Cachao
type: MusicGroup
genre: latin jazz
genre: mambo
genre: salsa
genre: son cubano
description: Israel López Valdés (September 14, 1918 – March 22, 2008), better known as Cachao ( ), was a Cuban double bassist and composer. Cachao is widely known as the co-creator of the mambo and a master of th
popularity: 36
followers: 39881
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-12T19:24:56Z
album: Cuban Jam Sessions in Miniature "Descargas"
  type: MusicAlbum
  date published: 1957-09-14
album: Redención
  type: MusicAlbum
  date published: 1958-12-23
  track: Mambo
    type: MusicRecording
    duration: PT3M12S
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    by artist: Cachao
    in album: Redención
      type: MusicAlbum
      date published: 1958-12-23
    genre: latin jazz
    genre: mambo
    genre: salsa
    genre: son cubano
    isrc code: DEXO52476893
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-03T21:18:05Z
    audio: Mambo
      type: AudioObject
      additional property: Tempo (BPM)
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album: Presentando a Cachao
  type: MusicAlbum
  date published: 1959-03-10
  track: Descarga Cubana
    type: MusicRecording
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    by artist: Cachao
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      type: MusicAlbum
      date published: 1959-03-10
    genre: latin jazz
    genre: mambo
    genre: salsa
    genre: son cubano
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-18T22:07:13Z
    audio: Descarga Cubana
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 110.201
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        value: 7
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        value: 1
      additional property: Time Signature
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        value: 4
      additional property: Danceability
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album: Descargas
album: Dos
album: Tropical Classics: Cachao (2013 Remastered Version)
album: La Leyenda
album: Walpataca 2
album: Maestro De Maestros Cachao Y Su Descarga
album: Walpataca 1
album: Master Sessions Volume I
album: Cachao: More Legendary Descarga Sessions
album: Master Sessions Vol. II
album: Cuba Linda
album: Monte Adentro
album: Ahora Si
album: Cachao Descargas. The Havana Sessions
album: La Leyenda - 15 Danzones Clasicos
album: Descarga Cubana- Cachao
album: Recuerdos de Latinoamérica- Cachao
album: Cachao Y Su Ritmo Caliente
album: Descargas Cubanas
album: Cuban Music In Jam Session (Digitally Remastered)
album: Descargas cubanas
album: The Last Mambo
album: Cuba: Cachao López
album: Superdanzones
album: Mambo Master
album: Descarga Cubana
album: Descarga Guajira
album: Cuban Jam Session - Remastered
album: Tropical Classics: Cachao
album: Tropical Classics: Cachao (2013 - Remaster)
album: Goza Mi Trompeta
album: Perlas Cubanas: Super Danzones Vol. 2
album: Perlas Cubanas: Super Danzones Vol. 1
album: Perlas Cubanas: Cuban Music In "Jam Session"
album: Latin Giants
album: Perlas Cubanas: Cachao
album: Cachao
album: Danzón (Remasterd)
album: Cachao's Gonna Make You Dance Vol. 1
album: Cachao's Gonna Make You Dance Vol.2
album: Cachao Te Pone a Guarachar!
album: Siboney - La Inconclusa
album: Trombón Criollo - Descarga Nániga
album: El Manisero - La Floresta
album: Tunas Se Quemó - La Luz
album: Cógele El Golpe - Redención
album: A Gozar Timbero - Eso Se Hincha
album: A Bailar Guajira - Oye MI Tres Montuno
album: Guajeo De Saxos - A Buscar Camarones
album: Descarga
album: Panchitín
album: Canta Contrabajo
album: Social Club Buenavista
album: Cuban Jam Sessions In Miniature "Descargas"
album: The Real Cuban Music (Remasterizado)
album: El Inventor del Mambo (Remastered)
album: Siboney (Remastered)

Speechiness
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value: 0.066

Acousticness
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value: 0.524

Instrumentalness
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value: 0.568

Liveness
type: PropertyValue
value: 0.089

Valence (Positivity)
type: PropertyValue
value: 0.677

Loudness (dB)
type: PropertyValue
value: -12.75

Key Name
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value: G

Mode Name
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Descargas
type: MusicAlbum
date published: 1970-01-01

Dos
type: MusicAlbum
date published: 1976

Dos
type: MusicAlbum
date published: 1976

Tropical Classics: Cachao (2013 Remastered Version)
type: MusicAlbum
date published: 1977

