Nego Iego
type: MusicGroup
genre: brazilian trap
popularity: 12
followers: 408
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ac61786bf7afd6a237917e832b6839c6d73c1bb999a6b6ae6c3c7d6d2359a08
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953778
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953778
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d153ec96-345d-4453-b7d1-63e7311c2d2d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d153ec96-345d-4453-b7d1-63e7311c2d2d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d153ec96-345d-4453-b7d1-63e7311c2d2d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:57:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9ac61786bf7afd6a237917e832b6839c6d73c1bb999a6b6ae6c3c7d6d2359a08","name":"Nego Iego","registered_at":"2026-06-15T02:32:05Z","symbol":"NIM0654333","token_address":"0xe246067402ce2b2955470eed1fed4f7843d80c07","type":"artist","uuid":"d153ec96-345d-4453-b7d1-63e7311c2d2d"}
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 0x9ac61786bf7afd6a237917e832b6839c6d73c1bb999a6b6ae6c3c7d6d2359a08. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d153ec96-345d-4453-b7d1-63e7311c2d2d.json and https://artists.proofprofile.net/proofs/artist/d153ec96-345d-4453-b7d1-63e7311c2d2d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0x9ac61786bf7afd6a237917e832b6839c6d73c1bb999a6b6ae6c3c7d6d2359a08","name":"Nego Iego","registered_at":"2026-06-15T02:32:05Z","symbol":"NIM0654333","token_address":"0xe246067402ce2b2955470eed1fed4f7843d80c07","type":"artist","uuid":"d153ec96-345d-4453-b7d1-63e7311c2d2d"}
album: Os Preto Chique
  type: MusicAlbum
  date published: 2023-05-19
  track: Os Preto Chique
    type: MusicRecording
    duration: PT3M20S
    duration ms: 200890
    explicit: false
    by artist: Mc Soffia
    by artist: Nego Iego
    by artist: Quimo W-ONE
    by artist: Menó Felps
    in album: Os Preto Chique
      type: MusicAlbum
      date published: 2023-05-19
    popularity: 11
    genre: afrofuturismo-brasileiro
    genre: pop-lgbtq-brasileira
    genre: brazilian-hip-hop
    genre: rap-feminino-nacional
    isrc code: BX8C52300001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T08:33:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcc9f45267679facc42d5ee5ca397da6a2234d9e2074a5b76505d3eceede11775
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957043
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957043
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX8C52300001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-07T13:52:39Z
    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 0xcc9f45267679facc42d5ee5ca397da6a2234d9e2074a5b76505d3eceede11775. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/BX8C52300001.
      date published: 2026-07-07T13:52:39Z
    audio: Os Preto Chique
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 103.68
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.769
      additional property: Energy
        type: PropertyValue
        value: 0.586
      additional property: Speechiness
        type: PropertyValue
        value: 0.42
      additional property: Acousticness
        type: PropertyValue
        value: 0.05
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.116
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.525
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.035
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Os Preto Chique
    type: MusicRecording
    duration: PT3M20S
    duration ms: 200890
    explicit: false
    by artist: Mc Soffia
    by artist: Nego Iego
    by artist: Quimo W-ONE
    by artist: Menó Felps
    in album: Os Preto Chique
      type: MusicAlbum
      date published: 2023-05-19
    genre: afrofuturismo-brasileiro
    genre: pop-lgbtq-brasileira
    genre: brazilian-hip-hop
    genre: rap-feminino-nacional
    isrc code: BX8C52300001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T08:33:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcc9f45267679facc42d5ee5ca397da6a2234d9e2074a5b76505d3eceede11775
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957118
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957118
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX8C52300001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:20:19Z
    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 0xcc9f45267679facc42d5ee5ca397da6a2234d9e2074a5b76505d3eceede11775. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BX8C52300001.
      date published: 2026-07-08T03:20:19Z
    audio: Os Preto Chique
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 157.437
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.795
      additional property: Energy
        type: PropertyValue
        value: 0.586
      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

Speechiness
type: PropertyValue
value: 0.341

Acousticness
type: PropertyValue
value: 0.05

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.116

Valence (Positivity)
type: PropertyValue
value: 0.532

Loudness (dB)
type: PropertyValue
value: -8.035

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major