Copia Doble Systema
type: MusicGroup
popularity: 5
followers: 1868
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c163b3ee38981d8a37f57622c1a47bf12f11e671d46c8d1b7532758097bf319
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ef5435dc-2515-41c9-856f-dc5c651c4ff5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ef5435dc-2515-41c9-856f-dc5c651c4ff5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ef5435dc-2515-41c9-856f-dc5c651c4ff5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5c163b3ee38981d8a37f57622c1a47bf12f11e671d46c8d1b7532758097bf319","name":"Copia Doble Systema","registered_at":"2026-06-21T12:17:54Z","symbol":"NIM1921059","token_address":"0x4e69899b5f143c711ed09f1f0ff4c4614fe862cb","type":"artist","uuid":"ef5435dc-2515-41c9-856f-dc5c651c4ff5"}
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 0x5c163b3ee38981d8a37f57622c1a47bf12f11e671d46c8d1b7532758097bf319. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ef5435dc-2515-41c9-856f-dc5c651c4ff5.json and https://artists.proofprofile.net/proofs/artist/ef5435dc-2515-41c9-856f-dc5c651c4ff5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0x5c163b3ee38981d8a37f57622c1a47bf12f11e671d46c8d1b7532758097bf319","name":"Copia Doble Systema","registered_at":"2026-06-21T12:17:54Z","symbol":"NIM1921059","token_address":"0x4e69899b5f143c711ed09f1f0ff4c4614fe862cb","type":"artist","uuid":"ef5435dc-2515-41c9-856f-dc5c651c4ff5"}
album: Cumbia Colegiala EP
  type: MusicAlbum
  date published: 2010-04-09
  track: Cumbia Colegiala (Mezcla de la Pista)
    type: MusicRecording
    duration: PT4M58S
    duration ms: 298138
    explicit: false
    by artist: Copia Doble Systema
    in album: Cumbia Colegiala EP
      type: MusicAlbum
      date published: 2010-04-09
    isrc code: DKEY21002201
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T08:43:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfb7cb96e8a6094194532a7b3c815b0845fc05e107e970e55952660e218d3c3f0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958853
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958853
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKEY21002201
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T11:47:05Z
    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 0xfb7cb96e8a6094194532a7b3c815b0845fc05e107e970e55952660e218d3c3f0. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:47:05Z), 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/DKEY21002201.
      date published: 2026-07-20T11:47:05Z
    audio: Cumbia Colegiala (Mezcla de la Pista)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 84.999
      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: 0.733
      additional property: Energy
        type: PropertyValue
        value: 0.6
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.123
      additional property: Liveness
        type: PropertyValue
        value: 0.089
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.576
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.502
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Cumbia Colegiala EP
  type: MusicAlbum
  date published: 2010-04-09
album: Revolución EP
  type: MusicAlbum
  date published: 2011-06-17
album: Revolución EP
  type: MusicAlbum
  date published: 2011-06-17
album: Suelta La Voz
  type: MusicAlbum
  date published: 2012-10-09
album: Suelta La Voz
  type: MusicAlbum
  date published: 2012-10-09
track: Ventilator R-80 - Copia Doble Systema Cumbiaton Remix

Ventilator R-80 - Copia Doble Systema Cumbiaton Remix
type: MusicRecording
duration: PT3M58S
duration ms: 238401
explicit: false
by artist: Ojos de Brujo
by artist: Copia Doble Systema
in album: Al Lindrum Presents: Ojos De Brujo Reworked
  type: MusicAlbum
  date published: 2012-06-25
genre: flamenco
genre: latin-alternative
genre: flamenco-pop
isrc code: ES5151200855
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:44:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc109af503022d89ace3731a73223ea91f614e281e662dfe1b02812194054f2f7
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/ES5151200855
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 0xc109af503022d89ace3731a73223ea91f614e281e662dfe1b02812194054f2f7. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5151200855.
  date published: 2026-07-08T08:56:20Z
audio: Ventilator R-80 - Copia Doble Systema Cumbiaton Remix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 196.826
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.703
  additional property: Energy
    type: PropertyValue
    value: 0.553
  additional property: Speechiness
    type: PropertyValue
    value: 0.262
  additional property: Acousticness
    type: PropertyValue
    value: 0.064
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.894
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.904
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor