Duck
type: MusicGroup
description: Duck is the common name for numerous species of waterfowl in the family Anatidae. Ducks are generally smaller and shorter-necked than swans and geese, which are members of the same family. Divided amo
popularity: 18
followers: 341
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-14T17:28:39Z
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  type: MusicAlbum
  date published: 2024-07-29
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album: LOFI chill evening
  type: MusicAlbum
  date published: 2020-03-02
  track: LOFI chill evening
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LOFI chill evening
type: MusicRecording
duration: PT2M36S
duration ms: 156174
explicit: false
by artist: Duck
in album: LOFI chill evening
  type: MusicAlbum
  date published: 2020-03-02
isrc code: GBSMU7661212
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additional property: OTSVerifyInstructions
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: LOFI chill evening
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