John Swana
type: MusicGroup
genre: hard bop
genre: jazz
description: John Elliott Swana (born 1962) is an American jazz musician who played trumpet and flügelhorn until a benign tumor forced him to put down those instruments. He then picked up the valve trombone and el
popularity: 11
followers: 1351
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album: Philly - New York Junction
  type: MusicAlbum
  date published: 1999
album: ABOHM
  type: MusicAlbum
  date published: 2012-02-21
track: Papa Perk

Papa Perk
type: MusicRecording
duration: PT3M40S
duration ms: 220507
explicit: false
by artist: Jon L. Smith
by artist: John Swana
by artist: Simon Martinez
in album: Jon L. Smith
  type: MusicAlbum
  date published: 2020-10-20
isrc code: TCAFE2036907
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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: 2026-07-08T03:39:04Z
audio: Papa Perk
  type: AudioObject
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  additional property: Speechiness
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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