La Leyenda
type: MusicAlbum
date published: 1994

Walpataca 2
type: MusicAlbum
date published: 1994-01-01

Maestro De Maestros Cachao Y Su Descarga
type: MusicAlbum
date published: 1994-01-01

Walpataca 1
type: MusicAlbum
date published: 1994-01-01

Master Sessions Volume I
type: MusicAlbum
date published: 1994-07-19

Cachao: More Legendary Descarga Sessions
type: MusicAlbum
date published: 1995-06-05

Master Sessions Vol. II
type: MusicAlbum
date published: 1995-10-03

Cuba Linda
type: MusicAlbum
date published: 2000

Monte Adentro
type: MusicAlbum
date published: 2000-08-29
track: Monte adentro (Cógele el golpe)
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  duration: PT2M41S
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  by artist: Cachao
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    type: MusicAlbum
    date published: 2000-08-29
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T16:51:38Z
  audio: Monte adentro (Cógele el golpe)
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Ahora Si
type: MusicAlbum
date published: 2004

Cachao Descargas. The Havana Sessions
type: MusicAlbum
date published: 2007-08-01

La Leyenda - 15 Danzones Clasicos
type: MusicAlbum
date published: 2008-05-20

Descarga Cubana- Cachao
type: MusicAlbum
date published: 2009-01-25

Recuerdos de Latinoamérica- Cachao
type: MusicAlbum
date published: 2009-12-07

Cachao Y Su Ritmo Caliente
type: MusicAlbum
date published: 2009-12-07

Descargas Cubanas
type: MusicAlbum
date published: 2010

Cuban Music In Jam Session (Digitally Remastered)
type: MusicAlbum
date published: 2010-01-19

Descargas cubanas
type: MusicAlbum
date published: 2010-02-17

The Last Mambo
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date published: 2010-08-31
track: Marianao Social
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    date published: 2010-08-31
  genre: latin jazz
  genre: mambo
  genre: salsa
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T13:35:44Z
  audio: Marianao Social
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track: Africa Viva
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T18:48:28Z
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    additional property: Liveness
      type: PropertyValue
      value: 0.649
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.543
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.902
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Isora Club
  type: MusicRecording
  duration: PT7M24S
  duration ms: 444040
  explicit: false
  by artist: Cachao
  in album: The Last Mambo
    type: MusicAlbum
    date published: 2010-08-31
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
  isrc code: USLTT1000241
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T04:07:57+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: Isora Club
track: Descarga Cachao
track: El Cuarto De Tula (feat. Issac Delgado & Hansel)
track: Yambu

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xa6ecc677ec8939b6b4854fe7a6ca3864cc36a045f0260aeb71a4d42934a6b976

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958489

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958489

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLTT1000241

OTSTimestamp
type: PropertyValue
value: 2026-07-18T04:13:26Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6ecc677ec8939b6b4854fe7a6ca3864cc36a045f0260aeb71a4d42934a6b976. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/USLTT1000241.
date published: 2026-07-18T04:13:26Z

Isora Club
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 107.407
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: 0.697
additional property: Energy
  type: PropertyValue
  value: 0.369
additional property: Speechiness
  type: PropertyValue
  value: 0.049
additional property: Acousticness
  type: PropertyValue
  value: 0.136
additional property: Instrumentalness
  type: PropertyValue
  value: 0.384
additional property: Liveness
  type: PropertyValue
  value: 0.985
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.59
additional property: Loudness (dB)
  type: PropertyValue
  value: -11.179
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Descarga Cachao
type: MusicRecording
duration: PT5M1S
duration ms: 301120
explicit: false
by artist: Cachao
in album: The Last Mambo
  type: MusicAlbum
  date published: 2010-08-31
genre: latin jazz
genre: mambo
genre: salsa
genre: son cubano
isrc code: USLTT1000242
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T21:33:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed29193704094548219bcd8318b71444c2e2391dcb6ba3f244f78026bed96117
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958208
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958208
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLTT1000242
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T00:43:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed29193704094548219bcd8318b71444c2e2391dcb6ba3f244f78026bed96117. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-16T00:43:07Z), 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/USLTT1000242.
  date published: 2026-07-16T00:43:07Z
audio: Descarga Cachao
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.841
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.71
  additional property: Energy
    type: PropertyValue
    value: 0.598
  additional property: Speechiness
    type: PropertyValue
    value: 0.116
  additional property: Acousticness
    type: PropertyValue
    value: 0.581
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.285
  additional property: Liveness
    type: PropertyValue
    value: 0.984
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.694
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.126
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

