Bianca e Mauricio Ferreira
type: MusicGroup
popularity: 4
followers: 59
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x82f94974887a0769abf3c33011c1864528fd785a0a9340f6a95ac3cca6fcdcce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8cb15f0c-b330-4717-bd82-6eae50ee6a65.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8cb15f0c-b330-4717-bd82-6eae50ee6a65.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8cb15f0c-b330-4717-bd82-6eae50ee6a65
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x82f94974887a0769abf3c33011c1864528fd785a0a9340f6a95ac3cca6fcdcce","name":"Bianca e Mauricio Ferreira","registered_at":"2026-06-17T14:43:38Z","symbol":"NIM1427751","token_address":"0x1d0bf0e8361ff2c9258fb28968801d662037cbf8","type":"artist","uuid":"8cb15f0c-b330-4717-bd82-6eae50ee6a65"}
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 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 0x82f94974887a0769abf3c33011c1864528fd785a0a9340f6a95ac3cca6fcdcce. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8cb15f0c-b330-4717-bd82-6eae50ee6a65.json and https://artists.proofprofile.net/proofs/artist/8cb15f0c-b330-4717-bd82-6eae50ee6a65.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x82f94974887a0769abf3c33011c1864528fd785a0a9340f6a95ac3cca6fcdcce","name":"Bianca e Mauricio Ferreira","registered_at":"2026-06-17T14:43:38Z","symbol":"NIM1427751","token_address":"0x1d0bf0e8361ff2c9258fb28968801d662037cbf8","type":"artist","uuid":"8cb15f0c-b330-4717-bd82-6eae50ee6a65"}
album: A Curandeira
  type: MusicAlbum
  date published: 2023-11-13
  track: A Curandeira
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196074
    explicit: false
    by artist: Bianca e Mauricio Ferreira
    in album: A Curandeira
      type: MusicAlbum
      date published: 2023-11-13
    isrc code: BKBI62300001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T06:02:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf4b41f88f815e8b8441745242efea99f4d5d4c4f180e8d994ff9b611843528f1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958376
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958376
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BKBI62300001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T06:41:00Z
    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 0xf4b41f88f815e8b8441745242efea99f4d5d4c4f180e8d994ff9b611843528f1. Chain 2 (Bitcoin): anchored in block 958376 (2026-07-17T06:41:00Z), 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/BKBI62300001.
      date published: 2026-07-17T06:41:00Z
    audio: A Curandeira
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.788
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.446
      additional property: Energy
        type: PropertyValue
        value: 0.26
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.913
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.166
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.19
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.137
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Alma do Lugar
  type: MusicAlbum
  date published: 2023-12-08
album: A Paz
  type: MusicAlbum
  date published: 2023-12-12
album: O Que Jesus Faria?
  type: MusicAlbum
  date published: 2023-12-12
album: O Despertar do Guerreiro
  type: MusicAlbum
  date published: 2023-12-26
album: Interlúdio
  type: MusicAlbum
  date published: 2023-12-26
album: As Guardiãs
  type: MusicAlbum
  date published: 2024-01-11
album: Décima Ilha
  type: MusicAlbum
  date published: 2024-01-11