Abu Baker
type: MusicGroup
genre: arabic rap
genre: egyptian hip hop
popularity: 3
followers: 579
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xffb76802227e8ae7a3d58fae67f7f89a46bfe7b93529c9be3a06116de9e4ce46
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a47176b6-2a69-4140-80b1-fc770625845f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a47176b6-2a69-4140-80b1-fc770625845f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a47176b6-2a69-4140-80b1-fc770625845f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xffb76802227e8ae7a3d58fae67f7f89a46bfe7b93529c9be3a06116de9e4ce46","name":"Abu Baker","registered_at":"2026-06-20T07:02:11Z","symbol":"NIM1547294","token_address":"0x95912f0dea7dcc24d194b9976c44c0f5bb6bbda3","type":"artist","uuid":"a47176b6-2a69-4140-80b1-fc770625845f"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffb76802227e8ae7a3d58fae67f7f89a46bfe7b93529c9be3a06116de9e4ce46. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a47176b6-2a69-4140-80b1-fc770625845f.json and https://artists.proofprofile.net/proofs/artist/a47176b6-2a69-4140-80b1-fc770625845f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0xffb76802227e8ae7a3d58fae67f7f89a46bfe7b93529c9be3a06116de9e4ce46","name":"Abu Baker","registered_at":"2026-06-20T07:02:11Z","symbol":"NIM1547294","token_address":"0x95912f0dea7dcc24d194b9976c44c0f5bb6bbda3","type":"artist","uuid":"a47176b6-2a69-4140-80b1-fc770625845f"}
album: Qalandia
  type: MusicAlbum
  date published: 2018-10-10
  track: Qalandia
    type: MusicRecording
    duration: PT3M38S
    duration ms: 218961
    explicit: true
    by artist: Abu Baker
    in album: Qalandia
      type: MusicAlbum
      date published: 2018-10-10
    genre: arabic rap
    genre: egyptian hip hop
    isrc code: QZES91823234
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T05:19:21+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa7741de2fa6bbf7b751fc613b44047fecc1af502841fc7fadbbcf271bd905310
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958670
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958670
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES91823234
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T05:26:23Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7741de2fa6bbf7b751fc613b44047fecc1af502841fc7fadbbcf271bd905310. Chain 2 (Bitcoin): anchored in block 958670 (2026-07-19T05:26:23Z), 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/QZES91823234.
      date published: 2026-07-19T05:26:23Z
    audio: Qalandia
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 76.911
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.727
      additional property: Energy
        type: PropertyValue
        value: 0.419
      additional property: Speechiness
        type: PropertyValue
        value: 0.31
      additional property: Acousticness
        type: PropertyValue
        value: 0.33
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.115
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.836
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.801
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
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  type: MusicAlbum
  date published: 2019-11-27
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  type: MusicAlbum
  date published: 2020-03-13
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  type: MusicAlbum
  date published: 2020-05-14
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  type: MusicAlbum
  date published: 2020-06-08
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  type: MusicAlbum
  date published: 2020-06-21
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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