Ruff Kid
type: MusicGroup
description: Masautso Nkhoma (born March 17, 1986) known professionally as Ruff Kid is a Zambian rapper and songwriter. He debuted in 2004 with his single Wekatemwikwa. Because of the rough childhood he went throu
popularity: 4
followers: 392
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x014838e9aa56b4a99e2472b760e138b246351bcb0a3455028a6efdf8f9efb775
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0f1415b7-ef55-4840-bb9a-2debc424fed1.json
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T05:46:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x014838e9aa56b4a99e2472b760e138b246351bcb0a3455028a6efdf8f9efb775. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0f1415b7-ef55-4840-bb9a-2debc424fed1.json and https://artists.proofprofile.net/proofs/artist/0f1415b7-ef55-4840-bb9a-2debc424fed1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x014838e9aa56b4a99e2472b760e138b246351bcb0a3455028a6efdf8f9efb775","name":"Ruff Kid","registered_at":"2026-06-15T18:46:28Z","symbol":"NIM0798577","token_address":"0xe6fea9f3e65f5dbf2f2a1b149a8111b616a6fc33","type":"artist","uuid":"0f1415b7-ef55-4840-bb9a-2debc424fed1"}
album: Keep on Trying
  type: MusicAlbum
  date published: 2022-09-19
  track: Keep on Trying
album: Tabawina
  type: MusicAlbum
  date published: 2023-08-03
album: Still Down
  type: MusicAlbum
  date published: 2023-09-11
album: Let them know
  type: MusicAlbum
  date published: 2023-10-17
album: Imali
  type: MusicAlbum
  date published: 2025-02-07
album: Ingoma (feat. Vuyo Mbita)
  type: MusicAlbum
  date published: 2025-07-30

Keep on Trying
type: MusicRecording
duration: PT3M28S
duration ms: 208320
explicit: true
by artist: Ruff Kid
in album: Keep on Trying
  type: MusicAlbum
  date published: 2022-09-19
isrc code: QZTVM2222775
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2222775
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+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
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+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 0xcfe4bf8dfdf8409056504b1b5ea262699cbd1cb5573acb026d3bb90e8d1663b0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZTVM2222775.
  date published: 2026-07-02T03:55:08Z
audio: Keep on Trying
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.521
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.201
  additional property: Acousticness
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    value: 0.356
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.643
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.478
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor