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genre: medieval
description: Bartolomeo Tromboncino (c. 1470 – 1535 or later) was an Italian composer of the middle Renaissance. He is mainly famous as a composer of frottole; he is principally infamous for murdering his wife. He
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followers: 1017
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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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album: Tromboncino: Frottole
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  date published: 1981-01-01
album: Laudi e Lamentazioni
  type: MusicAlbum
  date published: 2012-10-01
album: Dulces Exuviae
  type: MusicAlbum
  date published: 2013-01-01
album: Laudi e Lamentazioni
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album: Dulces Exuviae
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  date published: 2013-06-21
album: Dolermi sempre voglio (in Tenori e contrabassi intabulati col sopran in canto)
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track: Ostinato vos seguire
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  by artist: Bartolomeo Tromboncino
  by artist: Capella De La Torre
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    type: MusicAlbum
    date published: 2015-10-16
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
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track: Deh sì, deh no (Viols & Voice)
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  by artist: Bartolomeo Tromboncino
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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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track: Poi che volse la mia stella
track: Non val acqua al mio gran foco

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Poi che volse la mia stella
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by artist: Bartolomeo Tromboncino
by artist: Akantus
in album: Amando e Desiando
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  date published: 2011-05-01
popularity: 1
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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
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Non val acqua al mio gran foco
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popularity: 1
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Non val acqua al mio gran foco
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