NEGRO
type: MusicGroup
description: In the English language, the term negro is a term historically used to refer to people of Black African heritage. The term negro means the color black in Spanish and Portuguese (from Latin niger), whe
popularity: 3
followers: 49
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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 0x7fa293c7e68e99c9d664905caf7669a44bcb0d140d554d39c15908e36d7ad7ff. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/31358354-02d5-4b5e-b0e4-173581994aa7.json and https://artists.proofprofile.net/proofs/artist/31358354-02d5-4b5e-b0e4-173581994aa7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
album: Insanidade & Loucura
  type: MusicAlbum
  date published: 2021-03-26
track: Uma de Gin 3 Tónicas e Gelo

Uma de Gin 3 Tónicas e Gelo
type: MusicRecording
duration: PT3M54S
duration ms: 234093
explicit: false
by artist: Allan
by artist: Wanda Baloyi
by artist: NEGRO
in album: A Bênção da Célia
  type: MusicAlbum
  date published: 2021-10-03
genre: melodic-rap
isrc code: QZNWS2104478
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x933bf540b25bf9198c2f17a0f10736b6a2f1a14901ba505474113f993019b8e9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZNWS2104478.
  date published: 2026-07-02T05:09:12Z
audio: Uma de Gin 3 Tónicas e Gelo
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Instrumentalness
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  additional property: Liveness
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