Nika y Matsu
type: MusicGroup
genre: lullaby
popularity: 16
followers: 679
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff7bcdeecd9c0b1c52123190d349d85d40f8a9bb5fcdfecc155c8e7784fbfc98
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953817
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953817
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f92de8a6-cae2-4507-81a7-4ff3f1f6c996.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f92de8a6-cae2-4507-81a7-4ff3f1f6c996.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f92de8a6-cae2-4507-81a7-4ff3f1f6c996
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T18:10:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff7bcdeecd9c0b1c52123190d349d85d40f8a9bb5fcdfecc155c8e7784fbfc98. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f92de8a6-cae2-4507-81a7-4ff3f1f6c996.json and https://artists.proofprofile.net/proofs/artist/f92de8a6-cae2-4507-81a7-4ff3f1f6c996.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T18:10:31Z
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album: Chumbala Cachumbala
  type: MusicAlbum
  date published: 2021-10-22
album: La Vaca Lola
  type: MusicAlbum
  date published: 2021-10-29
album: Chu Chu Ua
  type: MusicAlbum
  date published: 2021-11-05
album: A Mi Burro le Duele la Cabeza
  type: MusicAlbum
  date published: 2021-11-19
album: Estrellita, ¿Dónde Estás?
  type: MusicAlbum
  date published: 2021-11-26
album: Estrellita, ¿Dónde Estás?
  type: MusicAlbum
  date published: 2021-11-26
  track: Estrellita, ¿Dónde Estás?
    type: MusicRecording
    duration: PT2M21S
    duration ms: 141967
    explicit: false
    by artist: Nika y Matsu
    in album: Estrellita, ¿Dónde Estás?
      type: MusicAlbum
      date published: 2021-11-26
    genre: lullaby
    isrc code: ES5022102029
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T23:01:24+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xca5ec2e15617e5fb1c812e171dbeac9d8e6ac75ed1dc952cb67774f68be4440b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958627
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958627
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5022102029
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T23:33:54Z
    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 0xca5ec2e15617e5fb1c812e171dbeac9d8e6ac75ed1dc952cb67774f68be4440b. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/ES5022102029.
      date published: 2026-07-18T23:33:54Z
    audio: Estrellita, ¿Dónde Estás?
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 175.798
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.536
      additional property: Energy
        type: PropertyValue
        value: 0.217
      additional property: Speechiness
        type: PropertyValue
        value: 0.055
      additional property: Acousticness
        type: PropertyValue
        value: 0.901
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.002
      additional property: Liveness
        type: PropertyValue
        value: 0.16
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.159
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.498
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: La Mané
  type: MusicAlbum
  date published: 2021-12-03
album: Llegó La Navidad
  type: MusicAlbum
  date published: 2021-12-10
album: El Grillo No Se Lava El Pie
  type: MusicAlbum
  date published: 2021-12-24
album: Soy Una Taza
  type: MusicAlbum
  date published: 2021-12-31
album: Cinco Monitos
  type: MusicAlbum
  date published: 2022-01-14
album: Cabeza Hombro Rodilla Pie
  type: MusicAlbum
  date published: 2022-01-21
  track: Cabeza Hombro Rodilla Pie
    type: MusicRecording
    duration: PT1M56S
    duration ms: 116257
    explicit: false
    by artist: Nika y Matsu
    in album: Cabeza Hombro Rodilla Pie
      type: MusicAlbum
      date published: 2022-01-21
    genre: lullaby
    isrc code: ES5022102743
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T10:05:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9817dba50d97687cbd9644d0851f8f4ddb42c3dac802ddc01d76b8c4de9d1669
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958276
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958276
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5022102743
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T13:05:06Z
    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 0x9817dba50d97687cbd9644d0851f8f4ddb42c3dac802ddc01d76b8c4de9d1669. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T13:05:06Z), 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/ES5022102743.
      date published: 2026-07-16T13:05:06Z
    audio: Cabeza Hombro Rodilla Pie
album: La Granja De Mi Tia
album: Si Tú Tienes Muchas Ganas
album: El Baile del Sapito
album: Un Elefante Se Balanceaba
album: El Patio de Mi Casa
album: Aram Sam Sam
album: Tengo Una Hormiguita
album: Canta y Baila Con Nika y Matsu
album: Bananas
album: Tik Tak las horas del reloj
album: Me lavo los dientes
album: Mi gatito japonés
album: Todo el mundo está feliz
album: Shake your body
album: Juan Paco Pedro de la Mar
album: Crocki Crocki
album: Cumpleaños feliz
album: Los Meses del Año
album: El cuento del Gusanito
album: Bartolito
album: ¡Queso!
album: Los miedos
album: Truco Trato
album: El Brujito de Gulubú
album: La Brujita Tapita
album: Rodolfo El Reno
album: Es Navidad Ya
album: Arre Borriquito
album: Despierta Hoy Es Navidad
album: Navidad Navidad Dulce Navidad
album: Feliz Año Nuevo
album: Family Dance
album: Mi pollito amarillo
album: Yo Tengo Una Casita
album: Todo Todo
album: El Ejercicio De La Sonrisa
album: Canciones Divertidas Para Niños Con Nika y Matsu
album: Vaca Lola

