Miniyo Kids Nursery Rhymes
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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: 2026-06-14T15:20:52Z
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album: Space Songs for Kids
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  date published: 2022-07-05
  track: Planets
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      date published: 2022-07-05
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      date published: 2026-07-20T21:15:01Z
    audio: Planets
      type: AudioObject
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album: Dinosaur Songs for Kids
  type: MusicAlbum
  date published: 2022-07-06
album: Nursery Rhymes by Miniyo Kids, Vol. 1
  type: MusicAlbum
  date published: 2022-09-11
album: Planets (Remix)
  type: MusicAlbum
  date published: 2024-12-01
  track: Planets (Remix)
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      date published: 2024-12-01
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-19T17:59:35Z
    audio: Planets (Remix)
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      additional property: Loudness (dB)
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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