D8
type: MusicGroup
genre: portuguese hip hop
popularity: 14
followers: 5308
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd2ca074879ca7e4458c245cfe1a422a479217a14fd01bbf6d3221bf5bc3eb34
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953713
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953713
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/837cc173-714b-49a8-8719-488f6f70026d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/837cc173-714b-49a8-8719-488f6f70026d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/837cc173-714b-49a8-8719-488f6f70026d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T00:33:41Z
additional property: OTSCanonicalRecord
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 0xfd2ca074879ca7e4458c245cfe1a422a479217a14fd01bbf6d3221bf5bc3eb34. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/837cc173-714b-49a8-8719-488f6f70026d.json and https://artists.proofprofile.net/proofs/artist/837cc173-714b-49a8-8719-488f6f70026d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
album: Definição
  type: MusicAlbum
  date published: 2014-07-24
album: O Que Tu Quiseres
  type: MusicAlbum
  date published: 2014-09-01
album: Prefácio
  type: MusicAlbum
  date published: 2014-10-06
album: Sorri
  type: MusicAlbum
  date published: 2015-08-08
album: Só Mais Um Dia
  type: MusicAlbum
  date published: 2016-05-17
  track: Só Mais Um Dia
    type: MusicRecording
    duration: PT3M6S
    duration ms: 186057
    explicit: false
    by artist: D8
    in album: Só Mais Um Dia
      type: MusicAlbum
      date published: 2016-05-17
    genre: portuguese hip hop
    isrc code: PTBM11600158
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T08:12:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7382887effbb3d6bcea9a6fbc72eb6ff3700860efd86b386856cc5fbf2ca999f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956790
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956790
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTBM11600158
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T12:31:54Z
    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 0x7382887effbb3d6bcea9a6fbc72eb6ff3700860efd86b386856cc5fbf2ca999f. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/PTBM11600158.
      date published: 2026-07-05T12:31:54Z
    audio: Só Mais Um Dia
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 117.022
      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: 0.789
      additional property: Energy
        type: PropertyValue
        value: 0.684
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      additional property: Acousticness
        type: PropertyValue
        value: 0.233
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.336
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.9
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.847
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Quero Mais
  type: MusicAlbum
  date published: 2017-04-07
album: Rubber Bandz
  type: MusicAlbum
  date published: 2019-07-05
album: Hoods Hottest
  type: MusicAlbum
  date published: 2019-09-20
album: Hoods Hottest
  type: MusicAlbum
  date published: 2019-09-20
album: Sliding
  type: MusicAlbum
  date published: 2020-01-17
album: They Got Me
  type: MusicAlbum
  date published: 2020-02-04
album: Bandz
  type: MusicAlbum
  date published: 2020-04-14
album: Verbalist
  type: MusicAlbum
  date published: 2020-07-11
album: Next Up - S3-E40
  type: MusicAlbum
  date published: 2021-09-30
album: Dirty Gum
  type: MusicAlbum
  date published: 2021-11-19