Cabeza Hombro Rodilla Pie
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 108.492
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.579
additional property: Energy
  type: PropertyValue
  value: 0.767
additional property: Speechiness
  type: PropertyValue
  value: 0.247
additional property: Acousticness
  type: PropertyValue
  value: 0.404
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.275
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.839
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.394
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

La Granja De Mi Tia
type: MusicAlbum
date published: 2022-01-28

Si Tú Tienes Muchas Ganas
type: MusicAlbum
date published: 2022-02-11

El Baile del Sapito
type: MusicAlbum
date published: 2022-02-18

Un Elefante Se Balanceaba
type: MusicAlbum
date published: 2022-02-25

El Patio de Mi Casa
type: MusicAlbum
date published: 2022-03-11

Aram Sam Sam
type: MusicAlbum
date published: 2022-03-18
track: Aram Sam Sam
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118015
  explicit: false
  by artist: Nika y Matsu
  in album: Aram Sam Sam
    type: MusicAlbum
    date published: 2022-03-18
  genre: lullaby
  isrc code: ES5022200086
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T16:53:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xded7891f62e6bf5819711c448736e347d1159e10cefab4b36722ba0ae4879550
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958765
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958765
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5022200086
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T19:56:28Z
  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 0xded7891f62e6bf5819711c448736e347d1159e10cefab4b36722ba0ae4879550. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T19:56:28Z), 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/ES5022200086.
    date published: 2026-07-19T19:56:28Z
  audio: Aram Sam Sam
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.009
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.49
    additional property: Energy
      type: PropertyValue
      value: 0.764
    additional property: Speechiness
      type: PropertyValue
      value: 0.158
    additional property: Acousticness
      type: PropertyValue
      value: 0.07
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.493
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.701
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.179
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Tengo Una Hormiguita
type: MusicAlbum
date published: 2022-04-08

Canta y Baila Con Nika y Matsu
type: MusicAlbum
date published: 2022-04-28
track: Los Dias de la Semana
  type: MusicRecording
  duration: PT2M28S
  duration ms: 148740
  explicit: false
  by artist: Nika y Matsu
  in album: Canta y Baila Con Nika y Matsu
    type: MusicAlbum
    date published: 2022-04-28
  genre: lullaby
  isrc code: ES5022201151
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T10:10:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfc07e2d3bd55573dd2278f95a2d10420488c9aa3d843094156d2cdfeec0a1cad
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958276
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958276
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5022201151
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T13:07:25Z
  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 0xfc07e2d3bd55573dd2278f95a2d10420488c9aa3d843094156d2cdfeec0a1cad. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T13:07:25Z), 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/ES5022201151.
    date published: 2026-07-16T13:07:25Z
  audio: Los Dias de la Semana
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.988
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.958
    additional property: Energy
      type: PropertyValue
      value: 0.714
    additional property: Speechiness
      type: PropertyValue
      value: 0.31
    additional property: Acousticness
      type: PropertyValue
      value: 0.093
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.037
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.54
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.678
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Hay Un Ratoncito En El Jardín
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146299
  explicit: false
  by artist: Nika y Matsu
  in album: Canta y Baila Con Nika y Matsu
    type: MusicAlbum
    date published: 2022-04-28
  genre: lullaby
  isrc code: ES5022200986
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T20:56:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x38298c222195203b3ab8867d2d2c2d0aa66cb8ed170cf99ebebaae1b684d9fb5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958931
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958931
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5022200986
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T21:15:01Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38298c222195203b3ab8867d2d2c2d0aa66cb8ed170cf99ebebaae1b684d9fb5. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/ES5022200986.
    date published: 2026-07-20T21:15:01Z
  audio: Hay Un Ratoncito En El Jardín
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.969
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.922
    additional property: Energy
      type: PropertyValue
      value: 0.695
    additional property: Speechiness
      type: PropertyValue
      value: 0.065
    additional property: Acousticness
      type: PropertyValue
      value: 0.383
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.919
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.626
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: El Grillo No Se Lava El Pie
  type: MusicRecording
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  duration ms: 140413
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  by artist: Nika y Matsu
  in album: Canta y Baila Con Nika y Matsu
    type: MusicAlbum
    date published: 2022-04-28
  genre: lullaby
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-05T06:03:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x98442b9ef7048ff3f71f0d58699b861b84fbc3b13f13962c77f0868a8a872382
  additional property: OTSHash
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  additional property: OTSTimestamp
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  subject of: OpenTimestamps Proof of Existence
  audio: El Grillo No Se Lava El Pie
track: La Jirafa Rafaela
track: El Rap De Las Vocales

