Sonia Ganassi
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genre: classical
genre: opera
description: Sonia Ganassi (born 1966) is an Italian mezzo-soprano. Born in Reggio Emilia, she made her debut as Rosina in Rossini’s The Barber of Seville in Rome in 1992. She has performed in many of the world’s
popularity: 31
followers: 312
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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: 2026-06-12T19:24:56Z
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album: Rossini: Stabat Mater
  type: MusicAlbum
  date published: 2003-01-01
  track: Stabat Mater: 5. Eja Mater fons amoris
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    by artist: Gioachino Rossini
    by artist: Michele Pertusi
    by artist: Netherlands Radio Choir
    by artist: Riccardo Chailly
    in album: Rossini: Stabat Mater
      type: MusicAlbum
      date published: 2003-01-01
    popularity: 0
    genre: classical
    genre: opera
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:20:19Z
    audio: Stabat Mater: 5. Eja Mater fons amoris
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track: Il barbiere di Siviglia (The Barber of Seville): Act I Duetto: Dunque io son... tu non m'inganni? (Rosina, Figaro)
  type: MusicRecording
  duration: PT5M3S
  duration ms: 303626
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  by artist: Gioachino Rossini
  by artist: Franco de Grandis
  by artist: Sonia Ganassi
  by artist: Ingrid Kertesi
  by artist: Angelo Romero
  by artist: Roberto Servile
  by artist: Ramón Vargas
  by artist: Hungarian Radio Chorus
  by artist: Budapest Failoni Chamber Orchestra
  by artist: Will Humburg
  in album: Great Opera
    type: MusicAlbum
    date published: 2012-05-01
  popularity: 4
  genre: classical
  genre: opera
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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: 2026-07-30T18:46:00Z
  audio: Il barbiere di Siviglia (The Barber of Seville): Act I Duetto: Dunque io son... tu non m'inganni? (Rosina, Figaro)
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