Cata Vicz
type: MusicGroup
popularity: 14
followers: 233
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefefa087064a8708a10c58c1044fb7dbbc67646ec38c90021c321b353ce25152
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953778
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953778
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af8d93d3-6a7f-4cdf-80d7-c1ab8eda1a8c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af8d93d3-6a7f-4cdf-80d7-c1ab8eda1a8c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/af8d93d3-6a7f-4cdf-80d7-c1ab8eda1a8c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:57:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xefefa087064a8708a10c58c1044fb7dbbc67646ec38c90021c321b353ce25152","name":"Cata Vicz","registered_at":"2026-06-14T22:55:50Z","symbol":"NIM0602662","token_address":"0x058e551e8c906ff7e47893e36545ae9b3673eb4d","type":"artist","uuid":"af8d93d3-6a7f-4cdf-80d7-c1ab8eda1a8c"}
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 0xefefa087064a8708a10c58c1044fb7dbbc67646ec38c90021c321b353ce25152. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/af8d93d3-6a7f-4cdf-80d7-c1ab8eda1a8c.json and https://artists.proofprofile.net/proofs/artist/af8d93d3-6a7f-4cdf-80d7-c1ab8eda1a8c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0xefefa087064a8708a10c58c1044fb7dbbc67646ec38c90021c321b353ce25152","name":"Cata Vicz","registered_at":"2026-06-14T22:55:50Z","symbol":"NIM0602662","token_address":"0x058e551e8c906ff7e47893e36545ae9b3673eb4d","type":"artist","uuid":"af8d93d3-6a7f-4cdf-80d7-c1ab8eda1a8c"}
album: Ya No Vuelvas
  type: MusicAlbum
  date published: 2023-06-15
  track: Ya No Vuelvas
    type: MusicRecording
    duration: PT2M36S
    duration ms: 156954
    explicit: false
    by artist: Cata Vicz
    in album: Ya No Vuelvas
      type: MusicAlbum
      date published: 2023-06-15
    isrc code: ES75E2302778
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T11:32:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xde116681c3be3e1356e12695de60b0710fb1ce2313286a26b59890739feefab1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958153
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958153
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES75E2302778
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T14:34:55Z
    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 0xde116681c3be3e1356e12695de60b0710fb1ce2313286a26b59890739feefab1. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:34:55Z), 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/ES75E2302778.
      date published: 2026-07-15T14:34:55Z
    audio: Ya No Vuelvas
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 118.121
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.74
      additional property: Energy
        type: PropertyValue
        value: 0.87
      additional property: Speechiness
        type: PropertyValue
        value: 0.048
      additional property: Acousticness
        type: PropertyValue
        value: 0.094
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.034
      additional property: Liveness
        type: PropertyValue
        value: 0.129
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.358
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.27
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Tiempo
  type: MusicAlbum
  date published: 2023-09-28
album: Rojo Ferrari
  type: MusicAlbum
  date published: 2024-07-18
  track: Rojo Ferrari
    type: MusicRecording
    duration: PT2M10S
    duration ms: 130412
    explicit: false
    by artist: Cata Vicz
    in album: Rojo Ferrari
      type: MusicAlbum
      date published: 2024-07-18
    isrc code: ES75E2406739
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T18:31:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8ed800e200045ac405971101e9a53ee4b42bb81be3daf8473563bfef8072757d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957919
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957919
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES75E2406739
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T23:58:45Z
    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 0x8ed800e200045ac405971101e9a53ee4b42bb81be3daf8473563bfef8072757d. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), 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/ES75E2406739.
      date published: 2026-07-13T23:58:45Z
    audio: Rojo Ferrari
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.999
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.768
      additional property: Energy
        type: PropertyValue
        value: 0.722
      additional property: Speechiness
        type: PropertyValue
        value: 0.075
      additional property: Acousticness
        type: PropertyValue
        value: 0.387
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.133
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Espacio
album: Reflejo
album: Bronceador

Valence (Positivity)
type: PropertyValue
value: 0.564

Loudness (dB)
type: PropertyValue
value: -5.851

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Espacio
type: MusicAlbum
date published: 2024-08-29
track: Espacio
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144852
  explicit: false
  by artist: Cata Vicz
  in album: Espacio
    type: MusicAlbum
    date published: 2024-08-29
  isrc code: ES75E2408586
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T14:20:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x380e10fc9c96d1cb57e45b93ad00956d974a575872005df62720a4f9d252d9a5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958905
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958905
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES75E2408586
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T16:14:34Z
  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 0x380e10fc9c96d1cb57e45b93ad00956d974a575872005df62720a4f9d252d9a5. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/ES75E2408586.
    date published: 2026-07-20T16:14:34Z
  audio: Espacio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.991
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.737
    additional property: Energy
      type: PropertyValue
      value: 0.732
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.268
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.449
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.627
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Reflejo
type: MusicAlbum
date published: 2024-10-24

Bronceador
type: MusicAlbum
date published: 2024-11-28
track: Bronceador
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159519
  explicit: false
  by artist: Cata Vicz
  in album: Bronceador
    type: MusicAlbum
    date published: 2024-11-28
  isrc code: ES75E2412815
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T19:34:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9b0bea11401f5b9ba769b1844d846519b914bfffd30dc7d11365936e45549c49
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES75E2412815
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0x9b0bea11401f5b9ba769b1844d846519b914bfffd30dc7d11365936e45549c49. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ES75E2412815.
    date published: 2026-07-02T16:51:38Z
  audio: Bronceador
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.015
    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: 0.752
    additional property: Energy
      type: PropertyValue
      value: 0.744
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.095
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.203
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.601
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.488
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major