, Op. 59: Akt III, Ist ein Traum, kann nicht wirklich sein - 2014 Remastered Version
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  date published: 2026-07-31T06:58:00Z
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R.Strauss: Der Rosenkavalier - The Sony Opera House
type: MusicAlbum
date published: 1971

Big Bach Cantatas Box
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date published: 2015-10-02

J.S. Bach , Cantatas I
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Il trovatore
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VERDI: IL TROVATORE
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Schubert: Masses No. 1 & 4
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Verdi: Il trovatore (Excerpts) [Live]
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Schubert: La croisade des dames (Mono Version)
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