Luar do Sertão
type: MusicGroup
genre: forró tradicional
description: thumb | right | alt=Phonogram from 1914 of "Luar do Sertão", released by Casa Edison | Phonogram from 1914 of "Luar do Sertão", released by Casa Edison Luar do Sertão (Hinterlands Moonlight in Engli
popularity: 9
followers: 448
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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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 0xe1305be497079a45809b791254c01799199756a5903f81e3939b4dac3f38f097. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1578531f-ec45-4016-a936-ac51d3037538.json and https://artists.proofprofile.net/proofs/artist/1578531f-ec45-4016-a936-ac51d3037538.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:39:24Z
  text: {"copyright_id":"0xe1305be497079a45809b791254c01799199756a5903f81e3939b4dac3f38f097","name":"Luar do Sertão","registered_at":"2026-06-15T21:05:07Z","symbol":"NIM0831641","token_address":"0xa905faaa500fa31834533afb187ad3502cc278a9","type":"artist","uuid":"1578531f-ec45-4016-a936-ac51d3037538"}
album: Canudos (Ao Vivo)
  type: MusicAlbum
  date published: 2013-06-01
album: Curral Grande (Ao Vivo)
  type: MusicAlbum
  date published: 2015-06-14
album: Festa do Pau da Bandeira (Ao Vivo)
  type: MusicAlbum
  date published: 2016-06-04
album: Chita, Chitinha, Chitão: Das Índias pro Meu São João (Ao Vivo)
  type: MusicAlbum
  date published: 2017-06-10
album: As Damas do Vento
  type: MusicAlbum
  date published: 2018-06-17
  track: Gemedeira
    type: MusicRecording
    duration: PT1M45S
    duration ms: 105240
    explicit: false
    by artist: Luar do Sertão
    in album: As Damas do Vento
      type: MusicAlbum
      date published: 2018-06-17
    genre: forró tradicional
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    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32089590
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:52:36Z
    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 0xcbccdc510d56f51c655151dff4c25e96e6765480fcbf765dfc43c3649f3600d6. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/QZHZ32089590.
      date published: 2026-07-18T00:52:36Z
    audio: Gemedeira
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 88.378
      additional property: Musical Key
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        value: 2
      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.642
      additional property: Energy
        type: PropertyValue
        value: 0.625
      additional property: Speechiness
        type: PropertyValue
        value: 0.207
      additional property: Acousticness
        type: PropertyValue
        value: 0.348
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.483
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.759
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.915
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: O Sertão Vai Virar Mar: De Lágrimas e Memórias.
  type: MusicAlbum
  date published: 2019-06-16
album: Matulão da Luar
  type: MusicAlbum
  date published: 2022-06-04
album: Nada É de Ninguém, Tudo É de Todos.
  type: MusicAlbum
  date published: 2022-07-01
album: Nada É de Ninguém, Tudo É de Todos (Ao Vivo)
  type: MusicAlbum
  date published: 2022-09-09
album: O Chão Sagra, a Vida Sangra
  type: MusicAlbum
  date published: 2023-07-30
album: Sina
  type: MusicAlbum
  date published: 2024-12-30