Cheb Sofiane
type: MusicGroup
genre: raï
popularity: 2
followers: 464
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5175e7a9cb207981a8b363ec0a3e55a9405767567a50c668bc19afd8be8174fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954008
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954008
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/335aa1b4-7706-4827-92dc-345e80d76ef1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/335aa1b4-7706-4827-92dc-345e80d76ef1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/335aa1b4-7706-4827-92dc-345e80d76ef1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T21:31:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5175e7a9cb207981a8b363ec0a3e55a9405767567a50c668bc19afd8be8174fb","name":"Cheb Sofiane","registered_at":"2026-06-16T07:23:49Z","symbol":"NIM0979374","token_address":"0xab2ac8e7a38f40c32f3dd6bfbe43f71c8a3aaa1f","type":"artist","uuid":"335aa1b4-7706-4827-92dc-345e80d76ef1"}
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 0x5175e7a9cb207981a8b363ec0a3e55a9405767567a50c668bc19afd8be8174fb. Chain 2 (Bitcoin): anchored in block 954008 (2026-06-16T21:31:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/335aa1b4-7706-4827-92dc-345e80d76ef1.json and https://artists.proofprofile.net/proofs/artist/335aa1b4-7706-4827-92dc-345e80d76ef1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T21:31:27Z
  text: {"copyright_id":"0x5175e7a9cb207981a8b363ec0a3e55a9405767567a50c668bc19afd8be8174fb","name":"Cheb Sofiane","registered_at":"2026-06-16T07:23:49Z","symbol":"NIM0979374","token_address":"0xab2ac8e7a38f40c32f3dd6bfbe43f71c8a3aaa1f","type":"artist","uuid":"335aa1b4-7706-4827-92dc-345e80d76ef1"}
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album: لقلب عيا لقلب عيا
  type: MusicAlbum
  date published: 2025-04-23
  track: لقلب عيا لقلب عيا
    type: MusicRecording
    duration: PT8M6S
    duration ms: 486960
    explicit: false
    by artist: Cheb Sofiane
    in album: لقلب عيا لقلب عيا
      type: MusicAlbum
      date published: 2025-04-23
    genre: raï
    isrc code: FRX202551527
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T09:00:22+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfc60538e453bf1d31d6425b97d5135c768510618d4349b9dac0c305ae2e7e28b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX202551527
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0xfc60538e453bf1d31d6425b97d5135c768510618d4349b9dac0c305ae2e7e28b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FRX202551527.
      date published: 2026-07-04T10:04:33Z
    audio: لقلب عيا لقلب عيا
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.986
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Musical Key
type: PropertyValue
value: 2

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.707

Energy
type: PropertyValue
value: 0.941

Speechiness
type: PropertyValue
value: 0.061

Acousticness
type: PropertyValue
value: 0.654

Instrumentalness
type: PropertyValue
value: 0.002

Liveness
type: PropertyValue
value: 0.295

Valence (Positivity)
type: PropertyValue
value: 0.754

Loudness (dB)
type: PropertyValue
value: -4.673

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor