Darc Mind
type: MusicGroup
genre: boom bap
genre: underground hip hop
description: Darc Mind was an underground hip hop duo from Queens, New York. It consisted of rapper Kev Roc and producer X-Ray. History Darc Mind recorded their debut album Symptomatic of a Greater Ill for Loud R
popularity: 17
followers: 4410
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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 0x0d0b0da23dd8680219623309029295018ccfe852c2c957514d6cd1ddc5b85fd3. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2220f495-4a93-43bd-9d17-50ae0c946f5d.json and https://artists.proofprofile.net/proofs/artist/2220f495-4a93-43bd-9d17-50ae0c946f5d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:37:06Z
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album: Outside Looking In
  type: MusicAlbum
  date published: 1996-06-04
album: Symptomatic of a Greater Ill
  type: MusicAlbum
  date published: 2006
  track: Outside Looking In
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236120
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    by artist: Darc Mind
    in album: Symptomatic of a Greater Ill
      type: MusicAlbum
      date published: 2006
    genre: boom bap
    genre: underground hip hop
    isrc code: US2CT0600079
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T08:09:17Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x221ec6b44dd6559e15e74ed20df76d3bb83a3da20f84b5e816342aca134c8758. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:09:17Z), 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/US2CT0600079.
      date published: 2026-07-16T08:09:17Z
    audio: Outside Looking In
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 87.022
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
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        value: 1
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        type: PropertyValue
        value: 4
      additional property: Danceability
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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        value: -8.37
      additional property: Key Name
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        value: B
      additional property: Mode Name
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album: Symptomatic of a Greater Ill
  type: MusicAlbum
  date published: 2006-08-28
album: Symptomatic of a Greater Ill
  type: MusicAlbum
  date published: 2006-08-28
album: Symptomatic of a Greater Ill
  type: MusicAlbum
  date published: 2006-08-28
album: Bipolar
  type: MusicAlbum
  date published: 2007-04-17
album: Antediluvian, Vol.1
  type: MusicAlbum
  date published: 2013-05-21
album: What Happened to the Art?
  type: MusicAlbum
  date published: 2019-11-01
album: Darc Mind Wuz Here
  type: MusicAlbum
  date published: 2022-01-07
track: Visions of Blur

Visions of Blur
type: MusicRecording
duration: PT4M55S
duration ms: 295746
explicit: false
by artist: Darc Mind
in album: Soul in the Hole (Original Music from and Inspired by the Motion Picture)
  type: MusicAlbum
  date published: 2016-04-29
isrc code: USRC19706333
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additional property: OTSBitcoinBlockVerifyURL
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa9b5f68d161023cdc4708790b728623dcfe2194275eaa4d080b35127c205d5. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USRC19706333.
  date published: 2026-07-06T06:56:49Z
audio: Visions of Blur
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  additional property: Tempo (BPM)
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  additional property: Danceability
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    value: 0.331
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