Cascarita
type: MusicGroup
genre: guaracha
genre: son cubano
description: Orlando Guerra (gayr'-rah; September 14, 1920 – March 20, 1973), better known as Cascarita, was a popular Cuban singer who specialized in guaracha and son montuno. He became one of Cuba's most famous
popularity: 7
followers: 804
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additional property: OTSCanonicalRecord
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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96b8279600bb35aa6229ccf469de37124cc75558e2911da94adc165ada6e012b. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/107096df-d95c-493f-883c-97e9a2dea81a.json and https://artists.proofprofile.net/proofs/artist/107096df-d95c-493f-883c-97e9a2dea81a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
album: 21 Éxitos: Canciones del Milenio
  type: MusicAlbum
  date published: 2017-05-23
album: Cuban Moods
  type: MusicAlbum
  date published: 2021-02-12
album: 50 Hits de la Vieja Radio Cubana Vol. 2
  type: MusicAlbum
  date published: 2015-04-22
album: Los Colores del Son, Vol.5
  type: MusicAlbum
  date published: 2013-06-05
album: Soneros, Vol.2
  type: MusicAlbum
  date published: 2013-05-18
album: Los Colores del Son, Vol.8
  type: MusicAlbum
  date published: 2013-10-30
album: 50 Aniversario del Triunfo de la Revolución
  type: MusicAlbum
  date published: 2008-12-31
  track: Revolución Cubana
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    by artist: Conjunto Artemiseño
    in album: 50 Aniversario del Triunfo de la Revolución
      type: MusicAlbum
      date published: 2008-12-31
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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 0xd314ed018bd17f5e351aa3c2fa194330c57cbead6c7b78fb17fb903bfe5444cc. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QMFMG1397295.
      date published: 2026-07-08T03:39:04Z
    audio: Revolución Cubana
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  track: Soy Fidelista
    type: MusicRecording
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    by artist: Quinteto Rebelde
    in album: 50 Aniversario del Triunfo de la Revolución
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      date published: 2008-12-31
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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
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b40acc478949b2eb5c63023fdbcef676479cd4579a1262dad15dfa51fcd83b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QMFMG1397275.
      date published: 2026-07-08T03:22:41Z
    audio: Soy Fidelista
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album: Los Colores del Son, Vol.3
album: Guarachas
album: Deja Que Te Mire
album: I Feel It Coming
album: Perlas Cubanas: Cascarita
album: Exitos Cmq 1948
album: Desintegrando
album: ¿que Pasa en el Congo?
album: Noche de Fiesta
album: The Sound of Cuba
album: This Is Cuba!
album: Casa de la trova
album: Memorias del Aire, Vol.3
album: Panart: 70 Aniversario, Vol.1
album: Tropical Extravaganza Vol. 2
album: Mambo Roads
album: Cuba la Vieja Trova
album: Soneros, Vol.1
album: Manisero
album: 50 Hits de la Vieja Radio Cubana Vol. 10
album: 50 Hits de la Vieja Radio Cubana Vol. 11
album: Memorias de la Habana, Vol.8
album: Sazonando
album: Cuban Rumba, Swing y Bebop, Vol.1
album: 50 Hits de la Vieja Radio Cubana Vol. 7
album: Memorias de la Habana, Vol.4
album: Tradición Cubana
album: Cuban Jazz Bands, Vol.1
album: 50 Hits de la Vieja Radio Cubana Vol. 5
album: 50 Hits de la Vieja Radio Cubana Vol. 9
album: Best Of Discos Fidel, Vol. 2 - Tesoros Musicales Desde Cuba
album: Afrocubano, Vol.2
album: Latin Lo Fi (The Sound of South America)
album: Best Of Latin Fever, Vol. 2 - Vintage Latin Hipshakers
album: A romper el coco (Remastered)

La Ultima Noche
type: MusicRecording
duration: PT3M34S
duration ms: 214666
explicit: false
by artist: Cascarita
in album: Deja Que Te Mire
  type: MusicAlbum
  date published: 2022-05-06
genre: son-cubano
isrc code: PLH492240048
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e63ea2bbf11a314c81fd2763ddb9fe9b0e01a66683073dcb5d6b457e6b96f52. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/PLH492240048.
  date published: 2026-07-02T11:34:59Z
audio: La Ultima Noche
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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Juan Sin Traba
type: MusicRecording
duration: PT2M38S
duration ms: 158452
explicit: false
by artist: Cascarita
in album: Perlas Cubanas: Cascarita
  type: MusicAlbum
  date published: 2015-04-05
genre: son-cubano
isrc code: QM4TW1507210
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ff1daffb9ba3d0625022fb718abe9809e6811bdbeec18ea6b32241602acb019. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QM4TW1507210.
  date published: 2026-07-02T03:30:09Z
audio: Juan Sin Traba
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Rumba en Pueblo Nuevo
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duration: PT2M58S
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explicit: false
by artist: Cascarita
in album: Perlas Cubanas: Cascarita
  type: MusicAlbum
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genre: son-cubano
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eb16167acd3120d558ae6d9d1e8c1e0257e61853c68be9c4839880737693e89. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/QM4TW1507208.
  date published: 2026-07-31T04:14:58Z
audio: Rumba en Pueblo Nuevo
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  additional property: Danceability
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additional property: CopyrightID
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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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 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

