Ignacio Piñeiro
type: MusicGroup
genre: son cubano
description: Ignacio Piñeiro Martínez (May 21, 1888 – March 12, 1969) was a Cuban musician, bandleader and composer whose career started in rumba and flowered in the rise of the son. He was one of the most importa
popularity: 10
followers: 1096
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/baca6827-3fb1-4f13-b77c-37aec812f92c
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  value: 2026-06-20T19:10:41Z
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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 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 0x629050fd9ef3deaf036c21032b596995a40c87581c59fce5708c94e26761d31d. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/baca6827-3fb1-4f13-b77c-37aec812f92c.json and https://artists.proofprofile.net/proofs/artist/baca6827-3fb1-4f13-b77c-37aec812f92c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:10:41Z
  text: {"copyright_id":"0x629050fd9ef3deaf036c21032b596995a40c87581c59fce5708c94e26761d31d","name":"Ignacio Piñeiro","registered_at":"2026-06-20T16:48:49Z","symbol":"NIM1658042","token_address":"0x0a46f9e854f06c66bce127e4cac56a633fea991b","type":"artist","uuid":"baca6827-3fb1-4f13-b77c-37aec812f92c"}
album: Septeto Nacional de Ignacio Piñeiro
  type: MusicAlbum
  date published: 2001-10-09
album: Alma Guajira
  type: MusicAlbum
  date published: 2018-04-04
album: Alma Guajira
  type: MusicAlbum
  date published: 2018-04-04
  track: El Guanajo relleno
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182595
    explicit: false
    by artist: Ignacio Piñeiro
    in album: Alma Guajira
      type: MusicAlbum
      date published: 2018-04-04
    genre: son cubano
    isrc code: BGA261841011
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BGA261841011
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T08:54:12Z
    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 0xb88113333bdae183b4ed9099dbc22e947c6a71e05c9994bbc11a3cd9b9c4e4d4. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/BGA261841011.
      date published: 2026-07-18T08:54:12Z
    audio: El Guanajo relleno
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.702
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.114
      additional property: Acousticness
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        value: 0.933
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.661
      additional property: Liveness
        type: PropertyValue
        value: 0.174
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.964
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.096
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Alma guajira (Remastered)
  type: MusicAlbum
  date published: 2019-10-16
album: Suavecito (Remastered)
  type: MusicAlbum
  date published: 2023-02-26
album: Mayeya, no juegues con los santos (Remastered)
  type: MusicAlbum
  date published: 2023-02-26
album: Échale salsita (Remastered)
  type: MusicAlbum
  date published: 2023-02-26
album: Clasicos del Son
  type: MusicAlbum
  date published: 2024-03-12
album: Clasicos del Son
  type: MusicAlbum
  date published: 2024-05-03
track: Consuélate Como Yo
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210160
  explicit: false
  by artist: Mandy Cantero
  by artist: Septeto Nacional
  by artist: Ignacio Piñeiro
  in album: Para Siempre Embale
    type: MusicAlbum
    date published: 2019-05-10
  genre: son-cubano
  genre: timba
  isrc code: CUA011906301
  additional property: CopyrightID
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    type: PropertyValue
    value: registered
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CUA011906301
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:04:01Z
  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 0x275c198e1573f7a31153e895149e0bee924e969879a380ed3b887171790acc89. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/CUA011906301.
    date published: 2026-07-07T14:04:01Z
  audio: Consuélate Como Yo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.187
    additional property: Musical Key
    additional property: Mode (Major/Minor)
    additional property: Time Signature
    additional property: Danceability
    additional property: Energy
    additional property: Speechiness
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name

Musical Key
type: PropertyValue
value: 7

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.731

Energy
type: PropertyValue
value: 0.757

Speechiness
type: PropertyValue
value: 0.076

Acousticness
type: PropertyValue
value: 0.649

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.068

Valence (Positivity)
type: PropertyValue
value: 0.711

Loudness (dB)
type: PropertyValue
value: -8.98

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major