Topcat
type: MusicGroup
genre: jungle
genre: ragga
description: thumb|Class Symbol thumb|TOPCAT K1 with 18 ft LOA thumb|TOPCAT K2 with 17 ft LOA thumb|TOPCAT K3 with 16,1 ft LOA The Topcat is a one-design sailing catamaran boat class which is divided into several
popularity: 15
followers: 1378
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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
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  date published: 2026-06-15T04:44:49Z
album: Catonine Tales
  type: MusicAlbum
  date published: 1995-01-01
  track: Wine Up U Body
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    by artist: Topcat
    in album: Catonine Tales
      type: MusicAlbum
      date published: 1995-01-01
    genre: jungle
    genre: ragga
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-20T10:02:52Z
    audio: Wine Up U Body
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      additional property: Tempo (BPM)
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album: Cat A Log In
  type: MusicAlbum
  date published: 2009-09-21
album: Friend With Weed - Single
  type: MusicAlbum
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      type: MusicAlbum
      date published: 2010-05-21
    genre: jungle
    genre: ragga
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-17T04:32:48Z
    audio: Friend With Weed
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album: A Day Late and a Dollar Short
album: Outta the Catacombs
album: Mr Wooble
album: Haul and Pull Up
album: A Midnight Dreary
album: Life Lit (feat. Choppa City Boy Snipe & Utp Skip)
track: Jamaica

Jamaica
type: MusicRecording
duration: PT7M47S
duration ms: 467464
explicit: false
by artist: Blackout JA
by artist: Liondub
by artist: P Skinna
by artist: Daddy Freddy
by artist: YT Reggae
by artist: Da Fuchaman
by artist: Frisco Banton
by artist: Rebel MC
by artist: Topcat
by artist: Navigator
by artist: Super Sass
by artist: Shumba Youth
by artist: Mr. Glenny
by artist: Souls Liberation
in album: Jamaica
  type: MusicAlbum
  date published: 2022-02-25
genre: ragga-jungle
isrc code: QMKKH2201081
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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: 2026-07-08T03:20:19Z
audio: Jamaica
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Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.356

Valence (Positivity)
type: PropertyValue
value: 0.62

Loudness (dB)
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Key Name
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value: G

Mode Name
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value: Minor

A Day Late and a Dollar Short
type: MusicAlbum
date published: 2010-11-11

Outta the Catacombs
type: MusicAlbum
date published: 2012-05-28

Mr Wooble
type: MusicAlbum
date published: 2015-05-31

Haul and Pull Up
type: MusicAlbum
date published: 2016-04-04

A Midnight Dreary
type: MusicAlbum
date published: 2017-02-14

Life Lit (feat. Choppa City Boy Snipe & Utp Skip)
type: MusicAlbum
date published: 2017-08-18