Puntillita
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duration: PT3M6S
duration ms: 186740
explicit: false
by artist: Cascarita
in album: Perlas Cubanas: Cascarita
  type: MusicAlbum
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genre: son-cubano
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19bec8598c5ec2f43b201eb02a58dde2e3f3e1a8fc919177da61711750d1e301. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QM4TW1507211.
  date published: 2026-07-31T00:26:26Z
audio: Puntillita
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1507211
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
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

La rareza del siglo - Remastered
type: MusicRecording
duration: PT3M10S
duration ms: 190537
explicit: false
by artist: Julio Cueva y su Orquesta
by artist: Cascarita
by artist: Puntillita
in album: A romper el coco (Remastered)
  type: MusicAlbum
  date published: 2015-11-07
isrc code: ES6601504021
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:47:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23ae67bdb7cb5a745627935bb0c2791b4471022fcc17c801bf15154933fd2131
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES6601504021
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23ae67bdb7cb5a745627935bb0c2791b4471022fcc17c801bf15154933fd2131. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/ES6601504021.
  date published: 2026-07-08T03:53:27Z
audio: La rareza del siglo - Remastered
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.736
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.694
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.752
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.062
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Speechiness
type: PropertyValue
value: 0.042

Acousticness
type: PropertyValue
value: 0.93

Instrumentalness
type: PropertyValue
value: 0.019

Liveness
type: PropertyValue
value: 0.204

Valence (Positivity)
type: PropertyValue
value: 0.966

Loudness (dB)
type: PropertyValue
value: -15.404

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Los Colores del Son, Vol.3
type: MusicAlbum
date published: 2013-04-14

Guarachas
type: MusicAlbum
date published: 2024-09-06

Deja Que Te Mire
type: MusicAlbum
date published: 2022-05-06
track: La Ultima Noche

I Feel It Coming
type: MusicAlbum
date published: 2018-10-25

Perlas Cubanas: Cascarita
type: MusicAlbum
date published: 2015-04-05
track: Juan Sin Traba
track: Rumba en Pueblo Nuevo
track: Puntillita

Exitos Cmq 1948
type: MusicAlbum
date published: 2015-01-01

Desintegrando
type: MusicAlbum
date published: 2009-01-06

¿que Pasa en el Congo?
type: MusicAlbum
date published: 2017-11-07

Noche de Fiesta
type: MusicAlbum
date published: 2017-11-07

The Sound of Cuba
type: MusicAlbum
date published: 2017-04-14

This Is Cuba!
type: MusicAlbum
date published: 2014-03-11
track: Adios Compay Gato
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161121
  explicit: false
  by artist: Nico Saquito Y Sus Guarancheros De Oriente
  in album: This Is Cuba!
    type: MusicAlbum
    date published: 2014-03-11
  isrc code: FR6V82295737
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T09:36:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa45d8fea7c8fa84feb795282447a058d569caef3d40643cc373ccf1ba50ff660
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V82295737
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0xa45d8fea7c8fa84feb795282447a058d569caef3d40643cc373ccf1ba50ff660. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FR6V82295737.
    date published: 2026-07-02T03:55:08Z
  audio: Adios Compay Gato
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.732
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.711
    additional property: Energy
      type: PropertyValue
      value: 0.724
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.775
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.962
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.7
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
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Casa de la trova
type: MusicAlbum
date published: 1999-12-13
track: Flor de venganza
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257800
  explicit: false
  by artist: Floricelda Faez
  by artist: Candida Faez
  in album: Casa de la trova
    type: MusicAlbum
    date published: 1999-12-13
  isrc code: FR43D1604008
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T10:06:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x16256ace03517212eef6a89beea6bfd3e0040bcbf4b4ce4079dd2c6bf2e5fa44
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957052
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957052
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR43D1604008
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:50:41Z
  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 0x16256ace03517212eef6a89beea6bfd3e0040bcbf4b4ce4079dd2c6bf2e5fa44. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/FR43D1604008.
    date published: 2026-07-07T14:50:41Z
  audio: Flor de venganza
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.937
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.525
    additional property: Energy
      type: PropertyValue
      value: 0.587
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.524
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.667
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.945
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Cajón del muerto
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217360
  explicit: false
  by artist: Zalda Reyte
  by artist: Alfredo Alonso
  in album: Casa de la trova
    type: MusicAlbum
    date published: 1999-12-13
  isrc code: FR43D1604010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T04:01:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x10910d348f93429728a07dfe748d887c0934d19e3d36894943cd2750db245672
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR43D1604010
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 0x10910d348f93429728a07dfe748d887c0934d19e3d36894943cd2750db245672. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FR43D1604010.
    date published: 2026-07-08T03:53:27Z
  audio: Cajón del muerto
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 156.372
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.55
    additional property: Energy
      type: PropertyValue
      value: 0.564
    additional property: Speechiness
      type: PropertyValue
      value: 0.077
    additional property: Acousticness
      type: PropertyValue
      value: 0.371
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.081
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.783
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.824
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Ella y yo
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183333
  explicit: false
  by artist: Mercedes Ferrin
  by artist: Esperanza Ferrín
  by artist: Orfeón Santiago
  in album: Casa de la trova
    type: MusicAlbum
    date published: 1999-12-13
  isrc code: FR43D1604011
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:24:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x01564db414841d8087d436bab8206c5e3ea61408430822ac624fcdea8cad66fe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957122
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957122
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Ella y yo
track: El misterio de tus ojos

