MV PTK
type: MusicGroup
popularity: 5
followers: 609
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x204cfcf76de269f1c8940b642a7c5fbc3bab641128c8cf29b7bae15b58ed1c28
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6fd7439c-1ac0-4e96-ab90-160e2721d0fa.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6fd7439c-1ac0-4e96-ab90-160e2721d0fa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6fd7439c-1ac0-4e96-ab90-160e2721d0fa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x204cfcf76de269f1c8940b642a7c5fbc3bab641128c8cf29b7bae15b58ed1c28","name":"MV PTK","registered_at":"2026-06-17T04:37:31Z","symbol":"NIM1283297","token_address":"0x384ec154ef4766aca32c6a2f9f77d658ae64cc32","type":"artist","uuid":"6fd7439c-1ac0-4e96-ab90-160e2721d0fa"}
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 0x204cfcf76de269f1c8940b642a7c5fbc3bab641128c8cf29b7bae15b58ed1c28. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6fd7439c-1ac0-4e96-ab90-160e2721d0fa.json and https://artists.proofprofile.net/proofs/artist/6fd7439c-1ac0-4e96-ab90-160e2721d0fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x204cfcf76de269f1c8940b642a7c5fbc3bab641128c8cf29b7bae15b58ed1c28","name":"MV PTK","registered_at":"2026-06-17T04:37:31Z","symbol":"NIM1283297","token_address":"0x384ec154ef4766aca32c6a2f9f77d658ae64cc32","type":"artist","uuid":"6fd7439c-1ac0-4e96-ab90-160e2721d0fa"}
album: FIRE
  type: MusicAlbum
  date published: 2021-09-01
album: Armageddon
  type: MusicAlbum
  date published: 2021-10-08
album: Densa Floresta
  type: MusicAlbum
  date published: 2022-01-14
  track: Densa Floresta
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197142
    explicit: false
    by artist: MV PTK
    in album: Densa Floresta
      type: MusicAlbum
      date published: 2022-01-14
    isrc code: BCPK62100004
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T05:23:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4f94f60ff423e660a375be627a8f4d13cd46af08e3600e7f19afbab7378b1986
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958377
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958377
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCPK62100004
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T08:28:55Z
    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 0x4f94f60ff423e660a375be627a8f4d13cd46af08e3600e7f19afbab7378b1986. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T08:28:55Z), 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/BCPK62100004.
      date published: 2026-07-17T08:28:55Z
    audio: Densa Floresta
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 168.019
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.597
      additional property: Energy
        type: PropertyValue
        value: 0.562
      additional property: Speechiness
        type: PropertyValue
        value: 0.199
      additional property: Acousticness
        type: PropertyValue
        value: 0.758
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.099
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.216
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.922
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: No Mercy
  type: MusicAlbum
  date published: 2022-09-22
album: Elevador
  type: MusicAlbum
  date published: 2023-03-24
album: Nem tudo são flores
  type: MusicAlbum
  date published: 2023-11-10
  track: Nem tudo são flores
    type: MusicRecording
    duration: PT2M50S
    duration ms: 170666
    explicit: false
    by artist: MV PTK
    in album: Nem tudo são flores
      type: MusicAlbum
      date published: 2023-11-10
    isrc code: BCPK62334356
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T02:15:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x39292d3ae05ddbe67c28aed3c194acf763af2274752bd1abef0fdfd505799496
    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/BCPK62334356
    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 0x39292d3ae05ddbe67c28aed3c194acf763af2274752bd1abef0fdfd505799496. 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/BCPK62334356.
      date published: 2026-07-04T11:19:20Z
    audio: Nem tudo são flores
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.003
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.777
      additional property: Energy
        type: PropertyValue
        value: 0.694
      additional property: Speechiness
        type: PropertyValue
        value: 0.103
      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

Acousticness
type: PropertyValue
value: 0.119

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.123

Valence (Positivity)
type: PropertyValue
value: 0.309

Loudness (dB)
type: PropertyValue
value: -7.989

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major