Fe de Ratas
type: MusicGroup
genre: punk
genre: ska
genre: ska punk
popularity: 29
followers: 18149
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additional property: CopyrightChainExplorerURL
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additional property: OTSProofURL
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additional property: OTSVerificationAPI
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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 0x078aafa5d1cca65e99ec4b58a3c786f0d7711f82ca74c726519cc977cd09d2ef. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9aa4df70-8746-44ca-b26e-3c9bd9799083.json and https://artists.proofprofile.net/proofs/artist/9aa4df70-8746-44ca-b26e-3c9bd9799083.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: Tú Tranquilo y a lo Tuyo
  type: MusicAlbum
  date published: 1999
album: Tú tranquilo y a lo tuyo
  type: MusicAlbum
  date published: 1999-01-01
album: Tú Tranquilo y a lo Tuyo
  type: MusicAlbum
  date published: 1999-01-01
album: A Esta Civilización
  type: MusicAlbum
  date published: 2001-01-01
  track: Esta es para ti
    type: MusicRecording
    duration: PT3M0S
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    by artist: Fe de Ratas
    in album: A Esta Civilización
      type: MusicAlbum
      date published: 2001-01-01
    genre: punk
    genre: ska
    genre: ska punk
    isrc code: ESAAI0230639
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESAAI0230639
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T19:55:03Z
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1746230272beb0e05140503a6c1ba065a6fc573b7f9fd976b380b2cf656e28f9. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:55:03Z), 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/ESAAI0230639.
      date published: 2026-07-19T19:55:03Z
    audio: Esta es para ti
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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        type: PropertyValue
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album: A esta civilización
  type: MusicAlbum
  date published: 2001-01-01
album: A Esta Civilización
  type: MusicAlbum
  date published: 2001-01-01
album: Ratatata… Tour (Live)
  type: MusicAlbum
  date published: 2002
album: Ratatata... Tour (Live)
  type: MusicAlbum
  date published: 2002-01-01
  track: Sin Haber Jugao - Live
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    by artist: Fe de Ratas
    in album: Ratatata... Tour (Live)
      type: MusicAlbum
      date published: 2002-01-01
    genre: punk
    genre: ska
    genre: ska punk
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
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    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 0xb0b5a369ba5c42263f94d1dbee622b32e57f5422ab7204126579c96446c1edd1. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:01:03Z), 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/ESAAI0230606.
      date published: 2026-07-15T15:01:03Z
    audio: Sin Haber Jugao - Live
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      additional property: Tempo (BPM)
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      additional property: Valence (Positivity)
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album: Miseria Frente a Miseria
album: Miami's Way of Life
album: Miseria frente a miseria
album: Tus Demonios y yo
album: Tus demonios y yo
album: I Want You - En la Democracia de mi Ombligo
album: Al Borde Del Abismo
album: Al Borde del Abismo
album: Al borde del abismo
album: I Want You - En la democracia de mi ombligo
album: Antiimperialista
album: Abeerraciones
album: El irremediable camino a la violencia
album: El Irremediable Camino a la Violencia
album: Que Siga la Fiesta
album: Ahora Que...
album: Consume o Muere
album: El Rebaño
album: El Hambre Grita (2020)
album: Chitón! (Directo 25º Aniversario)
album: Solo Era un Salvaje (Directo 25º Aniversario)
album: Soy la Ley (Directo 25º Aniversario)
album: El Laberinto de la Existencia (Directo 25º Aniversario)
album: Tu Tranquilo y a Lo Tuyo (Directo 25º Aniversario)
album: Que Desidia! (Directo 25º Aniversario)
album: Aún puedo esperar (Directo 25º Aniversario)
album: Antiimperialista (Directo 25º Aniversario)
album: Miami's way of life (Directo 25º Aniversario)
album: 25 años en las cloacas (Directo 25º Aniversario)

Mode (Major/Minor)
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value: 1

Time Signature
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Danceability
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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value: 0.054

Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Miseria Frente a Miseria
type: MusicAlbum
date published: 2003

Miami's Way of Life
type: MusicAlbum
date published: 2003-01-01

Miami's Way of Life
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date published: 2003-01-01

Miseria Frente a Miseria
type: MusicAlbum
date published: 2003-01-01
track: Sólo un Día
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  by artist: Fe de Ratas
  in album: Miseria Frente a Miseria
    type: MusicAlbum
    date published: 2003-01-01
  genre: punk
  genre: ska
  genre: ska punk
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T21:18:05Z
  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 0x89aa3e0f35d2ef4e0da65aa0b01de36d12ad731cf8a107b07058752661bda81d. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ESAAI0230348.
    date published: 2026-07-03T21:18:05Z
  audio: Sólo un Día
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    additional property: Tempo (BPM)
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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: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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track: Aún me Queda Vida
  type: MusicRecording
  duration: PT3M44S
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  explicit: false
  by artist: Fe de Ratas
  in album: Miseria Frente a Miseria
    type: MusicAlbum
    date published: 2003-01-01
  genre: punk
  genre: ska
  genre: ska punk
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  additional property: OTSTimestamp
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  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
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    date published: 2026-07-18T04:13:26Z
  audio: Aún me Queda Vida
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track: Querida Clara
  type: MusicRecording
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    type: MusicAlbum
    date published: 2003-01-01
  genre: punk
  genre: ska
  genre: ska punk
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Querida Clara