El Cuarto De Tula (feat. Issac Delgado & Hansel)
type: MusicRecording
duration: PT4M55S
duration ms: 295453
explicit: false
by artist: Cachao
in album: The Last Mambo
  type: MusicAlbum
  date published: 2010-08-31
genre: latin jazz
genre: mambo
genre: salsa
genre: son cubano
isrc code: USLTT1000247
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T23:30:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa5933ed7a831ee56b16bea672b5d34a7f4bdd3142f29b1481268e4e97144e311
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLTT1000247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5933ed7a831ee56b16bea672b5d34a7f4bdd3142f29b1481268e4e97144e311. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USLTT1000247.
  date published: 2026-07-05T01:12:41Z
audio: El Cuarto De Tula (feat. Issac Delgado & Hansel)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.705
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.749
  additional property: Energy
    type: PropertyValue
    value: 0.71
  additional property: Speechiness
    type: PropertyValue
    value: 0.27
  additional property: Acousticness
    type: PropertyValue
    value: 0.762
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.695
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.713
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.142
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Yambu
type: MusicRecording
duration: PT8M44S
duration ms: 524173
explicit: false
by artist: Cachao
in album: The Last Mambo
  type: MusicAlbum
  date published: 2010-08-31
genre: latin jazz
genre: mambo
genre: salsa
genre: son cubano
isrc code: USLTT1000251
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T19:11:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90be4805320f24a560221a3d461d73af7c3755cf646861acdd9c66d094837f5c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLTT1000251
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90be4805320f24a560221a3d461d73af7c3755cf646861acdd9c66d094837f5c. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USLTT1000251.
  date published: 2026-07-03T19:59:51Z
audio: Yambu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.023
  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: 0.54
  additional property: Energy
    type: PropertyValue
    value: 0.648
  additional property: Speechiness
    type: PropertyValue
    value: 0.11
  additional property: Acousticness
    type: PropertyValue
    value: 0.647
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.037
  additional property: Liveness
    type: PropertyValue
    value: 0.659
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.744
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.124
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cuba: Cachao López
type: MusicAlbum
date published: 2010-12-14

Superdanzones
type: MusicAlbum
date published: 2011-07-05

Mambo Master
type: MusicAlbum
date published: 2011-10-24

Descarga Cubana
type: MusicAlbum
date published: 2012-01-17

Descarga Guajira
type: MusicAlbum
date published: 2012-05-22

Cuban Jam Session - Remastered
type: MusicAlbum
date published: 2012-06-18

Tropical Classics: Cachao
type: MusicAlbum
date published: 2013-03-15

Tropical Classics: Cachao (2013 - Remaster)
type: MusicAlbum
date published: 2013-04-23
track: Centro San Augustin (2012 - Remaster)
  type: MusicRecording
  duration: PT5M34S
  duration ms: 334506
  explicit: false
  by artist: Cachao
  in album: Tropical Classics: Cachao (2013 - Remaster)
    type: MusicAlbum
    date published: 2013-04-23
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
  isrc code: USSA49570053
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T12:14:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdbdea635a8d3bf3bf37e5feb7f45b203e678e975c13e1eb20cae803a748e7238
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSA49570053
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbdea635a8d3bf3bf37e5feb7f45b203e678e975c13e1eb20cae803a748e7238. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USSA49570053.
    date published: 2026-07-05T01:12:41Z
  audio: Centro San Augustin (2012 - Remaster)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.975
    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: 0.456
    additional property: Energy
      type: PropertyValue
      value: 0.731
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.342
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.603
    additional property: Liveness
      type: PropertyValue
      value: 0.224
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.962
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.448
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Goza Mi Trompeta
type: MusicAlbum
date published: 2013-06-18

Perlas Cubanas: Super Danzones Vol. 2
type: MusicAlbum
date published: 2014-04-15

Perlas Cubanas: Super Danzones Vol. 1
type: MusicAlbum
date published: 2014-04-15

Perlas Cubanas: Cuban Music In "Jam Session"
type: MusicAlbum
date published: 2014-04-25

