Quiero 24
type: MusicGroup
genre: tango
popularity: 6
followers: 1006
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 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 0x9aafdc5fc208d1105b3878c996fa508b62a9342a458009254a9f7f1fe941c34a. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f6434f84-127a-4696-bf8b-e102406104e7.json and https://artists.proofprofile.net/proofs/artist/f6434f84-127a-4696-bf8b-e102406104e7.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T15:47:51Z
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album: Q24
  type: MusicAlbum
  date published: 2008-06-20
album: Las Viejas Son Mejores
  type: MusicAlbum
  date published: 2014-10-04
album: Sean Eternos los Placeres
  type: MusicAlbum
  date published: 2016-10-04
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    in album: Sean Eternos los Placeres
      type: MusicAlbum
      date published: 2016-10-04
    genre: tango
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    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA821611712
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-31T15:20:15Z
    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 0xcb95a4f22fba9ed08f802e1c1b5384983c89e216e23d424867ea99f025bc65fd. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA821611712 — a six-check JSON result.
      date published: 2026-07-31T15:20:15Z
    audio: Soy
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      additional property: Danceability
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      additional property: Speechiness
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
        type: PropertyValue
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  track: Bar Notable
    type: MusicRecording
    duration: PT3M58S
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    by artist: Quiero 24
    in album: Sean Eternos los Placeres
      type: MusicAlbum
      date published: 2016-10-04
    genre: tango
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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      value: 2026-07-30T15:42:38Z
    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
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      date published: 2026-07-30T15:42:38Z
    audio: Bar Notable
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      additional property: Mode (Major/Minor)
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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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      additional property: Acousticness
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      additional property: Instrumentalness
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        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: La Tierra Tiembla
album: La Milonga del Kilo
album: Cambio Dolar
album: Maxi y Darío
album: Morocha Triste
album: Asesinan la Pasión
album: Corazón de Papel
album: Cambio Dólar (Remix)
album: Vieja Escuela 90
album: El Farolito
album: El Porvenir
album: Murguita Del Sur
album: Homero

Liveness
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value: 0.081

Valence (Positivity)
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value: 0.695

Loudness (dB)
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value: -11.389

Key Name
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value: C#

Mode Name
type: PropertyValue
value: Minor

La Tierra Tiembla
type: MusicRecording
duration: PT3M1S
duration ms: 181210
explicit: false
by artist: Quiero 24
in album: Sean Eternos los Placeres
  type: MusicAlbum
  date published: 2016-10-04
genre: tango
isrc code: ARA821611720
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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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 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 0x9e15d82105d5ae14d0825aa0adaa55caa002ab674302b2a0ada884a7557d6f66. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA821611720 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: La Tierra Tiembla
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: 2
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
    value: 0.329
  additional property: Valence (Positivity)
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    value: 0.803
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.913
  additional property: Key Name
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Sean Eternos los Placeres
type: MusicAlbum
date published: 2016-10-04

Las Viejas Son Mejores
type: MusicAlbum
date published: 2016-10-18

La Milonga del Kilo
type: MusicAlbum
date published: 2017-07-26

La Milonga del Kilo
type: MusicAlbum
date published: 2017-10-04

Cambio Dolar
type: MusicAlbum
date published: 2019-10-04

Cambio Dolar
type: MusicAlbum
date published: 2019-10-10

Maxi y Darío
type: MusicAlbum
date published: 2022-04-29

Morocha Triste
type: MusicAlbum
date published: 2022-08-12

Asesinan la Pasión
type: MusicAlbum
date published: 2022-09-23

Corazón de Papel
type: MusicAlbum
date published: 2022-11-11

Cambio Dólar (Remix)
type: MusicAlbum
date published: 2022-12-20

Vieja Escuela 90
type: MusicAlbum
date published: 2023-12-22

El Farolito
type: MusicAlbum
date published: 2024-05-31

El Porvenir
type: MusicAlbum
date published: 2024-09-11

Murguita Del Sur
type: MusicAlbum
date published: 2024-10-25

Homero
type: MusicAlbum
date published: 2025-01-31