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5022102449

OTSTimestamp
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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 0x98442b9ef7048ff3f71f0d58699b861b84fbc3b13f13962c77f0868a8a872382. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/ES5022102449.
date published: 2026-07-05T10:01:46Z

El Grillo No Se Lava El Pie
type: AudioObject
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additional property: Musical Key
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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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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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La Jirafa Rafaela
type: MusicRecording
duration: PT2M44S
duration ms: 164831
explicit: false
by artist: Nika y Matsu
in album: Canta y Baila Con Nika y Matsu
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  date published: 2022-04-28
genre: lullaby
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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/ES5022201152
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 0x5a03b0418af7bde358d841f71be151562096e1bc59ea7aa848074cfb12fbd8ff. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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/ES5022201152.
  date published: 2026-07-18T15:39:25Z
audio: La Jirafa Rafaela
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  additional property: Danceability
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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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El Rap De Las Vocales
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duration: PT1M56S
duration ms: 116388
explicit: false
by artist: Nika y Matsu
in album: Canta y Baila Con Nika y Matsu
  type: MusicAlbum
  date published: 2022-04-28
genre: lullaby
isrc code: ES5022201153
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5022201153
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0a130c3cf03c7518e519623b4e9739b4d4008fd929c185f162d386ef48167d. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:31:36Z), 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/ES5022201153.
  date published: 2026-07-19T18:31:36Z
audio: El Rap De Las Vocales
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  additional property: Musical Key
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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: Acousticness
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  additional property: Valence (Positivity)
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Bananas
type: MusicAlbum
date published: 2024-02-21

Tik Tak las horas del reloj
type: MusicAlbum
date published: 2024-02-23

Me lavo los dientes
type: MusicAlbum
date published: 2024-02-23

Mi gatito japonés
type: MusicAlbum
date published: 2024-02-23

Todo el mundo está feliz
type: MusicAlbum
date published: 2024-03-04
track: Todo el mundo está feliz
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    type: MusicAlbum
    date published: 2024-03-04
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  additional property: OTSVerificationAPI
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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 0x9de4b5ca8c7260c63bc54dc939a4ea6036593494503f34969e6717c7929e55ba. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/ES71G2405513.
    date published: 2026-07-04T14:03:39Z
  audio: Todo el mundo está feliz
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    additional property: Musical Key
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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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    additional property: Valence (Positivity)
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Shake your body
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date published: 2024-03-25

Juan Paco Pedro de la Mar
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date published: 2024-05-01
track: Juan Paco Pedro de la Mar
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc53146896c368c3f5c42e98b26418f31a624f2e0011210c7d4169471523720c9. 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/ES71G2410948.
    date published: 2026-07-03T21:18:05Z
  audio: Juan Paco Pedro de la Mar
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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Crocki Crocki
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date published: 2024-05-14

Cumpleaños feliz
type: MusicAlbum
date published: 2024-06-03

Los Meses del Año
type: MusicAlbum
date published: 2024-07-03

El cuento del Gusanito
type: MusicAlbum
date published: 2024-07-26

Bartolito
type: MusicAlbum
date published: 2024-08-02

¡Queso!
type: MusicAlbum
date published: 2024-09-06

Los miedos
type: MusicAlbum
date published: 2024-09-27

Truco Trato
type: MusicAlbum
date published: 2024-09-28

El Brujito de Gulubú
type: MusicAlbum
date published: 2024-10-04

La Brujita Tapita
type: MusicAlbum
date published: 2024-10-04

Rodolfo El Reno
type: MusicAlbum
date published: 2024-11-08

Es Navidad Ya
type: MusicAlbum
date published: 2024-11-15

Arre Borriquito
type: MusicAlbum
date published: 2024-11-23

Despierta Hoy Es Navidad
type: MusicAlbum
date published: 2024-12-06

Navidad Navidad Dulce Navidad
type: MusicAlbum
date published: 2024-12-13

Feliz Año Nuevo
type: MusicAlbum
date published: 2024-12-27

Family Dance
type: MusicAlbum
date published: 2025-01-17

Mi pollito amarillo
type: MusicAlbum
date published: 2025-01-24

Yo Tengo Una Casita
type: MusicAlbum
date published: 2025-01-31

Todo Todo
type: MusicAlbum
date published: 2025-02-14

El Ejercicio De La Sonrisa
type: MusicAlbum
date published: 2025-02-21

Canciones Divertidas Para Niños Con Nika y Matsu
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date published: 2025-03-19

Vaca Lola
type: MusicAlbum
date published: 2025-06-27