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type: MusicGroup
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followers: 154
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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: OTSProofURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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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: Esencia
  type: MusicAlbum
  date published: 2017-02-17
album: Amor Sin Comentarios
  type: MusicAlbum
  date published: 2017-09-30
track: Somebody - Reggaeton Remix (Spanglish Version)
track: Mozart: Le nozze di Figaro, K. 492, Act 1: Recitativo. "Ah, son perduto!" (Cherubino, Susanna, Il Conte, Basilio)
track: Le Nozze di Figaro, K. 492, Act II: Voi signor, che giusto siete
track: Charpentier: Extremum Dei judicium, H. 401: XI. Chœur des élus. "Hymnum dicamus Domine nostro"
track: Mendelssohn: Lauda Sion, Op. 73, MWV A24: No. 4, Quartetto. "In hac mensa novi regis"
track: Mozart: Le nozze di Figaro, K. 492, Act 1: Terzetto. "Cosa sento! Tosto andate" (Il Conte, Basilio, Susanna)
track: Mozart: Le nozze di Figaro, K. 492, Act 1: Recitativo. "Basilio, in traccia tosto di Figaro volate" (Il Conte, Susanna, Cherubino, Basilio)
track: Mozart: Le nozze di Figaro, K. 492, Act 1: Recitativo. "Evviva!" (Figaro, Susanna, Basilio, Cherubino, Il Conte)
track: Schubert: Stabat Mater in F Minor, D. 383: No. 4, Duett. "Engel freuten sich der Wonne"

Somebody - Reggaeton Remix (Spanglish Version)
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by artist: JENCARLOS
by artist: KEVIN ROLDAN
by artist: Alejandro Ramirez
in album: Somebody [Reggaeton Remix (Spanglish Version)]
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  date published: 2014-10-08
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additional property: CopyrightStatus
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Somebody - Reggaeton Remix (Spanglish Version)
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Mozart: Le nozze di Figaro, K. 492, Act 1: Recitativo. "Ah, son perduto!" (Cherubino, Susanna, Il Conte, Basilio)
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by artist: Alejandro Ramirez
by artist: Ann Murray
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by artist: Kathleen Battle
by artist: Wiener Philharmoniker
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genre: classical
genre: classical-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 1: Recitativo. "Ah, son perduto!" (Cherubino, Susanna, Il Conte, Basilio)
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Le Nozze di Figaro, K. 492, Act II: Voi signor, che giusto siete
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duration: PT3M45S
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explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Alejandro Ramirez
by artist: Jorma Hynninen
by artist: Kathleen Battle
by artist: Kurt Rydl
by artist: Margaret Price
by artist: Mariana Nicolesco
by artist: Thomas Allen
by artist: Wiener Philharmoniker
in album: Classical Music for Cooking
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  date published: 2021-03-26
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T20:16:50Z
audio: Le Nozze di Figaro, K. 492, Act II: Voi signor, che giusto siete
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Charpentier: Extremum Dei judicium, H. 401: XI. Chœur des élus. "Hymnum dicamus Domine nostro"
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duration: PT4M40S
duration ms: 280346
explicit: false
by artist: Marc-Antoine Charpentier
by artist: Michel Corboz
by artist: Alain Zaepffel
by artist: Alejandro Ramirez
by artist: Evelyn Brunner
by artist: Helena Viera
by artist: Naoko Ihara
by artist: Philippe Huttenlocher
by artist: Orquestra Gulbenkian
in album: Charpentier: Le jugement dernier, Salve Regina & Miserere des Jésuites
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popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: french-baroque
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T01:44:32Z
audio: Charpentier: Extremum Dei judicium, H. 401: XI. Chœur des élus. "Hymnum dicamus Domine nostro"
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Mendelssohn: Lauda Sion, Op. 73, MWV A24: No. 4, Quartetto. "In hac mensa novi regis"
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duration: PT4M22S
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by artist: Felix Mendelssohn
by artist: Michel Corboz
by artist: Alejandro Ramirez
by artist: Evelyn Brunner
by artist: Naoko Ihara
by artist: Philippe Huttenlocher
by artist: Orquestra Gulbenkian
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popularity: 1
genre: classical
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genre: german-romanticism
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  date published: 2026-08-01T00:40:43Z
audio: Mendelssohn: Lauda Sion, Op. 73, MWV A24: No. 4, Quartetto. "In hac mensa novi regis"
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Mozart: Le nozze di Figaro, K. 492, Act 1: Terzetto. "Cosa sento! Tosto andate" (Il Conte, Basilio, Susanna)
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by artist: Riccardo Muti
by artist: Alejandro Ramirez
by artist: Jorma Hynninen
by artist: Kathleen Battle
by artist: Wiener Philharmoniker
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genre: classical
genre: classical-era
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  date published: 2026-07-29T12:41:21Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 1: Terzetto. "Cosa sento! Tosto andate" (Il Conte, Basilio, Susanna)
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Mozart: Le nozze di Figaro, K. 492, Act 1: Recitativo. "Basilio, in traccia tosto di Figaro volate" (Il Conte, Susanna, Cherubino, Basilio)
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duration: PT0M53S
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by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Alejandro Ramirez
by artist: Ann Murray
by artist: Jorma Hynninen
by artist: Kathleen Battle
by artist: Wiener Philharmoniker
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genre: classical
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  date published: 2026-07-29T13:21:01Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 1: Recitativo. "Basilio, in traccia tosto di Figaro volate" (Il Conte, Susanna, Cherubino, Basilio)
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Mozart: Le nozze di Figaro, K. 492, Act 1: Recitativo. "Evviva!" (Figaro, Susanna, Basilio, Cherubino, Il Conte)
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duration: PT1M6S
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by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Alejandro Ramirez
by artist: Ann Murray
by artist: Jorma Hynninen
by artist: Kathleen Battle
by artist: Thomas Allen
by artist: Wiener Philharmoniker
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  date published: 1987-01-01
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 1: Recitativo. "Evviva!" (Figaro, Susanna, Basilio, Cherubino, Il Conte)
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Schubert: Stabat Mater in F Minor, D. 383: No. 4, Duett. "Engel freuten sich der Wonne"
type: MusicRecording
duration: PT3M10S
duration ms: 190266
explicit: false
by artist: Franz Schubert
by artist: Michel Corboz
by artist: Alejandro Ramirez
by artist: Sheila Armstrong
by artist: Orchestre de Chambre de Lausanne
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Schubert: Stabat Mater in F Minor, D. 383: No. 4, Duett. "Engel freuten sich der Wonne"
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