René Álvarez
type: MusicGroup
genre: son cubano
popularity: 4
followers: 472
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6fecfeb6a1b8846eecc89b9fb00310f69da295f8b4d0803d384254c4e6c274fd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954031
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954031
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ac27582-1f5a-4e9d-ba45-ac36d194f210.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ac27582-1f5a-4e9d-ba45-ac36d194f210.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3ac27582-1f5a-4e9d-ba45-ac36d194f210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T01:43:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6fecfeb6a1b8846eecc89b9fb00310f69da295f8b4d0803d384254c4e6c274fd","name":"René Álvarez","registered_at":"2026-06-16T10:02:53Z","symbol":"NIM1017351","token_address":"0xbe0a627ef4543c6b9f0fedae9cae34a69543d7dd","type":"artist","uuid":"3ac27582-1f5a-4e9d-ba45-ac36d194f210"}
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 0x6fecfeb6a1b8846eecc89b9fb00310f69da295f8b4d0803d384254c4e6c274fd. Chain 2 (Bitcoin): anchored in block 954031 (2026-06-17T01:43:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ac27582-1f5a-4e9d-ba45-ac36d194f210.json and https://artists.proofprofile.net/proofs/artist/3ac27582-1f5a-4e9d-ba45-ac36d194f210.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T01:43:23Z
  text: {"copyright_id":"0x6fecfeb6a1b8846eecc89b9fb00310f69da295f8b4d0803d384254c4e6c274fd","name":"René Álvarez","registered_at":"2026-06-16T10:02:53Z","symbol":"NIM1017351","token_address":"0xbe0a627ef4543c6b9f0fedae9cae34a69543d7dd","type":"artist","uuid":"3ac27582-1f5a-4e9d-ba45-ac36d194f210"}
album: No Tiene Telaraña
  type: MusicAlbum
  date published: 2015-02-03
album: Nuestros Boleros
  type: MusicAlbum
  date published: 2014-09-17
album: Los Colores del Son, Vol.7
  type: MusicAlbum
  date published: 2013-07-24
  track: Consuélate Como Yo - Rumba Guaguancó
    type: MusicRecording
    duration: PT2M42S
    duration ms: 162105
    explicit: false
    by artist: Conjunto Senén Suárez
    by artist: Miguel Hernandez
    by artist: Senén Suárez
    in album: Los Colores del Son, Vol.7
      type: MusicAlbum
      date published: 2013-07-24
    isrc code: QMFMF1386101
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T06:02:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa5656797845b1ca2b07f65b7b1ceb18e75141ba28f666f78a488789fff4ddbc8
    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/QMFMF1386101
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:20:19Z
    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 0xa5656797845b1ca2b07f65b7b1ceb18e75141ba28f666f78a488789fff4ddbc8. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF1386101.
      date published: 2026-07-08T03:20:19Z
    audio: Consuélate Como Yo - Rumba Guaguancó
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 123.645
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.573
      additional property: Energy
        type: PropertyValue
        value: 0.553
      additional property: Speechiness
        type: PropertyValue
        value: 0.097
      additional property: Acousticness
        type: PropertyValue
        value: 0.968
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.122
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.934
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.72
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Los Colores del Son, Vol.5
  type: MusicAlbum
  date published: 2013-06-05
album: Los Colores del Son, Vol.8
  type: MusicAlbum
  date published: 2013-10-30
album: Los Colores del Son, Vol.3
  type: MusicAlbum
  date published: 2013-04-14
album: Soneros, Vol.1
  type: MusicAlbum
  date published: 2013-02-28
album: 50 Hits de la Vieja Radio Cubana Vol. 11
  type: MusicAlbum
  date published: 2015-05-01
album: 50 Hits de la Vieja Radio Cubana Vol. 7
  type: MusicAlbum
  date published: 2015-05-01
album: 50 Hits de la Vieja Radio Cubana Vol. 5
  type: MusicAlbum
  date published: 2015-05-01
album: 50 Hits de la Vieja Radio Cubana Vol. 9
  type: MusicAlbum
  date published: 2015-05-01
album: Best Of Discos Fidel, Vol. 2 - Tesoros Musicales Desde Cuba
  type: MusicAlbum
  date published: 2020-01-07
album: Afrocubano, Vol.2
  type: MusicAlbum
  date published: 2013-08-12
album: Just for Fun Latin Salsa
  type: MusicAlbum
  date published: 2014-05-06
album: Splash Caribe
  type: MusicAlbum
  date published: 2014-05-06
album: Perlas Cubanas: Soñando en la Playa
  type: MusicAlbum
  date published: 2014-11-27
  track: Calyla - Caly - Bembé
album: The Music of Cuba / Boleros & Sones / Recordings 1948 - 1950, Vol. 2
  type: MusicAlbum
  date published: 2010-06-20
  track: Lindo Yambu
album: Yumbalé
  type: MusicAlbum
  date published: 2009-01-06
album: Splash Salsa
  type: MusicAlbum
  date published: 2014-11-17
  track: Provócame
    type: MusicRecording
    duration: PT4M36S
    duration ms: 276664
    explicit: false
    by artist: Raphy Leavitt
    by artist: La Selecta
    in album: Splash Salsa
      type: MusicAlbum
      date published: 2014-11-17
    isrc code: ES5531227497
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-26T19:47:26+00:00
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Provócame
album: Words
album: Blanca luna
album: 50 Hits de la Vieja Radio Cubana Vol. 8
album: Best Of Discos Fidel, Vol. 1 - Tesoros Musicales Desde Cuba
album: Cuba Chá, Vol.2
album: 100 Cubanos de los 50
album: Trilogía Sonera: Chappotín, Luis Santí y Severino Ramos
album: Memorias de la Habana, Vol.2
album: De Cuba, La Guajira y el Son
album: 50 Hits de la Vieja Radio Cubana Vol. 4
album: Montuno Cubano, Vol.1
album: Always Cuba Vol. 2
album: Always Cuba Vol. 5
album: Always Cuba Vol. 1
album: Perlas Cubanas: "Chappottin y Sus Estrellas"
album: Una Noche en New York: Arsenio Rodríguez y Conjunto Casino

Calyla - Caly - Bembé
type: MusicRecording
duration: PT2M24S
duration ms: 144903
explicit: false
by artist: René Álvarez
in album: Perlas Cubanas: Soñando en la Playa
  type: MusicAlbum
  date published: 2014-11-27
isrc code: QM6MZ1414706
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T23:46:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b0c37a34cd8d154aed37d7b4f15af00cb7e795b46184e68b82afe8ee0a23c6f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1414706
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
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: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+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 0x8b0c37a34cd8d154aed37d7b4f15af00cb7e795b46184e68b82afe8ee0a23c6f. 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/QM6MZ1414706.
  date published: 2026-07-08T03:22:41Z
audio: Calyla - Caly - Bembé
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.916
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.611
  additional property: Energy
    type: PropertyValue
    value: 0.524
  additional property: Speechiness
    type: PropertyValue
    value: 0.162
  additional property: Acousticness
    type: PropertyValue
    value: 0.768
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.315
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.65
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.154
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lindo Yambu
type: MusicRecording
duration: PT3M16S
duration ms: 196480
explicit: false
by artist: René Álvarez
by artist: Los Astras
by artist: Ruben Gonzales
in album: The Music of Cuba / Boleros & Sones / Recordings 1948 - 1950, Vol. 2
  type: MusicAlbum
  date published: 2010-06-20
isrc code: GRHR11009802
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T23:24:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7bb478dcd9048ac9adcfc7e179b083e9a520c8e2e9a845040b21404bbdcaa590
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRHR11009802
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+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: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+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 0x7bb478dcd9048ac9adcfc7e179b083e9a520c8e2e9a845040b21404bbdcaa590. 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/GRHR11009802.
  date published: 2026-07-08T03:53:27Z
audio: Lindo Yambu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.176
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.714
  additional property: Energy
    type: PropertyValue
    value: 0.423
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.037
  additional property: Liveness
    type: PropertyValue
    value: 0.288
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.888
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.982
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Amor verdadero (Guajira Son)
type: MusicRecording
duration: PT2M40S
duration ms: 160052
explicit: false
by artist: Chappottín
by artist: Miguelito Cuní
by artist: René Álvarez
by artist: Cheo Marquetti
in album: Blanca luna
  type: MusicAlbum
  date published: 2018-04-01
isrc code: BGA261846118
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:34:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc9a80257a92eb10956ce18acc53f4bd18521a2ccbdfdcfaf47ff5fad0da39217
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/BGA261846118
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 0xc9a80257a92eb10956ce18acc53f4bd18521a2ccbdfdcfaf47ff5fad0da39217. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BGA261846118.
  date published: 2026-07-08T03:20:19Z
audio: Amor verdadero (Guajira Son)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.201
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.644
  additional property: Energy
    type: PropertyValue
    value: 0.434
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.014
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.637
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.363
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Cabio sile yeyeo (Son Montuno)
type: MusicRecording
duration: PT2M20S
duration ms: 140747
explicit: false
by artist: Chappottín
by artist: Miguelito Cuní
by artist: René Álvarez
by artist: Cheo Marquetti
in album: Blanca luna
  type: MusicAlbum
  date published: 2018-04-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22ef611c475b2506d9b3d518e3f794bb81c463f62e69d9e623467b3b77969ff5. Chain 2 (Bitcoin): anchored in block 960210 (2026-07-30T05:21:45Z), 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/BGA261846114.
  date published: 2026-07-30T05:21:45Z
audio: Cabio sile yeyeo (Son Montuno)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 157.732
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.51
  additional property: Energy
    type: PropertyValue
    value: 0.601
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.832
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.021
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.94
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.48
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: BGA261846114
additional property: CopyrightID
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: 960210
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T05:21:45+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BGA261846114
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960210
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:21:45+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

