Zagreb Philharmonic Chorus
type: MusicGroup
genre: classical
popularity: 10
followers: 55
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  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
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  date published: 2026-06-17T01:08:06Z
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album: The Essence Of The Beethoven Symphonies
  type: MusicAlbum
  date published: 1990-03-15
track: Sinfonie Nr. 9 d-Moll, Op. 125: 4. Finale: Presto - Allegro assai (Uhrwerk Orange): IV. Finale: Presto - Allegro assai
  type: MusicRecording
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  by artist: Ludwig van Beethoven
  by artist: Gabriele Lechner
  by artist: Diane Elias
  by artist: Michael Pabst
  by artist: Robert Holzer
  by artist: Zagreb Philharmonic Chorus
  by artist: Zagreb Philharmonic Orchestra
  by artist: Richard Edlinger
  in album: Hymnen Europas - Die Nationalhymnen der 25 EU-Mitgliedsstaaten
    type: MusicAlbum
    date published: 2004-07-19
  popularity: 1
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: HKI199217104
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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
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    date published: 2026-07-08T03:20:19Z
  audio: Sinfonie Nr. 9 d-Moll, Op. 125: 4. Finale: Presto - Allegro assai (Uhrwerk Orange): IV. Finale: Presto - Allegro assai
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    additional property: Tempo (BPM)
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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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      value: D
    additional property: Mode Name
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track: Symphony No. 9 in D Minor, Op. 125 "Choral": IV. Finale: Presto - Allegro assai
  type: MusicRecording
  duration: PT23M40S
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  by artist: Ludwig van Beethoven
  by artist: Gabriele Lechner
  by artist: Diane Elias
  by artist: Michael Pabst
  by artist: Robert Holzer
  by artist: Zagreb Philharmonic Chorus
  by artist: Zagreb Philharmonic Orchestra
  by artist: Richard Edlinger
  in album: Beethoven: 9 Symphonies (Complete)
    type: MusicAlbum
    date published: 1997-02-20
  genre: classical
  genre: classical-piano
  genre: chamber-music
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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: 2026-07-31T16:33:26Z
  audio: Symphony No. 9 in D Minor, Op. 125 "Choral": IV. Finale: Presto - Allegro assai
    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: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name

Danceability
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value: 0.254

Energy
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Speechiness
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value: 0.041

Acousticness
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value: 0.963

Instrumentalness
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value: 0.147

Liveness
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value: 0.163

Valence (Positivity)
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value: 0.089

Loudness (dB)
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value: -23.973

Key Name
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value: D

Mode Name
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value: Major