Branka
type: MusicGroup
genre: nova mpb
genre: samba
description: Branka () is a Serbo-Croatian female given name derived from the Slavic root bran – the same as in Branislav and Branimir – with the meaning "to defend or protect". It can also be a version of the Por
popularity: 5
followers: 443
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79cd5f9bb480eb8d6feabb00f0392c42a6cfac722ab8ad511099e66431700a19
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c2d17338-9089-4c05-a0e4-60eac61a59a8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c2d17338-9089-4c05-a0e4-60eac61a59a8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c2d17338-9089-4c05-a0e4-60eac61a59a8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
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 0x79cd5f9bb480eb8d6feabb00f0392c42a6cfac722ab8ad511099e66431700a19. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c2d17338-9089-4c05-a0e4-60eac61a59a8.json and https://artists.proofprofile.net/proofs/artist/c2d17338-9089-4c05-a0e4-60eac61a59a8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
album: Online
  type: MusicAlbum
  date published: 2001-01-01
album: Flores Douradas O Caule - EP 2
  type: MusicAlbum
  date published: 2016-11-11
  track: É D'Oxum
    type: MusicRecording
    duration: PT5M48S
    duration ms: 348026
    explicit: false
    by artist: Branka
    in album: Flores Douradas O Caule - EP 2
      type: MusicAlbum
      date published: 2016-11-11
    genre: nova mpb
    genre: samba
    isrc code: BRKRR1500013
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T01:41:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf6759d1f57122ef928844ecb9d1bb195d7ddf7c3c7abba31d9dc61137642d1dc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRKRR1500013
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T23:56:11Z
    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 0xf6759d1f57122ef928844ecb9d1bb195d7ddf7c3c7abba31d9dc61137642d1dc. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-19T23:56:11Z), 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/BRKRR1500013.
      date published: 2026-07-19T23:56:11Z
    audio: É D'Oxum
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.026
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.681
      additional property: Energy
        type: PropertyValue
        value: 0.543
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.784
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.329
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.211
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.408
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Trilogia Flores Douradas - A Flor
  type: MusicAlbum
  date published: 2017-10-20
album: Trilogia Flores Douradas - A Flor
  type: MusicAlbum
  date published: 2017-10-20
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  type: MusicAlbum
  date published: 2019-11-06
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  type: MusicAlbum
  date published: 2020-08-21
album: Feira de Mangaio
  type: MusicAlbum
  date published: 2020-08-28
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  type: MusicAlbum
  date published: 2020-09-11
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  type: MusicAlbum
  date published: 2020-12-11
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  type: MusicAlbum
  date published: 2021-01-25
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  type: MusicAlbum
  date published: 2021-08-11
album: O Barquinho
  type: MusicAlbum
  date published: 2023-04-26
album: Estrada do Sol
  type: MusicAlbum
  date published: 2023-06-09
album: O Preto a Branka e a Bossa
  type: MusicAlbum
  date published: 2023-08-11
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  type: MusicAlbum
  date published: 2024-06-14
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-03-04