Justi Barreto
type: MusicGroup
genre: son cubano
popularity: 18
followers: 209
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b325f1cd86195247c1920640a0788fca6424fff17a717c7e7abe73c25bf4899
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953678
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953678
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/621a7070-fd4c-49e3-8cf3-3df02a671cd0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/621a7070-fd4c-49e3-8cf3-3df02a671cd0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/621a7070-fd4c-49e3-8cf3-3df02a671cd0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:23:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5b325f1cd86195247c1920640a0788fca6424fff17a717c7e7abe73c25bf4899","name":"Justi Barreto","registered_at":"2026-06-14T14:46:45Z","symbol":"NIM0486019","token_address":"0x412c7ad7d6f250bc3a348bc36941beb3c423c5d6","type":"artist","uuid":"621a7070-fd4c-49e3-8cf3-3df02a671cd0"}
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 0x5b325f1cd86195247c1920640a0788fca6424fff17a717c7e7abe73c25bf4899. Chain 2 (Bitcoin): anchored in block 953678 (2026-06-14T19:23:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/621a7070-fd4c-49e3-8cf3-3df02a671cd0.json and https://artists.proofprofile.net/proofs/artist/621a7070-fd4c-49e3-8cf3-3df02a671cd0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T19:23:11Z
  text: {"copyright_id":"0x5b325f1cd86195247c1920640a0788fca6424fff17a717c7e7abe73c25bf4899","name":"Justi Barreto","registered_at":"2026-06-14T14:46:45Z","symbol":"NIM0486019","token_address":"0x412c7ad7d6f250bc3a348bc36941beb3c423c5d6","type":"artist","uuid":"621a7070-fd4c-49e3-8cf3-3df02a671cd0"}
album: Perlas Cubanas: Batanga
  type: MusicAlbum
  date published: 2014-04-25
track: Pachito Eché
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220453
  explicit: false
  by artist: Tito Puente
  by artist: Celia Cruz
  by artist: Héctor Lavoe
  by artist: Hector Casanova
  by artist: Adalberto Santiago
  by artist: Pete "El Conde" Rodriguez
  by artist: Justi Barreto
  in album: Celia Cruz Centennial
    type: MusicAlbum
    date published: 2025-02-16
  genre: salsa
  genre: latin-jazz
  genre: son-cubano
  genre: cha-cha-cha
  genre: mambo
  genre: latin
  isrc code: USDBB0600380
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:44:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x01a1199e08a7120276b020ce1b36cd7fdbf01c0ca136cf446ceb4c74e1a994a9
  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/USDBB0600380
  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 0x01a1199e08a7120276b020ce1b36cd7fdbf01c0ca136cf446ceb4c74e1a994a9. 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/USDBB0600380.
    date published: 2026-07-08T03:20:19Z
  audio: Pachito Eché
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.337
    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: 0.722
    additional property: Energy
      type: PropertyValue
      value: 0.772
    additional property: Speechiness
      type: PropertyValue
      value: 0.063
    additional property: Acousticness
      type: PropertyValue
      value: 0.735
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.041
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.964
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.162
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: No Me Vayas A Enganar
track: Pachito Eché
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219266
  explicit: false
  by artist: Tito Puente
  by artist: Celia Cruz
  by artist: Héctor Lavoe
  by artist: Hector Casanova
  by artist: Adalberto Santiago
  by artist: Pete "El Conde" Rodriguez
  by artist: Justi Barreto
  in album: Salsa Explosion: The Sound Of Fania Records
    type: MusicAlbum
    date published: 2007-03-15
  genre: salsa
  genre: latin-jazz
  genre: son-cubano
  genre: cha-cha-cha
  genre: mambo
  genre: latin
  isrc code: USDBB0600380
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:44:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x01a1199e08a7120276b020ce1b36cd7fdbf01c0ca136cf446ceb4c74e1a994a9
  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/USDBB0600380
  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 0x01a1199e08a7120276b020ce1b36cd7fdbf01c0ca136cf446ceb4c74e1a994a9. 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/USDBB0600380.
    date published: 2026-07-08T03:53:27Z
  audio: Pachito Eché
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.811
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
    additional property: Danceability
    additional property: Energy
    additional property: Speechiness
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Ay Mi Cuba

No Me Vayas A Enganar
type: MusicRecording
duration: PT3M4S
duration ms: 184040
explicit: false
by artist: Tito Puente
by artist: Celia Cruz
by artist: Héctor Lavoe
by artist: Hector Casanova
by artist: Adalberto Santiago
by artist: Pete "El Conde" Rodriguez
by artist: Justi Barreto
in album: Celia Cruz Centennial
  type: MusicAlbum
  date published: 2025-02-16
genre: salsa
genre: latin-jazz
genre: son-cubano
genre: cha-cha-cha
genre: mambo
genre: latin
isrc code: USDBB0600387
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:58:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb3ee9109c5b1b98bd8e6bfd05ac0a9d7b091e8237ebc191ec91af4c57407cd33
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/USDBB0600387
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3ee9109c5b1b98bd8e6bfd05ac0a9d7b091e8237ebc191ec91af4c57407cd33. 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/USDBB0600387.
  date published: 2026-07-08T03:53:27Z
audio: No Me Vayas A Enganar
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.414
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.378
  additional property: Energy
    type: PropertyValue
    value: 0.457
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.881
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.379
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.493
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.201
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ay Mi Cuba
type: MusicRecording
duration: PT4M56S
duration ms: 296720
explicit: false
by artist: Celia Cruz
by artist: Tito Puente
by artist: Héctor Lavoe
by artist: Hector Casanova
by artist: Adalberto Santiago
by artist: Pete "El Conde" Rodriguez
by artist: Justi Barreto
in album: Celia Cruz Centennial
  type: MusicAlbum
  date published: 2025-02-16
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf682ddc868de4b89916e45d3e2338b76812b249b2d959493eeff4c8638403535. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/USDBB0600388.
  date published: 2026-07-29T12:41:21Z
audio: Ay Mi Cuba
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.185
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.834
  additional property: Energy
    type: PropertyValue
    value: 0.689
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.778
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.903
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.19
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USDBB0600388
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: 960106
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T12:41:21+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0600388
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960106
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T12:41:21+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

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.715

Energy
type: PropertyValue
value: 0.656

Speechiness
type: PropertyValue
value: 0.061

Acousticness
type: PropertyValue
value: 0.753

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.051

Valence (Positivity)
type: PropertyValue
value: 0.966

Loudness (dB)
type: PropertyValue
value: -10.847

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Major