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x7069f24104757484440593508611bd2475ea127560cd22fdeb17f5ef7a940506

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956312

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956312

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5531227497

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

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 0x7069f24104757484440593508611bd2475ea127560cd22fdeb17f5ef7a940506. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ES5531227497.
date published: 2026-07-02T05:09:12Z

Provócame
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 164.302
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: 0.662
additional property: Energy
  type: PropertyValue
  value: 0.852
additional property: Speechiness
  type: PropertyValue
  value: 0.051
additional property: Acousticness
  type: PropertyValue
  value: 0.639
additional property: Instrumentalness
  type: PropertyValue
  value: 0.002
additional property: Liveness
  type: PropertyValue
  value: 0.06
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.829
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.071
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Words
type: MusicAlbum
date published: 2011-05-23
track: In the Space of Now
  type: MusicRecording
  duration: PT6M14S
  duration ms: 374537
  explicit: false
  by artist: Jeffrey Taylor
  by artist: Brian Arbor
  by artist: George French
  by artist: Lynden Bair
  by artist: Paul Saccone
  by artist: words by Eckhart Tolle
  by artist: Michael Nguyen
  by artist: Kevin Robison
  by artist: Logan Alexander
  by artist: Ping Toh
  by artist: Melvin Fujikawa
  by artist: Carlton Lowe
  by artist: Kim Boyd
  by artist: Steve Harvey
  by artist: Michael Woo
  by artist: Michael W. Levy
  by artist: Skip Leasure
  by artist: David Jenkins
  in album: Words
    type: MusicAlbum
    date published: 2011-05-23
  isrc code: USSVU1100004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:19:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x845790f21323c6c92c0f7d92550b5259f2e7bd5d66032a035aeef7778887463e
  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/USSVU1100004
  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 0x845790f21323c6c92c0f7d92550b5259f2e7bd5d66032a035aeef7778887463e. 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/USSVU1100004.
    date published: 2026-07-08T08:56:20Z
  audio: In the Space of Now
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.103
    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: 0.206
    additional property: Energy
      type: PropertyValue
      value: 0.106
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.95
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.029
    additional property: Liveness
      type: PropertyValue
      value: 0.698
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.041
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.895
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Blanca luna
type: MusicAlbum
date published: 2018-04-01
track: Amor verdadero (Guajira Son)
track: Cabio sile yeyeo (Son Montuno)

50 Hits de la Vieja Radio Cubana Vol. 8
type: MusicAlbum
date published: 2015-05-01

Best Of Discos Fidel, Vol. 1 - Tesoros Musicales Desde Cuba
type: MusicAlbum
date published: 2019-11-20
track: Quiereme Siempre
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176123
  explicit: false
  by artist: Orquesta Aragón
  in album: Best Of Discos Fidel, Vol. 1 - Tesoros Musicales Desde Cuba
    type: MusicAlbum
    date published: 2019-11-20
  genre: orchestra
  genre: salsa
  genre: bolero
  genre: latin-jazz
  genre: son-cubano
  genre: cha-cha-cha
  genre: mambo
  genre: tropical-music
  isrc code: QMBZ91557203
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T00:13:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0a208acf11140b08218191187704fb9e655afa647cfb800fa49065e485dd9811
  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/QMBZ91557203
  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 0x0a208acf11140b08218191187704fb9e655afa647cfb800fa49065e485dd9811. 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/QMBZ91557203.
    date published: 2026-07-08T03:53:27Z
  audio: Quiereme Siempre
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.269
    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: 0.49
    additional property: Energy
      type: PropertyValue
      value: 0.506
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.575
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.014
    additional property: Liveness
      type: PropertyValue
      value: 0.063
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.84
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.995
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Cuba Chá, Vol.2
type: MusicAlbum
date published: 2014-01-24

100 Cubanos de los 50
type: MusicAlbum
date published: 2015-02-12

Trilogía Sonera: Chappotín, Luis Santí y Severino Ramos
type: MusicAlbum
date published: 2013-11-04

Memorias de la Habana, Vol.2
type: MusicAlbum
date published: 2013-04-14

De Cuba, La Guajira y el Son
type: MusicAlbum
date published: 2014-07-28

50 Hits de la Vieja Radio Cubana Vol. 4
type: MusicAlbum
date published: 2015-05-01

Montuno Cubano, Vol.1
type: MusicAlbum
date published: 2014-01-24

Always Cuba Vol. 2
type: MusicAlbum
date published: 2015-03-03

Always Cuba Vol. 5
type: MusicAlbum
date published: 2015-03-03

Always Cuba Vol. 1
type: MusicAlbum
date published: 2015-03-02

Perlas Cubanas: "Chappottin y Sus Estrellas"
type: MusicAlbum
date published: 2014-06-20

Una Noche en New York: Arsenio Rodríguez y Conjunto Casino
type: MusicAlbum
date published: 2013-09-27