Alfredo Ortiz
type: MusicGroup
genre: latin jazz
description: Alfredo Ortiz (born September 7, 1975) is an American musician, primarily a drummer and percussionist. He toured with the Beastie Boys as their drummer and percussionist from 1996 until their final s
track: Buscando al Curandero
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  by artist: Jazz On The Latin Side All Stars
  by artist: Francisco Aguabella
  by artist: Justo Almario
  by artist: Alfredo Ortiz
  in album: Tambolero
    type: MusicAlbum
    date published: 2007
  popularity: 1
  genre: latin-jazz
  genre: mambo
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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 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
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    date published: 2026-07-31T08:38:45Z
  audio: Buscando al Curandero
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    additional property: Tempo (BPM)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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      value: 0.097
    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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      value: 0.842
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    additional property: Key Name
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track: La Guabina
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125400
  explicit: false
  by artist: Alfredo Ortiz
  by artist: Susann McDonald
  in album: Harp Recital: Mcdonald, Susann - Salzedo, C. / Albeniz, M. / Albeniz, I. / Watkins, D. / Ortiz, A. / Francisque, A. (The World of the Harp)
    type: MusicAlbum
    date published: 1994-01-01
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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 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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    date published: 2026-07-08T03:20:19Z
  audio: La Guabina
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 5
    additional property: Danceability
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    additional property: Mode Name
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track: Llanos
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156400
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  by artist: Alfredo Ortiz
  by artist: Susann McDonald
  in album: Harp Recital: Mcdonald, Susann - Salzedo, C. / Albeniz, M. / Albeniz, I. / Watkins, D. / Ortiz, A. / Francisque, A. (The World of the Harp)
    type: MusicAlbum
    date published: 1994-01-01
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  subject of: OpenTimestamps Proof of Existence
  audio: Llanos
track: Rumba Intro

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OTSTimestamp
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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 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

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date published: 2026-07-08T03:20:19Z

Llanos
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additional property: Danceability
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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Rumba Intro
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duration: PT1M19S
duration ms: 79306
explicit: false
by artist: Jazz On The Latin Side All Stars
by artist: Alfredo Ortiz
by artist: Joey De Leon
by artist: Francisco Aguabella
by artist: Michito Sanchez
in album: The Last Bullfighter
  type: MusicAlbum
  date published: 2005-03-07
genre: latin-jazz
genre: mambo
isrc code: US25T0523230
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Rumba Intro
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