BLK JKS
type: MusicGroup
description: Blk Jks, stylized BLK JKS (disemvowelment of Black Jacks), are a South African rock band from Johannesburg, formed in 2000. History 2000–2007: Formation and early years Childhood friends Mpumelelo
popularity: 10
followers: 5985
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87e1fb1cc7477b9475670c6e8dc3b9ec73398c4bc991038306b8f2cf21cac623
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e58e366b-218d-42a3-bc06-47dac3d42e50.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e58e366b-218d-42a3-bc06-47dac3d42e50.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e58e366b-218d-42a3-bc06-47dac3d42e50
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x87e1fb1cc7477b9475670c6e8dc3b9ec73398c4bc991038306b8f2cf21cac623","name":"BLK JKS","registered_at":"2026-06-21T08:19:05Z","symbol":"NIM1873672","token_address":"0xa96284c7a0a7b7049e4256cd407a5c7eb932e834","type":"artist","uuid":"e58e366b-218d-42a3-bc06-47dac3d42e50"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87e1fb1cc7477b9475670c6e8dc3b9ec73398c4bc991038306b8f2cf21cac623. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e58e366b-218d-42a3-bc06-47dac3d42e50.json and https://artists.proofprofile.net/proofs/artist/e58e366b-218d-42a3-bc06-47dac3d42e50.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0x87e1fb1cc7477b9475670c6e8dc3b9ec73398c4bc991038306b8f2cf21cac623","name":"BLK JKS","registered_at":"2026-06-21T08:19:05Z","symbol":"NIM1873672","token_address":"0xa96284c7a0a7b7049e4256cd407a5c7eb932e834","type":"artist","uuid":"e58e366b-218d-42a3-bc06-47dac3d42e50"}
album: Mystery EP
  type: MusicAlbum
  date published: 2009-03-10
  track: Lakeside
    type: MusicRecording
    duration: PT4M11S
    duration ms: 251893
    explicit: false
    by artist: BLK JKS
    in album: Mystery EP
      type: MusicAlbum
      date published: 2009-03-10
    isrc code: US38W0919601
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T18:21:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8c3d8b5d1e4c0cea403707eefcaba3a073c9aa0d12c7862e32d79f58ff93f816
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958194
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958194
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38W0919601
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T20:32:27Z
    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
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c3d8b5d1e4c0cea403707eefcaba3a073c9aa0d12c7862e32d79f58ff93f816. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/US38W0919601.
      date published: 2026-07-15T20:32:27Z
    audio: Lakeside
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.063
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.396
      additional property: Energy
        type: PropertyValue
        value: 0.927
      additional property: Speechiness
        type: PropertyValue
        value: 0.09
      additional property: Acousticness
        type: PropertyValue
        value: 0.098
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.13
      additional property: Liveness
        type: PropertyValue
        value: 0.388
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.346
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.422
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Mystery
  type: MusicAlbum
  date published: 2009-03-10
album: Mystery EP
  type: MusicAlbum
  date published: 2009-03-10
album: Mystery (Osborne Remix)
  type: MusicAlbum
  date published: 2009-07-07
album: After Robots
  type: MusicAlbum
  date published: 2009-09-08
album: After Robots
  type: MusicAlbum
  date published: 2009-09-08
album: After Robots
  type: MusicAlbum
  date published: 2009-09-08
album: After Robots
  type: MusicAlbum
  date published: 2009-09-21
album: After Robots
  type: MusicAlbum
  date published: 2009-09-21
album: After Robots
  type: MusicAlbum
  date published: 2009-09-21
album: Zol!
  type: MusicAlbum
  date published: 2010-06-07
album: ZOL!
  type: MusicAlbum
  date published: 2010-06-07
album: Zol!
  type: MusicAlbum
  date published: 2010-06-07
album: Zol!
  type: MusicAlbum
  date published: 2010-06-07
album: ZOL!
  type: MusicAlbum
  date published: 2010-06-08
album: ZOL!
  type: MusicAlbum
  date published: 2010-06-08
album: The Boy's Doin' It
  type: MusicAlbum
  date published: 2018-06-29
album: Harare
  type: MusicAlbum
  date published: 2019-09-04
album: Running / Asibaleki
  type: MusicAlbum
  date published: 2021-03-03
album: Running / Asibaleki
  type: MusicAlbum
  date published: 2021-03-03
album: Running - Asibaleki / Sheroes Theme
  type: MusicAlbum
  date published: 2021-03-03
album: Human Hearts
  type: MusicAlbum
  date published: 2021-04-14
album: Human Hearts
  type: MusicAlbum
  date published: 2021-04-14
album: Human Hearts
  type: MusicAlbum
  date published: 2021-04-14
album: Abantu / Before Humans
  type: MusicAlbum
  date published: 2021-05-21
album: Abantu / Before Humans
  type: MusicAlbum
  date published: 2021-05-21
track: Step in Space - BLKJKSSNDSYSTM

Step in Space - BLKJKSSNDSYSTM
type: MusicRecording
duration: PT7M49S
duration ms: 469540
explicit: false
by artist: New Age Doom
by artist: Lee "Scratch" Perry
by artist: BLK JKS
in album: Remix the Universe (Extended Edition)
  type: MusicAlbum
  date published: 2023-03-24
isrc code: CA0WS2315710
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:43:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x416969ee6a9d5054c8fee9971c693cf560efff6a8cf8f98b11e4945e936fdd46
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA0WS2315710
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x416969ee6a9d5054c8fee9971c693cf560efff6a8cf8f98b11e4945e936fdd46. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CA0WS2315710.
  date published: 2026-07-08T03:53:27Z
audio: Step in Space - BLKJKSSNDSYSTM
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.906
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.684
  additional property: Energy
    type: PropertyValue
    value: 0.75
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.011
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.508
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.215
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.415
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Abantu / Before Humans
type: MusicAlbum
date published: 2021-05-21
track: Harare
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276765
  explicit: false
  by artist: BLK JKS
  in album: Abantu / Before Humans
    type: MusicAlbum
    date published: 2021-05-21
  isrc code: CA0WS2182005
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T12:25:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc3af1345f4d575b3b5d427bf6c26f82eb653d394d3446a84539422b0e9a5ac84
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959010
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959010
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA0WS2182005
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T15:28:02Z
  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
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3af1345f4d575b3b5d427bf6c26f82eb653d394d3446a84539422b0e9a5ac84. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:28:02Z), 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/CA0WS2182005.
    date published: 2026-07-21T15:28:02Z
  audio: Harare
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 91.997
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.65
    additional property: Energy
      type: PropertyValue
      value: 0.804
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.587
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.487
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.852
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Abantu / Before Humans
type: MusicAlbum
date published: 2021-05-21