Latin Giants
type: MusicAlbum
date published: 2014-05-12

La Leyenda
type: MusicAlbum
date published: 2014-11-14

Perlas Cubanas: Cachao
type: MusicAlbum
date published: 2014-11-27
track: El Manisero
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200063
  explicit: false
  by artist: Cachao
  in album: Perlas Cubanas: Cachao
    type: MusicAlbum
    date published: 2014-11-27
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
  isrc code: QM6MZ1414585
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T14:25:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x04a5b600a43e3c16242fe2d52c784ff7cc18cd13337148b13d64bc5e599efeef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1414585
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04a5b600a43e3c16242fe2d52c784ff7cc18cd13337148b13d64bc5e599efeef. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QM6MZ1414585.
    date published: 2026-07-05T18:48:28Z
  audio: El Manisero
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.096
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.495
    additional property: Energy
      type: PropertyValue
      value: 0.726
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.686
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.007
    additional property: Liveness
      type: PropertyValue
      value: 0.348
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.963
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.919
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Cachao
type: MusicAlbum
date published: 2015-09-20
track: Siboney
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250926
  explicit: false
  by artist: Cachao
  in album: Cachao
    type: MusicAlbum
    date published: 2015-09-20
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
  isrc code: QM6P41559863
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T23:08:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x18ce003f10aaa42ff971d0739e998adb2d88d289c4c4f754d147b82cdffe64ba
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956420
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956420
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6P41559863
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T00:42:11Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18ce003f10aaa42ff971d0739e998adb2d88d289c4c4f754d147b82cdffe64ba. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/QM6P41559863.
    date published: 2026-07-03T00:42:11Z
  audio: Siboney
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.98
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.475
    additional property: Energy
      type: PropertyValue
      value: 0.656
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.743
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.228
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.86
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.529
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Danzón (Remasterd)
type: MusicAlbum
date published: 2016-01-19

Descargas
type: MusicAlbum
date published: 2016-03-14
track: Descarga Cubana
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182543
  explicit: false
  by artist: Cachao
  in album: Descargas
    type: MusicAlbum
    date published: 2016-03-14
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
  isrc code: QMFME1540354
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T11:03:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb27a2bb07ea863077d0eb1788b4e1805d5f7744e7080054383c8abfff0a6c566
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1540354
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb27a2bb07ea863077d0eb1788b4e1805d5f7744e7080054383c8abfff0a6c566. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QMFME1540354.
    date published: 2026-07-05T01:12:41Z
  audio: Descarga Cubana
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.663
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.61
    additional property: Energy
      type: PropertyValue
      value: 0.688
    additional property: Speechiness
      type: PropertyValue
      value: 0.057
    additional property: Acousticness
      type: PropertyValue
      value: 0.667
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.547
    additional property: Liveness
      type: PropertyValue
      value: 0.075
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.604
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.56
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Goza Mi Trompeta
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181133
  explicit: false
  by artist: Cachao
  in album: Descargas
    type: MusicAlbum
    date published: 2016-03-14
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
  isrc code: QMFME1540355
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T21:00:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4e76f69901f9a509a8a9a60e1b447557355d8c8244239318a8d09a5e24bc5ac2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1540355
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e76f69901f9a509a8a9a60e1b447557355d8c8244239318a8d09a5e24bc5ac2. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QMFME1540355.
    date published: 2026-07-06T01:25:57Z
  audio: Goza Mi Trompeta
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.542
    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: 0.619
    additional property: Energy
      type: PropertyValue
      value: 0.565
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.482
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.017
    additional property: Liveness
      type: PropertyValue
      value: 0.08
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.506
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.565
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: A Gozar Timbero
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179696
  explicit: false
  by artist: Cachao
  in album: Descargas
    type: MusicAlbum
    date published: 2016-03-14
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
  isrc code: QMFME1540356
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T19:22:26+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: A Gozar Timbero
track: Sorpresa de Flauta

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xe6de4283e54447bfc0e076ea9f26bbbdf58954192899e30c98f9c1213f4b846d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 959051

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/959051

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1540356

OTSTimestamp
type: PropertyValue
value: 2026-07-21T19:48:03Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6de4283e54447bfc0e076ea9f26bbbdf58954192899e30c98f9c1213f4b846d. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1540356.
date published: 2026-07-21T19:48:03Z

