Lucas Ka'ab
type: MusicGroup
popularity: 2
followers: 191
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ff18f5442dce9b74841cbe6c16fbe748b5d0ff38bc63104a05eb064fa3361b3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9b73a37-8830-4502-b6ce-34900cc7ca74.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9b73a37-8830-4502-b6ce-34900cc7ca74.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f9b73a37-8830-4502-b6ce-34900cc7ca74
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3ff18f5442dce9b74841cbe6c16fbe748b5d0ff38bc63104a05eb064fa3361b3","name":"Lucas Ka'ab","registered_at":"2026-06-21T16:54:43Z","symbol":"NIM1980442","token_address":"0x9f24197e5a576ab569a4a4ac4b0a92fcad0bfcfd","type":"artist","uuid":"f9b73a37-8830-4502-b6ce-34900cc7ca74"}
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 0x3ff18f5442dce9b74841cbe6c16fbe748b5d0ff38bc63104a05eb064fa3361b3. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f9b73a37-8830-4502-b6ce-34900cc7ca74.json and https://artists.proofprofile.net/proofs/artist/f9b73a37-8830-4502-b6ce-34900cc7ca74.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x3ff18f5442dce9b74841cbe6c16fbe748b5d0ff38bc63104a05eb064fa3361b3","name":"Lucas Ka'ab","registered_at":"2026-06-21T16:54:43Z","symbol":"NIM1980442","token_address":"0x9f24197e5a576ab569a4a4ac4b0a92fcad0bfcfd","type":"artist","uuid":"f9b73a37-8830-4502-b6ce-34900cc7ca74"}
album: Chuva de Verão
  type: MusicAlbum
  date published: 2019-02-24
album: Tudo Que Eu Amei, Amei Sozinho
  type: MusicAlbum
  date published: 2019-05-05
album: John Wick Freestyle
  type: MusicAlbum
  date published: 2019-05-19
album: Me Diz
  type: MusicAlbum
  date published: 2019-06-16
album: Meu Mais Sincero Dane-Se
  type: MusicAlbum
  date published: 2019-06-23
album: Desalento
  type: MusicAlbum
  date published: 2019-06-30
album: Aquilo Que Restou
  type: MusicAlbum
  date published: 2019-07-07
album: Ainda Penso no Céu
  type: MusicAlbum
  date published: 2019-10-20
album: Tô Bem
  type: MusicAlbum
  date published: 2019-11-10
album: Freya Ridings
  type: MusicAlbum
  date published: 2019-11-20
album: Nada
  type: MusicAlbum
  date published: 2019-12-22
album: Anti-Heroi
  type: MusicAlbum
  date published: 2020-01-19
album: Do Raso do Meu Coração
  type: MusicAlbum
  date published: 2020-04-26
album: Se Eu Não For pro Céu, Te Vejo no Inferno
  type: MusicAlbum
  date published: 2020-05-31
album: Sincericídio Freestyle
  type: MusicAlbum
  date published: 2020-06-28
album: Desabar
  type: MusicAlbum
  date published: 2020-08-30
album: Slasher
  type: MusicAlbum
  date published: 2020-11-13
album: Respire
  type: MusicAlbum
  date published: 2020-12-27
album: Respire Lo-Fi (Remix)
  type: MusicAlbum
  date published: 2021-06-24
album: Slasher, Pt. 2
  type: MusicAlbum
  date published: 2021-08-13
album: Pesadelo Antes do Natal
  type: MusicAlbum
  date published: 2021-12-17
album: Guarda-Chuva Amarelo
  type: MusicAlbum
  date published: 2022-01-31
album: Acima das Montanhas
  type: MusicAlbum
  date published: 2022-02-24
album: Correndo Com Lobos
  type: MusicAlbum
  date published: 2022-03-31
album: Encontrei
  type: MusicAlbum
  date published: 2022-05-06
album: Fenrir
  type: MusicAlbum
  date published: 2022-05-27
album: (Des)Culpa
  type: MusicAlbum
  date published: 2022-07-14
album: (In)Completo
  type: MusicAlbum
  date published: 2022-08-12
album: (Des)Crente
  type: MusicAlbum
  date published: 2022-09-11
album: (In)Justiça
  type: MusicAlbum
  date published: 2022-10-10
album: (In)Evitavel
  type: MusicAlbum
  date published: 2022-11-09
album: Pesadelo Antes do Natal 2
  type: MusicAlbum
  date published: 2022-12-20
album: Slasher Pt. 3
  type: MusicAlbum
  date published: 2023-10-13
album: Sou Só mais um
  type: MusicAlbum
  date published: 2024-02-23
album: Péssima Companhia
  type: MusicAlbum
  date published: 2024-08-09
album: Slasher Pt.4 : O Capítulo Final
  type: MusicAlbum
  date published: 2024-09-11
album: Onde Estou
  type: MusicAlbum
  date published: 2025-01-21
album: Copo Meio Cheio
  type: MusicAlbum
  date published: 2025-03-23
album: Não Espere Nada de Mim
  type: MusicAlbum
  date published: 2025-04-22
album: Tudo de Novo
  type: MusicAlbum
  date published: 2025-05-21
  track: Tudo de Novo
    type: MusicRecording
    duration: PT2M26S
    duration ms: 146179
    explicit: false
    by artist: Lucas Ka'ab
    in album: Tudo de Novo
      type: MusicAlbum
      date published: 2025-05-21
    isrc code: CAGOO2548903
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T08:16:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd67e2a2bcb5e1f86bb46eba075208769f713b74519e84a927e1401833f4ad6b3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958523
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958523
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAGOO2548903
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T08:54:12Z
    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 0xd67e2a2bcb5e1f86bb46eba075208769f713b74519e84a927e1401833f4ad6b3. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/CAGOO2548903.
      date published: 2026-07-18T08:54:12Z
    audio: Tudo de Novo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.093
      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
album: Mentira
album: As Vezes

Musical Key
type: PropertyValue
value: 9

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

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.842

Energy
type: PropertyValue
value: 0.365

Speechiness
type: PropertyValue
value: 0.541

Acousticness
type: PropertyValue
value: 0.843

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.084

Valence (Positivity)
type: PropertyValue
value: 0.568

Loudness (dB)
type: PropertyValue
value: -13.881

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Mentira
type: MusicAlbum
date published: 2025-06-15

As Vezes
type: MusicAlbum
date published: 2025-07-29