Tavynho Bonfa
type: MusicGroup
genre: brazilian jazz
popularity: 8
followers: 327
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953947
additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/953947
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/2347e18f-a11e-485e-b357-9b1d5b3a4a00.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2347e18f-a11e-485e-b357-9b1d5b3a4a00.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2347e18f-a11e-485e-b357-9b1d5b3a4a00
additional property: OTSTimestamp
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  value: 2026-06-16T13:14:26Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0x9cfe08813d5e93c52d3748f5f533d5ecea1a98abf2d2135b29b26fa059b97a7f","name":"Tavynho Bonfa","registered_at":"2026-06-16T01:48:24Z","symbol":"NIM0899257","token_address":"0x5efd8de96b98ba62d9ad426929a8c5384fd10ea4","type":"artist","uuid":"2347e18f-a11e-485e-b357-9b1d5b3a4a00"}
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cfe08813d5e93c52d3748f5f533d5ecea1a98abf2d2135b29b26fa059b97a7f. Chain 2 (Bitcoin): anchored in block 953947 (2026-06-16T13:14:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2347e18f-a11e-485e-b357-9b1d5b3a4a00.json and https://artists.proofprofile.net/proofs/artist/2347e18f-a11e-485e-b357-9b1d5b3a4a00.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T13:14:26Z
  text: {"copyright_id":"0x9cfe08813d5e93c52d3748f5f533d5ecea1a98abf2d2135b29b26fa059b97a7f","name":"Tavynho Bonfa","registered_at":"2026-06-16T01:48:24Z","symbol":"NIM0899257","token_address":"0x5efd8de96b98ba62d9ad426929a8c5384fd10ea4","type":"artist","uuid":"2347e18f-a11e-485e-b357-9b1d5b3a4a00"}
album: Bonfa Toca Bonfa
  type: MusicAlbum
  date published: 2014-05-01
album: Vitória do Bem
  type: MusicAlbum
  date published: 2016-03-21
album: Aproximação
  type: MusicAlbum
  date published: 2016-03-27
  track: Dança Infernal - Infernal Dance
    type: MusicRecording
    duration: PT4M27S
    duration ms: 267308
    explicit: false
    by artist: Tavynho Bonfa
    in album: Aproximação
      type: MusicAlbum
      date published: 2016-03-27
    genre: brazilian jazz
    isrc code: BRZOC1600007
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958733
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRZOC1600007
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T12:51:21Z
    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 0xe0df9065187c32041246cbfc9aaf20858a350d6ed4d3c041c2f954bf500b2954. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRZOC1600007 — a six-check JSON result.
      date published: 2026-07-19T12:51:21Z
    audio: Dança Infernal - Infernal Dance
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 122.711
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.621
      additional property: Energy
        type: PropertyValue
        value: 0.59
      additional property: Speechiness
        type: PropertyValue
        value: 0.072
      additional property: Acousticness
        type: PropertyValue
        value: 0.337
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.006
      additional property: Liveness
        type: PropertyValue
        value: 0.429
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.679
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.488
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Mundo ao Contrário
  type: MusicAlbum
  date published: 2016-03-27
album: Nostalgias
  type: MusicAlbum
  date published: 2016-05-11
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  type: MusicAlbum
  date published: 2016-05-28
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  type: MusicAlbum
  date published: 2016-09-19
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  type: MusicAlbum
  date published: 2016-09-21
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  type: MusicAlbum
  date published: 2017-03-02
album: Over The Air
  type: MusicAlbum
  date published: 2017-03-05
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  type: MusicAlbum
  date published: 2017-03-24
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  type: MusicAlbum
  date published: 2017-04-05
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  type: MusicAlbum
  date published: 2017-05-04
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  type: MusicAlbum
  date published: 2017-08-11
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  type: MusicAlbum
  date published: 2017-12-05
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  type: MusicAlbum
  date published: 2019-01-21
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  type: MusicAlbum
  date published: 2019-11-09
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  type: MusicAlbum
  date published: 2021-09-17
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  type: MusicAlbum
  date published: 2021-12-20
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  type: MusicAlbum
  date published: 2022-05-30
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  type: MusicAlbum
  date published: 2022-08-26
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  type: MusicAlbum
  date published: 2023-03-02
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  type: MusicAlbum
  date published: 2023-09-18
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  type: MusicAlbum
  date published: 2024-04-04
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  type: MusicAlbum
  date published: 2025-06-24