A Gozar Timbero
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 147.207
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.56
additional property: Energy
  type: PropertyValue
  value: 0.75
additional property: Speechiness
  type: PropertyValue
  value: 0.067
additional property: Acousticness
  type: PropertyValue
  value: 0.234
additional property: Instrumentalness
  type: PropertyValue
  value: 0.656
additional property: Liveness
  type: PropertyValue
  value: 0.077
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.911
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.857
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Sorpresa de Flauta
type: MusicRecording
duration: PT2M49S
duration ms: 169926
explicit: false
by artist: Cachao
in album: Descargas
  type: MusicAlbum
  date published: 2016-03-14
genre: latin jazz
genre: mambo
genre: salsa
genre: son cubano
isrc code: QMFME1540357
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T10:15:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x010db84c616bf8ae925ffa21d5b977919b9b39be033eef4dab0ba78bfc7d858d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958720
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958720
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1540357
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T10:53:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x010db84c616bf8ae925ffa21d5b977919b9b39be033eef4dab0ba78bfc7d858d. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/QMFME1540357.
  date published: 2026-07-19T10:53:46Z
audio: Sorpresa de Flauta
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.83
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.803
  additional property: Energy
    type: PropertyValue
    value: 0.493
  additional property: Speechiness
    type: PropertyValue
    value: 0.153
  additional property: Acousticness
    type: PropertyValue
    value: 0.049
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.69
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.754
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.023
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Descargas
type: MusicAlbum
date published: 2016-03-14

Cachao's Gonna Make You Dance Vol. 1
type: MusicAlbum
date published: 2016-05-01

Cachao's Gonna Make You Dance Vol.2
type: MusicAlbum
date published: 2016-05-01

Cachao Te Pone a Guarachar!
type: MusicAlbum
date published: 2016-05-13

Siboney - La Inconclusa
type: MusicAlbum
date published: 2016-05-16

Trombón Criollo - Descarga Nániga
type: MusicAlbum
date published: 2016-05-16

El Manisero - La Floresta
type: MusicAlbum
date published: 2016-05-16

Tunas Se Quemó - La Luz
type: MusicAlbum
date published: 2016-05-16

Cógele El Golpe - Redención
type: MusicAlbum
date published: 2016-05-16

A Gozar Timbero - Eso Se Hincha
type: MusicAlbum
date published: 2016-05-16

A Bailar Guajira - Oye MI Tres Montuno
type: MusicAlbum
date published: 2016-05-16

Guajeo De Saxos - A Buscar Camarones
type: MusicAlbum
date published: 2016-05-16

Descarga
type: MusicAlbum
date published: 2017-03-13

Panchitín
type: MusicAlbum
date published: 2018-03-21

Canta Contrabajo
type: MusicAlbum
date published: 2018-03-21

Social Club Buenavista
type: MusicAlbum
date published: 2018-03-21
track: A gozar timbero
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180186
  explicit: false
  by artist: Cachao
  in album: Social Club Buenavista
    type: MusicAlbum
    date published: 2018-03-21
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
  isrc code: BGA261835802
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T08:12:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8bb7522f1479cb09890ab345d65bc8e75038afaf75bc606cd07500f46d7abee5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958985
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958985
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BGA261835802
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T08:39:15Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb7522f1479cb09890ab345d65bc8e75038afaf75bc606cd07500f46d7abee5. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BGA261835802.
    date published: 2026-07-21T08:39:15Z
  audio: A gozar timbero
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 147.241
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.583
    additional property: Energy
      type: PropertyValue
      value: 0.803
    additional property: Speechiness
      type: PropertyValue
      value: 0.059
    additional property: Acousticness
      type: PropertyValue
      value: 0.336
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.461
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.927
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.197
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Canta Contrabajo
type: MusicAlbum
date published: 2018-03-21

Social Club Buenavista
type: MusicAlbum
date published: 2018-03-21

Panchitín
type: MusicAlbum
date published: 2018-03-21

Cuban Jam Sessions In Miniature "Descargas"
type: MusicAlbum
date published: 2018-09-14

The Real Cuban Music (Remasterizado)
type: MusicAlbum
date published: 2018-09-14
track: Malanga amarilla - Remasterizado
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193613
  explicit: false
  by artist: Cachao
  in album: The Real Cuban Music (Remasterizado)
    type: MusicAlbum
    date published: 2018-09-14
  genre: latin jazz
  genre: mambo
  genre: salsa
  genre: son cubano
  isrc code: ES5021800657
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T20:08:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x78acf7baf6a353bf458742a7d89ca5375e6e8c98ab5d38984350453494c1b11c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021800657
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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