NCL
type: MusicGroup
description: NCL may refer to: Places New Caledonia, French territory in the Pacific Organizations National Carriers Limited, a former British road haulage company subsequently merged into Lynx Express Nation
album: Flores
  type: MusicAlbum
  date published: 2020-07-07
album: Black Lives Matter
  type: MusicAlbum
  date published: 2020-10-16
album: Quebrando Barreiras
  type: MusicAlbum
  date published: 2021-02-12
album: Boom Rap Respeito
  type: MusicAlbum
  date published: 2025-04-25
  track: Boom Rap Respeito
    type: MusicRecording
    duration: PT2M34S
    duration ms: 154105
    explicit: true
    by artist: NCL
    in album: Boom Rap Respeito
      type: MusicAlbum
      date published: 2025-04-25
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    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T00:27:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9a47dc3c4180ecf6debddb4c3cb63e61d9767cf076e30f686b87f60c4b68cdf1
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    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957782
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957782
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXEOP2500021
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T00:52:48Z
    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 0x9a47dc3c4180ecf6debddb4c3cb63e61d9767cf076e30f686b87f60c4b68cdf1. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/BXEOP2500021.
      date published: 2026-07-13T00:52:48Z
    audio: Boom Rap Respeito
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.105
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.565
      additional property: Energy
        type: PropertyValue
        value: 0.649
      additional property: Speechiness
        type: PropertyValue
        value: 0.211
      additional property: Acousticness
        type: PropertyValue
        value: 0.539
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.134
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.355
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.228
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Tentando Me Encontrar
  type: MusicAlbum
  date published: 2025-08-16
track: Fiz Meu Nome
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186373
  explicit: false
  by artist: Tyl Petri
  by artist: NCL
  by artist: El Kali BMC
  by artist: Cazy
  by artist: MDB
  in album: Fiz Meu Nome
    type: MusicAlbum
    date published: 2024-10-04
  isrc code: BXEOP2400109
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T19:55:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa03e3e6b9652e4a00bf83f5e14741a27c8d4e3266e959bf48f0a7fe87d1d7913
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  additional property: OTSBitcoinBlock
    type: PropertyValue
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    value: https://blockstream.info/api/block-height/960459
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXEOP2400109
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T20:22:46Z
  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 0xa03e3e6b9652e4a00bf83f5e14741a27c8d4e3266e959bf48f0a7fe87d1d7913. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/BXEOP2400109.
    date published: 2026-07-31T20:22:46Z
  audio: Fiz Meu Nome
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 138.404
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.825
    additional property: Energy
      type: PropertyValue
      value: 0.371
    additional property: Speechiness
      type: PropertyValue
      value: 0.388
    additional property: Acousticness
      type: PropertyValue
      value: 0.292
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.27
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.918
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Novos Ares
  type: MusicRecording
  duration: PT6M2S
  duration ms: 362742
  explicit: false
  by artist: NCL
  by artist: MC TH13
  by artist: El Kali BMC
  by artist: MDB
  by artist: Cazy
  by artist: Kuba
  by artist: L.O.I
  by artist: Tyl Petri
  by artist: Trezy
  in album: Novos Ares
  isrc code: BXEOP2400115
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Novos Ares

Kuba
type: MusicGroup

L.O.I
type: MusicGroup

Tyl Petri
type: MusicGroup

Trezy
type: MusicGroup

Novos Ares
type: MusicAlbum
date published: 2024-10-25

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T14:07:05+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xc361ec473aea8490ac639a2f59318c196f0b92761aa88ebcd338d86c97124886

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960418

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960418

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXEOP2400115

OTSTimestamp
type: PropertyValue
value: 2026-07-31T15:20:15Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc361ec473aea8490ac639a2f59318c196f0b92761aa88ebcd338d86c97124886. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/BXEOP2400115.
date published: 2026-07-31T15:20:15Z

Novos Ares
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 110.746
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.61
additional property: Energy
  type: PropertyValue
  value: 0.639
additional property: Speechiness
  type: PropertyValue
  value: 0.229
additional property: Acousticness
  type: PropertyValue
  value: 0.122
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.083
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.622
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.411
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major