Quartetto Gelato
type: MusicGroup
description: Quartetto Gelato is a Canadian classical crossover quartet with current members Colin Maier, Matti Pulkki, Dobrochna Zubek, and Tino Popovic, and based in Hamilton, Ontario. Their musical repertoire
popularity: 9
followers: 1094
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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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  date published: 2026-06-17T08:11:48Z
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album: Quartetto Gelato
  type: MusicAlbum
  date published: 1993-01-01
  track: 'O Sole Mio / Quartet in B Flat Major
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    by artist: Quartetto Gelato
    in album: Quartetto Gelato
      type: MusicAlbum
      date published: 1993-01-01
    isrc code: CAL350400097
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    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13b3afcbe31df41ce7696dddb1c15c45c3d423e423dffcde43cc398953d8ae5e. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:04:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAL350400097.
      date published: 2026-07-21T04:04:05Z
    audio: 'O Sole Mio / Quartet in B Flat Major
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Danceability
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
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        value: G
      additional property: Mode Name
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album: Quartetto Gelato
  type: MusicAlbum
  date published: 1993-01-01
album: Quartetto Gelato
  type: MusicAlbum
  date published: 1993-01-01
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album: The Magic of Christmas
  type: MusicAlbum
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  type: MusicAlbum
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album: Quartetto Gelato: All Original, 100% Canadian
album: Tasty Tunes

The Magic Of Christmas
type: MusicAlbum
date published: 2010-11-09

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type: MusicAlbum
date published: 2010-11-09

Quartetto Gelato: All Original, 100% Canadian
type: MusicAlbum
date published: 2015-02-19

Tasty Tunes
type: MusicAlbum
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