Hip Hop DJs United
type: MusicGroup
popularity: 14
followers: 576
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additional property: OTSVerifyInstructions
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x662894ed408f8d5588a275b308288fb4eca504aa55678c489bdf6089f3ad5efe. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/73f2d294-9873-4fcd-8963-529cf99eeac6.json and https://artists.proofprofile.net/proofs/artist/73f2d294-9873-4fcd-8963-529cf99eeac6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
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album: Hip Hop Master Beats - Instrumental Versions
  type: MusicAlbum
  date published: 2009-02-01
  track: Paparazzi (as made famous by Xzibit)
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    duration: PT3M57S
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    by artist: Hip Hop DJs United
    in album: Hip Hop Master Beats - Instrumental Versions
      type: MusicAlbum
      date published: 2009-02-01
    isrc code: USA560915632
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f7d8b94932090e91beae23c1a58898811879c8333c233a1938aa098b4e28a5. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/USA560915632.
      date published: 2026-07-17T03:33:42Z
    audio: Paparazzi (as made famous by Xzibit)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.526
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        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
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        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.688
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      additional property: Speechiness
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        type: PropertyValue
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      additional property: Instrumentalness
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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: Ab
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album: Ultimate Black Eyed Peas Karaoke
  type: MusicAlbum
  date published: 2010-02-01
album: The Ultimate Salute To Black Eyed Peas
  type: MusicAlbum
  date published: 2010-02-01
album: The Ultimate Salute To Jay-Z
  type: MusicAlbum
  date published: 2010-02-01
album: Black Eyed Peas Karaoke
  type: MusicAlbum
  date published: 2010-02-01
album: Top 50 Hip Hop Beats Now!
  type: MusicAlbum
  date published: 2010-02-01
album: Jay-Z Karaoke
  type: MusicAlbum
  date published: 2010-02-01
album: 50 Hip Hop Beats Now!
  type: MusicAlbum
  date published: 2010-08-01
album: 50 Top Hip Hop Hits
  type: MusicAlbum
  date published: 2010-08-01
album: Rap Superstar Backing Tracks
  type: MusicAlbum
  date published: 2011-01-01
  track: Keep Their Heads Ringin’ (Made Famous by Dr. Dre)
    type: MusicRecording
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    by artist: Hip Hop DJs United
    in album: Rap Superstar Backing Tracks
      type: MusicAlbum
      date published: 2011-01-01
    isrc code: USA371179450
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    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
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      date published: 2026-07-13T17:43:59Z
    audio: Keep Their Heads Ringin’ (Made Famous by Dr. Dre)
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: The Indie Hip Hop Uprising, Vol. 1 (Discover Some of the Best Indie Hop-Hop from the USA)

Time Signature
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value: 4

Danceability
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value: 0.595

Energy
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value: 0.502

Speechiness
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value: 0.028

Acousticness
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value: 0.002

Instrumentalness
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value: 0.885

Liveness
type: PropertyValue
value: 0.069

Valence (Positivity)
type: PropertyValue
value: 0.703

Loudness (dB)
type: PropertyValue
value: -10.967

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

The Indie Hip Hop Uprising, Vol. 1 (Discover Some of the Best Indie Hop-Hop from the USA)
type: MusicAlbum
date published: 2015-04-09