Itamar Costa Estouradinho
type: MusicGroup
genre: classical piano
popularity: 5
followers: 63
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13dcd5e4184d25eecf7596798f6123c98197b14642c8481dde120041963f5b1e. Chain 2 (Bitcoin): anchored in block 953985 (2026-06-16T18:03:53Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2d965051-cc7b-4863-b264-c4ee80cdc0f1.json and https://artists.proofprofile.net/proofs/artist/2d965051-cc7b-4863-b264-c4ee80cdc0f1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T18:03:53Z
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album: Itamar Costa, Vol. 3
  type: MusicAlbum
  date published: 2022-04-21
album: Repertório de Verao
  type: MusicAlbum
  date published: 2022-04-28
album: Som de Paredao
  type: MusicAlbum
  date published: 2022-04-28
album: Apaixonando o Brasil
  type: MusicAlbum
  date published: 2022-05-05
album: Bebendo e Chorando (Ao Vivo)
  type: MusicAlbum
  date published: 2022-05-08
  track: Casa Mobiliada - Ao Vivo
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    by artist: Itamar Costa Estouradinho
    in album: Bebendo e Chorando (Ao Vivo)
      type: MusicAlbum
      date published: 2022-05-08
    genre: classical piano
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ52294010
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T13:55:40Z
    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 0x5f1fc332b514b339c954243660b1e557a78da5a1a699c811c7549742b52205b9. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T13:55:40Z), 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/QZHZ52294010.
      date published: 2026-07-20T13:55:40Z
    audio: Casa Mobiliada - Ao Vivo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 138.045
      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
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        value: 4
      additional property: Danceability
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      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
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      additional property: Valence (Positivity)
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        value: 0.891
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.336
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
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        value: Major
album: Pra Tocar no Seu Paredão
  type: MusicAlbum
  date published: 2022-05-08
album: Vol. 1
  type: MusicAlbum
  date published: 2022-05-18
album: Aperta Bb (Ao Vivo)
  type: MusicAlbum
  date published: 2022-06-29
album: Pra Tocar no Paredao
  type: MusicAlbum
  date published: 2022-07-19
album: Volta Amor
  type: MusicAlbum
  date published: 2022-11-25
album: Tanto Que Eu Te Amei
  type: MusicAlbum
  date published: 2022-11-25
album: Esperando Você
  type: MusicAlbum
  date published: 2022-11-25
album: Você Foi de Mais pra Mim
  type: MusicAlbum
  date published: 2022-11-25
album: Ao Vivão 2022
  type: MusicAlbum
  date published: 2022-12-01
album: Itamar Costa, Vol. 3
  type: MusicAlbum
  date published: 2023-03-25
album: De Bar em Bar
  type: MusicAlbum
  date published: 2023-03-29
album: Pra Tocar no Paredao
  type: MusicAlbum
  date published: 2023-04-04
album: O Estouradinho dos Paredões
  type: MusicAlbum
  date published: 2023-04-07
album: Ao Vivo em Itinga, Lauro de Freitas - BA
  type: MusicAlbum
  date published: 2023-06-23
album: Ao Vivo no Boteco da Gloria
  type: MusicAlbum
  date published: 2023-06-23