Mariama Kankalabé
type: MusicGroup
popularity: 14
followers: 4798
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc9cdaaee54e60abc9dd7e36505464c1f56f9a95e8770b21f0eafccb1e76e90a0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953777
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953777
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cafff95f-6e72-41ce-8619-793335d16a69.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cafff95f-6e72-41ce-8619-793335d16a69.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cafff95f-6e72-41ce-8619-793335d16a69
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:52:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc9cdaaee54e60abc9dd7e36505464c1f56f9a95e8770b21f0eafccb1e76e90a0","name":"Mariama Kankalabé","registered_at":"2026-06-15T01:46:02Z","symbol":"NIM0643338","token_address":"0x97f84b8229c3869f214cde018d6f915d6d9e72d0","type":"artist","uuid":"cafff95f-6e72-41ce-8619-793335d16a69"}
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 0xc9cdaaee54e60abc9dd7e36505464c1f56f9a95e8770b21f0eafccb1e76e90a0. Chain 2 (Bitcoin): anchored in block 953777 (2026-06-15T11:52:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cafff95f-6e72-41ce-8619-793335d16a69.json and https://artists.proofprofile.net/proofs/artist/cafff95f-6e72-41ce-8619-793335d16a69.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T11:52:51Z
  text: {"copyright_id":"0xc9cdaaee54e60abc9dd7e36505464c1f56f9a95e8770b21f0eafccb1e76e90a0","name":"Mariama Kankalabé","registered_at":"2026-06-15T01:46:02Z","symbol":"NIM0643338","token_address":"0x97f84b8229c3869f214cde018d6f915d6d9e72d0","type":"artist","uuid":"cafff95f-6e72-41ce-8619-793335d16a69"}
album: Mourtinan
  type: MusicAlbum
  date published: 2021-11-06
  track: Mourtinan
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209815
    explicit: false
    by artist: Mariama Kankalabé
    in album: Mourtinan
      type: MusicAlbum
      date published: 2021-11-06
    isrc code: TCAFW2183315
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T16:28:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7733292814caf656decb63a559bfbf5051987df7d8d93e4ce73a3159137b5db3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958761
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958761
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFW2183315
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T17:49:48Z
    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 0x7733292814caf656decb63a559bfbf5051987df7d8d93e4ce73a3159137b5db3. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFW2183315 — a six-check JSON result.
      date published: 2026-07-19T17:49:48Z
    audio: Mourtinan
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 172.536
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.724
      additional property: Energy
        type: PropertyValue
        value: 0.787
      additional property: Speechiness
        type: PropertyValue
        value: 0.053
      additional property: Acousticness
        type: PropertyValue
        value: 0.536
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.005
      additional property: Liveness
        type: PropertyValue
        value: 0.075
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.944
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.542
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: No Welli Ka Wella
  type: MusicAlbum
  date published: 2022-05-29
album: Valeur
  type: MusicAlbum
  date published: 2023-01-31
album: Lekki
  type: MusicAlbum
  date published: 2024-02-23
album: Gnari Gnari
  type: MusicAlbum
  date published: 2024-07-11