Xavi Sierra
type: MusicGroup
genre: tech house
popularity: 4
followers: 32
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43b7de6c7a9db82e42b59288b690d63a58f95eb2c4297a79f26601c2ef2354d3
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additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f84c26f6-cc18-4102-b204-2dabb46b48f9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f84c26f6-cc18-4102-b204-2dabb46b48f9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f84c26f6-cc18-4102-b204-2dabb46b48f9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43b7de6c7a9db82e42b59288b690d63a58f95eb2c4297a79f26601c2ef2354d3. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f84c26f6-cc18-4102-b204-2dabb46b48f9.json and https://artists.proofprofile.net/proofs/artist/f84c26f6-cc18-4102-b204-2dabb46b48f9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
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album: Girls And Boys
  type: MusicAlbum
  date published: 2023-03-24
album: Girls and Boys
  type: MusicAlbum
  date published: 2023-04-03
album: Girls And Boys
  type: MusicAlbum
  date published: 2023-04-21
album: Getdown
  type: MusicAlbum
  date published: 2023-05-12
album: Power of Chicago
  type: MusicAlbum
  date published: 2023-07-07
album: Unexpected Ways (Extended Deep House Mix)
  type: MusicAlbum
  date published: 2023-07-14
album: Maria's Song (Chillout Lounge Edit)
  type: MusicAlbum
  date published: 2023-08-08
album: House Party (Extended Mix)
  type: MusicAlbum
  date published: 2023-08-19
album: Grooveland
  type: MusicAlbum
  date published: 2023-10-06
album: Out of Control (Extended Tech House Mix)
  type: MusicAlbum
  date published: 2023-11-25
album: We Are the Children
  type: MusicAlbum
  date published: 2023-12-22
album: This Is My House
  type: MusicAlbum
  date published: 2024-03-02
album: Never Sleeps
  type: MusicAlbum
  date published: 2024-03-23
album: I Need More
  type: MusicAlbum
  date published: 2024-03-29
album: I Wanna Feel It
  type: MusicAlbum
  date published: 2024-04-20
album: Out of Control (Mario Sforza Remixes)
  type: MusicAlbum
  date published: 2024-07-04
album: Ukunthula Voices (Extended Afro House Mix)
  type: MusicAlbum
  date published: 2024-08-10
album: Drop This
  type: MusicAlbum
  date published: 2024-08-30
album: Keep On Moving
  type: MusicAlbum
  date published: 2024-09-16
album: Breathe
  type: MusicAlbum
  date published: 2024-09-20
album: Groove Philosophie
  type: MusicAlbum
  date published: 2024-11-22
album: Jump
  type: MusicAlbum
  date published: 2025-02-07
  track: Jump - Radio Edit
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197753
    explicit: false
    by artist: Xavi Sierra
    in album: Jump
      type: MusicAlbum
      date published: 2025-02-07
    genre: tech house
    isrc code: DENF32500001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: CopyrightRegisteredAt
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
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    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 0xc9e3ca6dcd2d60411f58f328f45df9d2c1921dad723391bbc46ae5ee72ad772b. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/DENF32500001.
      date published: 2026-07-19T07:14:39Z
    audio: Jump - Radio Edit
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 127.019
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.751
      additional property: Energy
        type: PropertyValue
        value: 0.96
      additional property: Speechiness
        type: PropertyValue
        value: 0.118
      additional property: Acousticness
        type: PropertyValue
        value: 0.004
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.88
      additional property: Liveness
        type: PropertyValue
        value: 0.041
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.626
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.607
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Shake It
  type: MusicAlbum
  date published: 2025-02-14
album: We Are Free (Original Mix)
  type: MusicAlbum
  date published: 2025-05-30
album: No Matter
  type: MusicAlbum
  date published: 2025-07-01
album: House Party the Remixes
album: Feel the Beat
album: The Mirror
album: The Time Is Now

House Party the Remixes
type: MusicAlbum
date published: 2025-07-04

Feel the Beat
type: MusicAlbum
date published: 2025-08-01

The Mirror
type: MusicAlbum
date published: 2025-08-22

The Time Is Now
type: MusicAlbum
date published: 2025-10-29