Ptka Mc
type: MusicGroup
genre: funk carioca
popularity: 7
followers: 390
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5eae5f9418dee01ae27d6ad3c59c0cfe0059a4a96ca2fae1e08a1c8c45c63c72
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953885
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953885
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0c456444-19c8-40d0-8e12-f42aacf340c6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0c456444-19c8-40d0-8e12-f42aacf340c6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0c456444-19c8-40d0-8e12-f42aacf340c6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T04:12:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5eae5f9418dee01ae27d6ad3c59c0cfe0059a4a96ca2fae1e08a1c8c45c63c72","name":"Ptka Mc","registered_at":"2026-06-15T17:49:25Z","symbol":"NIM0784968","token_address":"0x7aac509d32adaff0eff2f432b74102ebf0fbdc31","type":"artist","uuid":"0c456444-19c8-40d0-8e12-f42aacf340c6"}
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 0x5eae5f9418dee01ae27d6ad3c59c0cfe0059a4a96ca2fae1e08a1c8c45c63c72. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0c456444-19c8-40d0-8e12-f42aacf340c6.json and https://artists.proofprofile.net/proofs/artist/0c456444-19c8-40d0-8e12-f42aacf340c6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x5eae5f9418dee01ae27d6ad3c59c0cfe0059a4a96ca2fae1e08a1c8c45c63c72","name":"Ptka Mc","registered_at":"2026-06-15T17:49:25Z","symbol":"NIM0784968","token_address":"0x7aac509d32adaff0eff2f432b74102ebf0fbdc31","type":"artist","uuid":"0c456444-19c8-40d0-8e12-f42aacf340c6"}
album: O Melhor Tbt
  type: MusicAlbum
  date published: 2020-08-20
album: Meu Destino
  type: MusicAlbum
  date published: 2021-01-14
album: Bandido do Tiktok
  type: MusicAlbum
  date published: 2021-11-18
album: Dia Bom
  type: MusicAlbum
  date published: 2021-11-23
album: Sua Colega
  type: MusicAlbum
  date published: 2022-07-08
album: Quebrando pro Lado
  type: MusicAlbum
  date published: 2022-08-12
album: Mina Maluca
  type: MusicAlbum
  date published: 2023-12-06
album: Bbb
  type: MusicAlbum
  date published: 2024-01-25
album: Coelhinha e Diabinha Safada
  type: MusicAlbum
  date published: 2024-02-12
album: Fica De 4
  type: MusicAlbum
  date published: 2024-03-22
album: Segue o Baile 1 - Avista
  type: MusicAlbum
  date published: 2024-06-15
album: Bem Me Quer
  type: MusicAlbum
  date published: 2024-06-28
album: Veio em Busca do Problema
  type: MusicAlbum
  date published: 2024-07-18
album: Duas Taças de Gin
  type: MusicAlbum
  date published: 2024-07-22
album: Bandido Te Taca Forte
  type: MusicAlbum
  date published: 2024-07-23
album: Gosta de Putaria
  type: MusicAlbum
  date published: 2024-07-24
album: Depois do Baile
  type: MusicAlbum
  date published: 2024-11-06
album: Primeira do Ano e Eu Já Tô Fudendo
  type: MusicAlbum
  date published: 2024-12-18
album: Fim de Ano X Barulho de Fogos e Eu Te Comendo
  type: MusicAlbum
  date published: 2024-12-20
album: Mantem (Bônus Track)
  type: MusicAlbum
  date published: 2025-02-26
album: Casa Pequena
  type: MusicAlbum
  date published: 2025-02-28
album: Atrás da Equipe
  type: MusicAlbum
  date published: 2025-08-26
  track: Atrás da Equipe
    type: MusicRecording
    duration: PT2M6S
    duration ms: 126169
    explicit: false
    by artist: Ptka Mc
    in album: Atrás da Equipe
      type: MusicAlbum
      date published: 2025-08-26
    genre: funk carioca
    isrc code: USANG2514989
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T03:21:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9b3f386d7affbc796d87968daa2be3f71128fdd08be58e6fb6743e33ed2333e6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USANG2514989
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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 0x9b3f386d7affbc796d87968daa2be3f71128fdd08be58e6fb6743e33ed2333e6. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USANG2514989.
      date published: 2026-07-04T11:19:20Z
    audio: Atrás da Equipe
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 180.299
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.601
      additional property: Energy
        type: PropertyValue
        value: 0.379
      additional property: Speechiness
        type: PropertyValue
        value: 0.446
      additional property: Acousticness
        type: PropertyValue
        value: 0.014
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.162
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.576
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.338
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: METANOL (Live)
  type: MusicAlbum
  date published: 2025-11-12