Drow Mattos
type: MusicGroup
popularity: 3
followers: 229
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00885791aeb03c4a59fcaaa0de43eab40b27f9fabd8cde4ac4619b636c0a0df6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/47ca8c67-6132-4fa7-98fb-e3b490f0b2a3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/47ca8c67-6132-4fa7-98fb-e3b490f0b2a3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/47ca8c67-6132-4fa7-98fb-e3b490f0b2a3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x00885791aeb03c4a59fcaaa0de43eab40b27f9fabd8cde4ac4619b636c0a0df6","name":"Drow Mattos","registered_at":"2026-06-16T14:55:02Z","symbol":"NIM1087033","token_address":"0x44f9ae0c5e6525a35ebe62d8e0dabda4a23187b8","type":"artist","uuid":"47ca8c67-6132-4fa7-98fb-e3b490f0b2a3"}
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 0x00885791aeb03c4a59fcaaa0de43eab40b27f9fabd8cde4ac4619b636c0a0df6. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/47ca8c67-6132-4fa7-98fb-e3b490f0b2a3.json and https://artists.proofprofile.net/proofs/artist/47ca8c67-6132-4fa7-98fb-e3b490f0b2a3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x00885791aeb03c4a59fcaaa0de43eab40b27f9fabd8cde4ac4619b636c0a0df6","name":"Drow Mattos","registered_at":"2026-06-16T14:55:02Z","symbol":"NIM1087033","token_address":"0x44f9ae0c5e6525a35ebe62d8e0dabda4a23187b8","type":"artist","uuid":"47ca8c67-6132-4fa7-98fb-e3b490f0b2a3"}
album: Me Amarrei em Você
  type: MusicAlbum
  date published: 2018-07-26
album: Molotov
  type: MusicAlbum
  date published: 2018-09-03
album: Paradise
  type: MusicAlbum
  date published: 2018-11-04
album: Mini Saia
  type: MusicAlbum
  date published: 2019-01-11
album: Me Amarrei em Você
  type: MusicAlbum
  date published: 2019-07-26
album: Tati Zaqui
  type: MusicAlbum
  date published: 2019-09-20
album: Santa Bella
  type: MusicAlbum
  date published: 2019-10-04
album: Fluxo de Rua
  type: MusicAlbum
  date published: 2019-11-08
album: Dentro Delas
  type: MusicAlbum
  date published: 2020-01-21
album: Dentro Delas
  type: MusicAlbum
  date published: 2020-01-21
album: Na Bota
  type: MusicAlbum
  date published: 2020-05-22
album: Na Bota
  type: MusicAlbum
  date published: 2020-05-22
album: Dry
  type: MusicAlbum
  date published: 2020-06-05
album: Nada Não
  type: MusicAlbum
  date published: 2020-06-19
album: Bem Longe
  type: MusicAlbum
  date published: 2020-07-03
album: Ignorante
  type: MusicAlbum
  date published: 2020-07-24
album: Mary
  type: MusicAlbum
  date published: 2021-01-28
album: Deus Abençoou
  type: MusicAlbum
  date published: 2021-09-20
album: Sua Pele
  type: MusicAlbum
  date published: 2022-01-18
album: Carro Bicho
  type: MusicAlbum
  date published: 2023-06-30
album: Metal
  type: MusicAlbum
  date published: 2023-09-29
album: Dois Caras de Preto
  type: MusicAlbum
  date published: 2024-01-26
album: O Tempo (Under Sesh #7)
  type: MusicAlbum
  date published: 2025-08-05
  track: O Tempo (Under Sesh #7)
    type: MusicRecording
    duration: PT1M50S
    duration ms: 110331
    explicit: true
    by artist: Drow Mattos
    in album: O Tempo (Under Sesh #7)
      type: MusicAlbum
      date published: 2025-08-05
    isrc code: BKZB82500015
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T08:09:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x734a29e744c078e34cd8c451539173e6ad63262f2d1ba362c36010a0ed6823e1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958383
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958383
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BKZB82500015
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T08:20:01Z
    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 0x734a29e744c078e34cd8c451539173e6ad63262f2d1ba362c36010a0ed6823e1. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/BKZB82500015.
      date published: 2026-07-17T08:20:01Z
    audio: O Tempo (Under Sesh #7)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.058
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.691
      additional property: Energy
        type: PropertyValue
        value: 0.724
      additional property: Speechiness
        type: PropertyValue
        value: 0.28
      additional property: Acousticness
        type: PropertyValue
        value: 0.318
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.137
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.772
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.904
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor