Cheb Nassim
type: MusicGroup
genre: raï
popularity: 4
followers: 4002
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0535f460168f9c131569a0719def4bda7d0c08fefb81d59a2de37ebce863868
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/88ac6768-12b1-453d-9e58-db28e34ce8e8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/88ac6768-12b1-453d-9e58-db28e34ce8e8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/88ac6768-12b1-453d-9e58-db28e34ce8e8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc0535f460168f9c131569a0719def4bda7d0c08fefb81d59a2de37ebce863868","name":"Cheb Nassim","registered_at":"2026-06-17T13:20:06Z","symbol":"NIM1407820","token_address":"0x43deb93275d8a485e626872dd747b579f5375079","type":"artist","uuid":"88ac6768-12b1-453d-9e58-db28e34ce8e8"}
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 0xc0535f460168f9c131569a0719def4bda7d0c08fefb81d59a2de37ebce863868. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/88ac6768-12b1-453d-9e58-db28e34ce8e8.json and https://artists.proofprofile.net/proofs/artist/88ac6768-12b1-453d-9e58-db28e34ce8e8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xc0535f460168f9c131569a0719def4bda7d0c08fefb81d59a2de37ebce863868","name":"Cheb Nassim","registered_at":"2026-06-17T13:20:06Z","symbol":"NIM1407820","token_address":"0x43deb93275d8a485e626872dd747b579f5375079","type":"artist","uuid":"88ac6768-12b1-453d-9e58-db28e34ce8e8"}
album: Gali Matelbsech L'arène (Tbani Mafih)
  type: MusicAlbum
  date published: 2022-02-17
  track: Gali Matelbsech L'arène - Tbani Mafih
    type: MusicRecording
    duration: PT5M34S
    duration ms: 334019
    explicit: false
    by artist: Cheb Nassim
    in album: Gali Matelbsech L'arène (Tbani Mafih)
      type: MusicAlbum
      date published: 2022-02-17
    genre: raï
    isrc code: FR2X42232523
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T07:20:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x557f674065f9c1c0c8271291f976c3f3fa4721f83e3bfabbabb16e80d42d22b1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42232523
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T14:03:39Z
    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 0x557f674065f9c1c0c8271291f976c3f3fa4721f83e3bfabbabb16e80d42d22b1. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/FR2X42232523.
      date published: 2026-07-04T14:03:39Z
    audio: Gali Matelbsech L'arène - Tbani Mafih
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.991
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.635
      additional property: Energy
        type: PropertyValue
        value: 0.926
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0.325
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.341
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.837
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.392
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Sayesni w y9alechni
  type: MusicAlbum
  date published: 2022-03-12
  track: Sayesni w y9alechni
    type: MusicRecording
    duration: PT6M33S
    duration ms: 393229
    explicit: false
    by artist: Cheb Nassim
    in album: Sayesni w y9alechni
      type: MusicAlbum
      date published: 2022-03-12
    genre: raï
    isrc code: FR2X42279354
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T18:54:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x82d6a66dac60658271467462eeaa7f49e4f822a53474acfcc5a5e30752bf1f0a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42279354
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x82d6a66dac60658271467462eeaa7f49e4f822a53474acfcc5a5e30752bf1f0a. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/FR2X42279354.
      date published: 2026-07-05T19:27:56Z
    audio: Sayesni w y9alechni
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.982
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.654
      additional property: Energy
        type: PropertyValue
        value: 0.966
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.294
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.325
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Valence (Positivity)
type: PropertyValue
value: 0.891

Loudness (dB)
type: PropertyValue
value: -0.404

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major