Sergio Quintero
type: MusicGroup
description: Sergio Saúl Quintero Chavez (born 9 May 1999) is an Ecuadorian footballer who plays as a defensive midfielder for CS Emelec. Quintero goes by the nickname La Máquina which means The Machine. Club ca
popularity: 5
followers: 28
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSProofURL
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additional property: OTSRecordURL
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa90d3b8aae4fd70e5b594688effa9943ae475e981e136a9dab6288f6265c8825. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3a7a288f-0719-45ef-8bfb-85836e172160.json and https://artists.proofprofile.net/proofs/artist/3a7a288f-0719-45ef-8bfb-85836e172160.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xa90d3b8aae4fd70e5b594688effa9943ae475e981e136a9dab6288f6265c8825","name":"Sergio Quintero","registered_at":"2026-06-16T09:55:53Z","symbol":"NIM1015678","token_address":"0x5bf4a755ca659c18e8f38db03f13e99c2b61841a","type":"artist","uuid":"3a7a288f-0719-45ef-8bfb-85836e172160"}
album: Yo No Iré
  type: MusicAlbum
  date published: 2022-12-09
album: Nuevo Amanecer
  type: MusicAlbum
  date published: 2023-06-23
album: Tu Gracia
  type: MusicAlbum
  date published: 2024-01-19
album: Prueba Y Ve
  type: MusicAlbum
  date published: 2025-04-14
album: Prueba y Ve sesión acústica
  type: MusicAlbum
  date published: 2025-05-27
album: Behold
  type: MusicAlbum
  date published: 2025-06-14
album: Prueba Y Ve (Pop Version)
  type: MusicAlbum
  date published: 2025-08-19
  track: Prueba Y Ve - Pop Version
    type: MusicRecording
    duration: PT4M44S
    duration ms: 284859
    explicit: false
    by artist: Sergio Quintero
    in album: Prueba Y Ve (Pop Version)
      type: MusicAlbum
      date published: 2025-08-19
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ772577039
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:49:21Z
    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 0x918370dc7a75a8cb507979678b071f4637281573f8b3224f211ba0a00904677f. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZZ772577039.
      date published: 2026-07-17T19:49:21Z
    audio: Prueba Y Ve - Pop Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 107.001
      additional property: Musical Key
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        value: 11
      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: 0.546
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
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        value: 0.033
      additional property: Acousticness
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        value: 0.036
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.157
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.347
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.696
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Prueba Y Ve En Vivo Desde California
  type: MusicAlbum
  date published: 2025-09-02