OTSHash
type: PropertyValue

OTSBitcoinBlock
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value: 958761

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958761

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESAAI0230357

OTSTimestamp
type: PropertyValue
value: 2026-07-19T20:22:29Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe43a97f907af8826668a21059f57f110f5cbdf2e57c506b498648d529c21cdc6. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:22:29Z), 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/ESAAI0230357.
date published: 2026-07-19T20:22:29Z

Querida Clara
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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: Energy
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additional property: Instrumentalness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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Miseria frente a miseria
type: MusicAlbum
date published: 2003-01-01

Miseria Frente a Miseria
type: MusicAlbum
date published: 2003-01-01

Tus Demonios y yo
type: MusicAlbum
date published: 2005

Tus Demonios y yo
type: MusicAlbum
date published: 2005-01-01

Tus Demonios y yo
type: MusicAlbum
date published: 2005-01-01

Tus demonios y yo
type: MusicAlbum
date published: 2005-01-01

Tus Demonios y yo
type: MusicAlbum
date published: 2005-01-01

I Want You - En la Democracia de mi Ombligo
type: MusicAlbum
date published: 2006

Al Borde Del Abismo
type: MusicAlbum
date published: 2006

I Want You - En la Democracia de mi Ombligo
type: MusicAlbum
date published: 2006-01-01

Al Borde del Abismo
type: MusicAlbum
date published: 2006-01-01

Al borde del abismo
type: MusicAlbum
date published: 2006-01-01

I Want You - En la democracia de mi ombligo
type: MusicAlbum
date published: 2006-01-01

I Want You - En la Democracia de mi Ombligo
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date published: 2006-01-01

Al Borde Del Abismo
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date published: 2006-01-01

Antiimperialista
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date published: 2009-01-01
track: Un Corte de Manga
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  genre: ska punk
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  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
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    date published: 2026-07-03T09:04:44Z
  audio: Un Corte de Manga
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    additional property: Danceability
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Abeerraciones
type: MusicAlbum
date published: 2011
track: Padre Nuestro
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  genre: punk
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-04T11:19:20Z
  audio: Padre Nuestro
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El irremediable camino a la violencia
type: MusicAlbum
date published: 2013-10-16

El Irremediable Camino a la Violencia
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track: Tan Frágil
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-11T21:52:36Z
  audio: Tan Frágil
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Que Siga la Fiesta
type: MusicAlbum
date published: 2018-11-02

Ahora Que...
type: MusicAlbum
date published: 2020-04-24

Consume o Muere
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date published: 2020-07-24

El Rebaño
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date published: 2020-10-09

El Hambre Grita (2020)
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track: El Hambre Grita - 2020
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  genre: ska
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T22:37:47Z
  audio: El Hambre Grita - 2020
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Chitón! (Directo 25º Aniversario)
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date published: 2021-04-23

Solo Era un Salvaje (Directo 25º Aniversario)
type: MusicAlbum
date published: 2021-05-21

Soy la Ley (Directo 25º Aniversario)
type: MusicAlbum
date published: 2021-07-09

El Laberinto de la Existencia (Directo 25º Aniversario)
type: MusicAlbum
date published: 2021-08-27

Tu Tranquilo y a Lo Tuyo (Directo 25º Aniversario)
type: MusicAlbum
date published: 2021-09-24

Que Desidia! (Directo 25º Aniversario)
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date published: 2021-10-14

Aún puedo esperar (Directo 25º Aniversario)
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date published: 2021-11-19

Antiimperialista (Directo 25º Aniversario)
type: MusicAlbum
date published: 2021-12-29

Miami's way of life (Directo 25º Aniversario)
type: MusicAlbum
date published: 2022-01-27

25 años en las cloacas (Directo 25º Aniversario)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T04:03:57Z
  audio: Ignorante - Directo 25º Aniversario
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track: Yo tampoco soy tonto - Directo 25º Aniversario
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-11T23:13:54Z
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track: El rebaño - Directo 25º Aniversario
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: El rebaño - Directo 25º Aniversario
track: El Laberinto de la Existencia - Directo 25º Aniversario
track: La reina y yo - Directo 25º Aniversario
track: Aún puedo esperar - Directo 25º Aniversario

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-20T21:52:24Z

El rebaño - Directo 25º Aniversario
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El Laberinto de la Existencia - Directo 25º Aniversario
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La reina y yo - Directo 25º Aniversario
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audio: La reina y yo - Directo 25º Aniversario
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Aún puedo esperar - Directo 25º Aniversario
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