Mattthex
type: MusicGroup
popularity: 3
followers: 366
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4738f1fa0bfbed74dd280a5b08991e78443639d4533d4cfbbe508d8fb1eeec39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a4b97896-e181-45f7-a28a-9cbf843d2d0c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a4b97896-e181-45f7-a28a-9cbf843d2d0c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a4b97896-e181-45f7-a28a-9cbf843d2d0c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
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 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 0x4738f1fa0bfbed74dd280a5b08991e78443639d4533d4cfbbe508d8fb1eeec39. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a4b97896-e181-45f7-a28a-9cbf843d2d0c.json and https://artists.proofprofile.net/proofs/artist/a4b97896-e181-45f7-a28a-9cbf843d2d0c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
album: Licantropia
  type: MusicAlbum
  date published: 2023-08-01
album: Come o couro
  type: MusicAlbum
  date published: 2023-08-30
album: Corre de calçada
  type: MusicAlbum
  date published: 2023-09-29
album: Asfalto san...
  type: MusicAlbum
  date published: 2023-10-28
album: Cavalo de Tróia
  type: MusicAlbum
  date published: 2023-11-27
album: Obsessão
  type: MusicAlbum
  date published: 2023-12-26
album: Dezembro nublado
  type: MusicAlbum
  date published: 2024-01-25
album: Oozaru
  type: MusicAlbum
  date published: 2024-03-25
album: Mares e Bares
  type: MusicAlbum
  date published: 2024-04-23
album: Fábrica de criatividade
  type: MusicAlbum
  date published: 2024-05-23
album: Leões
  type: MusicAlbum
  date published: 2024-06-21
album: Sujeirinha
  type: MusicAlbum
  date published: 2024-07-21
album: Licantropia Pt. 2
  type: MusicAlbum
  date published: 2024-08-19
album: Colecionáveis
  type: MusicAlbum
  date published: 2024-09-17
album: Todo vagabundo
  type: MusicAlbum
  date published: 2024-10-17
album: Dementadores
  type: MusicAlbum
  date published: 2024-11-15
album: Papai Noel sem presente
  type: MusicAlbum
  date published: 2024-12-15
album: Entrada
  type: MusicAlbum
  date published: 2025-01-13
  track: Baladeira
    type: MusicRecording
    duration: PT2M33S
    duration ms: 153251
    explicit: false
    by artist: Mattthex
    in album: Entrada
      type: MusicAlbum
      date published: 2025-01-13
    isrc code: QZFZ22592525
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T14:48:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2a5263cf6348163ddcd2f1b40349225e4f657da81c4e9e5acc7a43edbbfea46b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959144
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959144
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22592525
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T15:38:35Z
    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 0x2a5263cf6348163ddcd2f1b40349225e4f657da81c4e9e5acc7a43edbbfea46b. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/QZFZ22592525.
      date published: 2026-07-22T15:38:35Z
    audio: Baladeira
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.862
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.358
      additional property: Energy
        type: PropertyValue
        value: 0.493
      additional property: Speechiness
        type: PropertyValue
        value: 0.057
      additional property: Acousticness
        type: PropertyValue
        value: 0.808
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.12
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.286
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.818
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Diss pra mim
  type: MusicAlbum
  date published: 2025-01-30
album: Saída
  type: MusicAlbum
  date published: 2025-02-12
album: Afrontamento Mental
  type: MusicAlbum
  date published: 2025-03-14
album: Rosas Sangram
  type: MusicAlbum
  date published: 2025-04-12
album: Meu Nome
  type: MusicAlbum
  date published: 2025-06-11
album: Aquele Climinha
  type: MusicAlbum
  date published: 2025-07-10