Army Squad
type: MusicGroup
genre: portuguese hip hop
description: Army Squad is a hip hop group from Angola. They started making hip hop music in the early 1990s. They were once part of a group called Bue and Heavy C is featured in many of Army Squad's songs such as
popularity: 8
followers: 4426
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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: 2026-06-16T20:07:57Z
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album: Firme
  type: MusicAlbum
  date published: 2003
album: Firme
  type: MusicAlbum
  date published: 2003-04-14
  track: Conselho De Amigo
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    by artist: Army Squad
    in album: Firme
      type: MusicAlbum
      date published: 2003-04-14
    genre: portuguese hip hop
    isrc code: AOA280300042
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    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9518d6cf2899c9b7ac7583f6003f800d1f39c00fe9d695621707f126ef3a8b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/AOA280300042.
      date published: 2026-07-05T10:01:46Z
    audio: Conselho De Amigo
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      additional property: Tempo (BPM)
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  track: Cabeça Vazia
    type: MusicRecording
    duration: PT5M38S
    duration ms: 338808
    explicit: false
    by artist: Army Squad
    in album: Firme
      type: MusicAlbum
      date published: 2003-04-14
    genre: portuguese hip hop
    isrc code: AOA280300044
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-17T00:38:47Z
    audio: Cabeça Vazia
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Valence (Positivity)
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album: Bem Vindos a Angola

Liveness
type: PropertyValue
value: 0.061

Valence (Positivity)
type: PropertyValue
value: 0.961

Loudness (dB)
type: PropertyValue
value: -4.234

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

Bem Vindos a Angola
type: MusicAlbum
date published: 2018-08-27