Estudiantina Invasora
type: MusicGroup
genre: son cubano
popularity: 19
followers: 1278
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xb2d37c4c1a20ff955dc3ec265c96eb61a8dc406725661f8161a76d87636c7ebf
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953762
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953762
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b7ced540-f159-4ecb-94db-334c805ad581.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/b7ced540-f159-4ecb-94db-334c805ad581.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b7ced540-f159-4ecb-94db-334c805ad581
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T08:21:23Z
additional property: OTSCanonicalRecord
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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 0xb2d37c4c1a20ff955dc3ec265c96eb61a8dc406725661f8161a76d87636c7ebf. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b7ced540-f159-4ecb-94db-334c805ad581.json and https://artists.proofprofile.net/proofs/artist/b7ced540-f159-4ecb-94db-334c805ad581.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T08:21:23Z
  text: {"copyright_id":"0xb2d37c4c1a20ff955dc3ec265c96eb61a8dc406725661f8161a76d87636c7ebf","name":"Estudiantina Invasora","registered_at":"2026-06-14T23:55:43Z","symbol":"NIM0616955","token_address":"0xaa8df25b531f283913cfe38a1280680eefe1c833","type":"artist","uuid":"b7ced540-f159-4ecb-94db-334c805ad581"}
album: Music Form Oriente De Cuba: The Estudiantina Tradition
  type: MusicAlbum
  date published: 1994-01-01
album: 65 Años (Remasterizado)
  type: MusicAlbum
  date published: 1996-06-02
album: Estudiantina Invasora
  type: MusicAlbum
  date published: 1996-11-01
album: ¡70 Años y Estamos Como Ayer!
  type: MusicAlbum
  date published: 1997-01-01
album: Tírame la Pelota, María (Remasterizado)
  type: MusicAlbum
  date published: 2000-02-03
  track: Desvelo de Amor - Remasterizado
    type: MusicRecording
    duration: PT4M48S
    duration ms: 288000
    explicit: false
    by artist: Estudiantina Invasora
    in album: Tírame la Pelota, María (Remasterizado)
      type: MusicAlbum
      date published: 2000-02-03
    genre: son cubano
    isrc code: ES5021601346
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      value: 959047
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959047
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021601346
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T20:38:00Z
    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 0x1f6c5f0421b53e30962092974c3ec8fdaed7b8c1651ee04979508282906392a9. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T20:38:00Z), 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/ES5021601346.
      date published: 2026-07-21T20:38:00Z
    audio: Desvelo de Amor - Remasterizado
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 116.738
      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: 0.772
      additional property: Energy
        type: PropertyValue
        value: 0.429
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.344
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.005
      additional property: Liveness
        type: PropertyValue
        value: 0.105
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.722
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.537
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: A la loma de Belén
  type: MusicAlbum
  date published: 2001-06-23
album: 70 años y estamos como ayer
  type: MusicAlbum
  date published: 2014-06-23
album: Ademue Madam
  type: MusicAlbum
  date published: 2015-11-16
album: Estudiantina Invasora
  type: MusicAlbum
  date published: 2025-04-04
track: La Macha Rabiosa

La Macha Rabiosa
type: MusicRecording
duration: PT5M35S
duration ms: 335826
explicit: false
by artist: Estudiantina Invasora
in album: Casa de la Trova - Santiago de Cuba
  type: MusicAlbum
  date published: 2010-01-01
isrc code: MX2160900254
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T20:21:07+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xd5fc28d06d9d3a66981aea06f0dd0a97bd1599ed76e9a35cef38376c6d547b64
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MX2160900254
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+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: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+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 0xd5fc28d06d9d3a66981aea06f0dd0a97bd1599ed76e9a35cef38376c6d547b64. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MX2160900254.
  date published: 2026-07-02T11:34:59Z
audio: La Macha Rabiosa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.993
  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: 0.705
  additional property: Energy
    type: PropertyValue
    value: 0.521
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.685
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.039
  additional property: Liveness
    type: PropertyValue
    value: 0.536
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.809
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.687
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major