Abbas Kubaff
type: MusicGroup
description: Andrew Kabiru Karuku (born 8 January 1978), popularly known as Abbas Kubaff, is a Kenyan hip hop artist who was raised in the Kariobangi South, Nairobi. As a member of the rap group K-South, and later
popularity: 16
followers: 42
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd0892d863126e779a55a045e72d87f470dee81691d99d1bf07cbca31b990349a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953772
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c5ac4964-8d15-4438-a8fb-cd19ed6197da.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c5ac4964-8d15-4438-a8fb-cd19ed6197da.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c5ac4964-8d15-4438-a8fb-cd19ed6197da
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T10:33:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd0892d863126e779a55a045e72d87f470dee81691d99d1bf07cbca31b990349a","name":"Abbas Kubaff","registered_at":"2026-06-15T01:18:05Z","symbol":"NIM0636647","token_address":"0x4fc90394aef477ac13ead30c73a2219f3db5ded6","type":"artist","uuid":"c5ac4964-8d15-4438-a8fb-cd19ed6197da"}
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 0xd0892d863126e779a55a045e72d87f470dee81691d99d1bf07cbca31b990349a. Chain 2 (Bitcoin): anchored in block 953772 (2026-06-15T10:33:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5ac4964-8d15-4438-a8fb-cd19ed6197da.json and https://artists.proofprofile.net/proofs/artist/c5ac4964-8d15-4438-a8fb-cd19ed6197da.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T10:33:29Z
  text: {"copyright_id":"0xd0892d863126e779a55a045e72d87f470dee81691d99d1bf07cbca31b990349a","name":"Abbas Kubaff","registered_at":"2026-06-15T01:18:05Z","symbol":"NIM0636647","token_address":"0x4fc90394aef477ac13ead30c73a2219f3db5ded6","type":"artist","uuid":"c5ac4964-8d15-4438-a8fb-cd19ed6197da"}
album: Twatoka Mbali (Hiphop)
  type: MusicAlbum
  date published: 2022-10-15
album: Tear Off Reduced (Hiphop)
  type: MusicAlbum
  date published: 2022-10-21
album: You Don't Parking
  type: MusicAlbum
  date published: 2022-10-22