Czech Philharmonic Chorus Brno
type: MusicGroup
genre: choral
genre: requiem
popularity: 24
followers: 112
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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
subject of: OpenTimestamps Proof of Existence
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album: Handl-Gallus: Lamentationes Jeremiae Prophetae
  type: MusicAlbum
  date published: 1997-03-31
album: Cherubini: Requiem
  type: MusicAlbum
  date published: 2015-08-31
  track: Requiem in C Minor: I. Introitus
  track: Requiem in C Minor: II. Graduale
  track: Requiem in C Minor: III. Dies irae
  track: Requiem in C Minor: IV. Offertorium
  track: Requiem in C Minor: V. Sanctus
  track: Requiem in C Minor: VI. Pie Jesu
  track: Requiem in C Minor: VII. Agnus Dei
album: Ryba, Fiala: Homage to Czech Saints
  type: MusicAlbum
  date published: 1995-01-01
album: Caldara: Dies irae - Mozart: Missa brevis
  type: MusicAlbum
  date published: 1994-01-01
album: The Many Passions of Leoš Janáček
  type: MusicAlbum
  date published: 2023-08-25
album: Janáček: Unknown IV. Love Letters
  type: MusicAlbum
  date published: 1998-01-01
album: Massenet: Marie Magdeleine
  type: MusicAlbum
  date published: 1994-01-01
album: Lasso, Caldara, Mozart: Masses of 3 Eras
  type: MusicAlbum
  date published: 2007-10-31
album: Jeremiáš: láska, písňový cyklus - blatný: štědrý den, kantáta
  type: MusicAlbum
  date published: 2023-03-31

Requiem in C Minor: I. Introitus
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duration ms: 595040
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by artist: Luigi Cherubini
by artist: Filharmonie Brno
by artist: Czech Philharmonic Chorus Brno
by artist: Petr Fiala
in album: Cherubini: Requiem
  type: MusicAlbum
  date published: 2015-08-31
genre: classical
genre: requiem
isrc code: CZA160505631
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Requiem in C Minor: I. Introitus
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Requiem in C Minor: II. Graduale
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duration: PT1M42S
duration ms: 102466
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by artist: Filharmonie Brno
by artist: Czech Philharmonic Chorus Brno
by artist: Petr Fiala
in album: Cherubini: Requiem
  type: MusicAlbum
  date published: 2015-08-31
genre: classical
genre: requiem
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Requiem in C Minor: II. Graduale
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Requiem in C Minor: III. Dies irae
type: MusicRecording
duration: PT10M16S
duration ms: 616040
explicit: false
by artist: Luigi Cherubini
by artist: Filharmonie Brno
by artist: Czech Philharmonic Chorus Brno
by artist: Petr Fiala
in album: Cherubini: Requiem
  type: MusicAlbum
  date published: 2015-08-31
genre: classical
genre: requiem
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Requiem in C Minor: III. Dies irae
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Requiem in C Minor: IV. Offertorium
type: MusicRecording
duration: PT16M25S
duration ms: 985400
explicit: false
by artist: Luigi Cherubini
by artist: Filharmonie Brno
by artist: Czech Philharmonic Chorus Brno
by artist: Petr Fiala
in album: Cherubini: Requiem
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  date published: 2015-08-31
genre: classical
genre: requiem
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-02T05:09:12Z
audio: Requiem in C Minor: IV. Offertorium
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Requiem in C Minor: V. Sanctus
type: MusicRecording
duration: PT1M35S
duration ms: 95226
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by artist: Luigi Cherubini
by artist: Filharmonie Brno
by artist: Czech Philharmonic Chorus Brno
by artist: Petr Fiala
in album: Cherubini: Requiem
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  date published: 2015-08-31
genre: classical
genre: requiem
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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
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  date published: 2026-06-13T13:32:09Z
audio: Requiem in C Minor: V. Sanctus
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Requiem in C Minor: VI. Pie Jesu
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by artist: Filharmonie Brno
by artist: Czech Philharmonic Chorus Brno
by artist: Petr Fiala
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  date published: 2015-08-31
genre: classical
genre: requiem
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Requiem in C Minor: VI. Pie Jesu
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Requiem in C Minor: VII. Agnus Dei
type: MusicRecording
duration: PT8M8S
duration ms: 488266
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by artist: Luigi Cherubini
by artist: Filharmonie Brno
by artist: Czech Philharmonic Chorus Brno
by artist: Petr Fiala
in album: Cherubini: Requiem
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genre: classical
genre: requiem
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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
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  date published: 2026-07-02T05:09:12Z
audio: Requiem in C Minor: VII. Agnus Dei
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