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR43D1604011

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:39:04Z

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 0x01564db414841d8087d436bab8206c5e3ea61408430822ac624fcdea8cad66fe. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FR43D1604011.
date published: 2026-07-08T03:39:04Z

Ella y yo
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 152.373
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.494
additional property: Energy
  type: PropertyValue
  value: 0.264
additional property: Speechiness
  type: PropertyValue
  value: 0.035
additional property: Acousticness
  type: PropertyValue
  value: 0.925
additional property: Instrumentalness
  type: PropertyValue
  value: 0.007
additional property: Liveness
  type: PropertyValue
  value: 0.125
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.595
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.536
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
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El misterio de tus ojos
type: MusicRecording
duration: PT3M43S
duration ms: 223466
explicit: false
by artist: Daniel Castillo
by artist: Zalda Reyte
by artist: Alfredo Alonso
in album: Casa de la trova
  type: MusicAlbum
  date published: 1999-12-13
isrc code: FR43D1604014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:48:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1a4d3fa824eaf16c01f3da36214f2026c04c1c12521d9eb157076e4cbf73243
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR43D1604014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0xb1a4d3fa824eaf16c01f3da36214f2026c04c1c12521d9eb157076e4cbf73243. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FR43D1604014.
  date published: 2026-07-08T08:56:20Z
audio: El misterio de tus ojos
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 152.186
  additional property: Musical Key
    type: PropertyValue
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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
    type: PropertyValue
    value: 0.539
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.689
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Memorias del Aire, Vol.3
type: MusicAlbum
date published: 2013-08-08

Panart: 70 Aniversario, Vol.1
type: MusicAlbum
date published: 2014-01-31
track: Baila Con Ella - Guaracha
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181813
  explicit: false
  by artist: Bienvenido Granda
  by artist: Conjunto Sonora Matancera
  by artist: Rogelio Martinez
  by artist: Caito
  in album: Panart: 70 Aniversario, Vol.1
    type: MusicAlbum
    date published: 2014-01-31
  isrc code: QMBZ91440566
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T04:08:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa4818c28bafeae6d1caf74ef7e83e92916d90d1feab780aff34bf76b8e6c1268
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
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Tropical Extravaganza Vol. 2
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date published: 2013-05-05

Mambo Roads
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date published: 2013-03-25

Cuba la Vieja Trova
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Soneros, Vol.1
type: MusicAlbum
date published: 2013-02-28

Manisero
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50 Hits de la Vieja Radio Cubana Vol. 10
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50 Hits de la Vieja Radio Cubana Vol. 11
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Memorias de la Habana, Vol.8
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Sazonando
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Cuban Rumba, Swing y Bebop, Vol.1
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50 Hits de la Vieja Radio Cubana Vol. 7
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date published: 2015-05-01

Memorias de la Habana, Vol.4
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Tradición Cubana
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Cuban Jazz Bands, Vol.1
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50 Hits de la Vieja Radio Cubana Vol. 5
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50 Hits de la Vieja Radio Cubana Vol. 9
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Best Of Discos Fidel, Vol. 2 - Tesoros Musicales Desde Cuba
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Afrocubano, Vol.2
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Latin Lo Fi (The Sound of South America)
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Best Of Latin Fever, Vol. 2 - Vintage Latin Hipshakers
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date published: 2019-12-21

A romper el coco (Remastered)
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date published: 2015-11-07
track: La rareza del siglo - Remastered