Opera Orchestra of New York
type: MusicGroup
genre: opera
description: The Opera Orchestra of New York (also known as OONY) specializes in the performance of opera in concert form. It is particularly known for its work in presenting rarely performed repertory. Among the
popularity: 4
followers: 52
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subject of: OpenTimestamps Proof of Existence
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track: Gemma di Vergy: Dio Possente! Ah! Tu Ben Sai
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  by artist: Gaetano Donizetti
  by artist: Opera Orchestra of New York
  by artist: Eve Queler
  in album: Montserrat Caballé - The Diva
    type: MusicAlbum
    date published: 2013-05-24
  genre: opera
  isrc code: USSM10312201
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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
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    date published: 2026-07-31T00:26:26Z
  audio: Gemma di Vergy: Dio Possente! Ah! Tu Ben Sai
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