Felix Del Rosario
type: MusicGroup
genre: merengue
popularity: 12
followers: 5198
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/248b90cc-3e22-4cf2-b46f-986a84764765.ots
additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/248b90cc-3e22-4cf2-b46f-986a84764765
additional property: OTSTimestamp
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  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0x9d56edd93349e5dde667f0dbc912e637aed86d5ff4f79f0eb6b271cc73e8db78","name":"Felix Del Rosario","registered_at":"2026-06-14T08:15:15Z","symbol":"NIM0392635","token_address":"0x15a8d8b0d8c38483af4c0ce94e9f3e1fc313407e","type":"artist","uuid":"248b90cc-3e22-4cf2-b46f-986a84764765"}
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 0x9d56edd93349e5dde667f0dbc912e637aed86d5ff4f79f0eb6b271cc73e8db78. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/248b90cc-3e22-4cf2-b46f-986a84764765.json and https://artists.proofprofile.net/proofs/artist/248b90cc-3e22-4cf2-b46f-986a84764765.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:41:45Z
  text: {"copyright_id":"0x9d56edd93349e5dde667f0dbc912e637aed86d5ff4f79f0eb6b271cc73e8db78","name":"Felix Del Rosario","registered_at":"2026-06-14T08:15:15Z","symbol":"NIM0392635","token_address":"0x15a8d8b0d8c38483af4c0ce94e9f3e1fc313407e","type":"artist","uuid":"248b90cc-3e22-4cf2-b46f-986a84764765"}
album: Y Sus Magos del Ritmo
  type: MusicAlbum
  date published: 1964
album: El Disco de Oro de Felix del Rosario y Sus Magos del Ritmo
  type: MusicAlbum
  date published: 2000
album: 20 Exitos para Siempre
  type: MusicAlbum
  date published: 2013-04-19
  track: Llevatela
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257000
    explicit: false
    by artist: Felix Del Rosario
    in album: 20 Exitos para Siempre
      type: MusicAlbum
      date published: 2013-04-19
    genre: merengue
    isrc code: US6R21397625
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSBitcoinBlock
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      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21397625
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x83a7157b256c578cc3dcb6ce23626c0ce09ad844d1ab620c15bf031407cb7420. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/US6R21397625.
      date published: 2026-07-05T19:27:56Z
    audio: Llevatela
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 85.222
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.735
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.08
      additional property: Acousticness
        type: PropertyValue
        value: 0.644
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.172
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.84
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.82
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Navidad Que Vuelve
  type: MusicAlbum
  date published: 2016-12-03
  track: Un Año Que Viene y Otro Que Se Va
    type: MusicRecording
    duration: PT2M7S
    duration ms: 127555
    explicit: false
    by artist: Felix Del Rosario
    in album: Navidad Que Vuelve
      type: MusicAlbum
      date published: 2016-12-03
    genre: merengue
    isrc code: QMBZ91654050
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    additional property: CopyrightStatus
      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSHash
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91654050
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0x184f31e30be5fd761064547bf93a2ec80aa365d67f397841566b1ee99eb20f8b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QMBZ91654050.
      date published: 2026-07-04T10:04:33Z
    audio: Un Año Que Viene y Otro Que Se Va
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 134.92
      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: 0.727
      additional property: Energy
        type: PropertyValue
        value: 0.659
      additional property: Speechiness
        type: PropertyValue
        value: 0.093
      additional property: Acousticness
        type: PropertyValue
        value: 0.824
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Felix Del Rosario
album: La Mágia De Un Maestro (Concierto En Vivo)
album: Mi Acento En Latin Jazz (Live)
album: Navidad en Merengue

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.19

Valence (Positivity)
type: PropertyValue
value: 0.935

Loudness (dB)
type: PropertyValue
value: -4.285

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Felix Del Rosario
type: MusicAlbum
date published: 2021-04-27

Felix Del Rosario
type: MusicAlbum
date published: 2021-04-27

La Mágia De Un Maestro (Concierto En Vivo)
type: MusicAlbum
date published: 2025-01-10

Mi Acento En Latin Jazz (Live)
type: MusicAlbum
date published: 2025-04-30

Navidad en Merengue
type: MusicAlbum
date published: 2025-07-10