Luísa Araújo
type: MusicGroup
popularity: 5
followers: 140
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0477ca727b283c154281d6b33c36638c0e3a8aad762be6f7de882fd8bf466d82
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b88cc612-4d9d-4131-9bc6-50497234f086.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b88cc612-4d9d-4131-9bc6-50497234f086.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b88cc612-4d9d-4131-9bc6-50497234f086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0477ca727b283c154281d6b33c36638c0e3a8aad762be6f7de882fd8bf466d82","name":"Luísa Araújo","registered_at":"2026-06-20T15:38:25Z","symbol":"NIM1646807","token_address":"0xf461272bca547221d5b1bd38a0ec39091893cbd5","type":"artist","uuid":"b88cc612-4d9d-4131-9bc6-50497234f086"}
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 0x0477ca727b283c154281d6b33c36638c0e3a8aad762be6f7de882fd8bf466d82. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b88cc612-4d9d-4131-9bc6-50497234f086.json and https://artists.proofprofile.net/proofs/artist/b88cc612-4d9d-4131-9bc6-50497234f086.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
  text: {"copyright_id":"0x0477ca727b283c154281d6b33c36638c0e3a8aad762be6f7de882fd8bf466d82","name":"Luísa Araújo","registered_at":"2026-06-20T15:38:25Z","symbol":"NIM1646807","token_address":"0xf461272bca547221d5b1bd38a0ec39091893cbd5","type":"artist","uuid":"b88cc612-4d9d-4131-9bc6-50497234f086"}
album: Eu Não Vou
  type: MusicAlbum
  date published: 2024-09-20
album: Sentimento Bobo
  type: MusicAlbum
  date published: 2025-06-20
  track: Sentimento Bobo
    type: MusicRecording
    duration: PT3M14S
    duration ms: 194610
    explicit: false
    by artist: Luísa Araújo
    in album: Sentimento Bobo
      type: MusicAlbum
      date published: 2025-06-20
    isrc code: BCDE52500034
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T06:39:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb688c998b1df194bec87c747e815d6388fcc86fa023241622d465417c95d2485
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956476
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956476
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCDE52500034
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T09:04:44Z
    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 0xb688c998b1df194bec87c747e815d6388fcc86fa023241622d465417c95d2485. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/BCDE52500034.
      date published: 2026-07-03T09:04:44Z
    audio: Sentimento Bobo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 151.771
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.676
      additional property: Energy
        type: PropertyValue
        value: 0.503
      additional property: Speechiness
        type: PropertyValue
        value: 0.091
      additional property: Acousticness
        type: PropertyValue
        value: 0.438
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.131
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.655
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.434
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major