Sérgio Mallandro
type: MusicGroup
genre: brega
genre: lullaby
description: Sérgio 'Mallandro' Neiva Cavalcanti a.k.a. "Sérgio Mallandro" (born October 12, 1955, date confirmed by Sérgio Mallandro on the TV Record program "Tudo é Possível") is a Brazilian actor and TV shows h
popularity: 12
followers: 2334
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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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  date published: 2026-06-14T11:41:45Z
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album: Pula Brinca e Agita!
  type: MusicAlbum
  date published: 1989-07-03
album: Sergio Mallandro
  type: MusicAlbum
  date published: 1995-03-30
track: Vem Fazer Glu-Glu

Vem Fazer Glu-Glu
type: MusicRecording
duration: PT3M52S
duration ms: 232040
explicit: false
by artist: Sérgio Mallandro
in album: Total Brega
  type: MusicAlbum
  date published: 2012-12-03
isrc code: BRBMG8200461
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Vem Fazer Glu-Glu
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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