Marco Xavyer
type: MusicGroup
popularity: 4
followers: 261
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f7f3fdf9e050c08ec881670474fc4495001344ea3b02189e903874ec0d1ead3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4f00ebf8-9d77-4246-9402-885abaa8b34a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4f00ebf8-9d77-4246-9402-885abaa8b34a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4f00ebf8-9d77-4246-9402-885abaa8b34a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9f7f3fdf9e050c08ec881670474fc4495001344ea3b02189e903874ec0d1ead3","name":"Marco Xavyer","registered_at":"2026-06-16T17:11:42Z","symbol":"NIM1119649","token_address":"0x4a11f5b91f9afd48ce3a1b79eb3f9a9d2cc11f2d","type":"artist","uuid":"4f00ebf8-9d77-4246-9402-885abaa8b34a"}
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 0x9f7f3fdf9e050c08ec881670474fc4495001344ea3b02189e903874ec0d1ead3. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4f00ebf8-9d77-4246-9402-885abaa8b34a.json and https://artists.proofprofile.net/proofs/artist/4f00ebf8-9d77-4246-9402-885abaa8b34a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x9f7f3fdf9e050c08ec881670474fc4495001344ea3b02189e903874ec0d1ead3","name":"Marco Xavyer","registered_at":"2026-06-16T17:11:42Z","symbol":"NIM1119649","token_address":"0x4a11f5b91f9afd48ce3a1b79eb3f9a9d2cc11f2d","type":"artist","uuid":"4f00ebf8-9d77-4246-9402-885abaa8b34a"}
album: Besos Perdidos
  type: MusicAlbum
  date published: 2019-06-06
album: Juego De Pétalos
  type: MusicAlbum
  date published: 2019-11-15
album: ¿Dónde Quedamos?
  type: MusicAlbum
  date published: 2020-03-13
album: Me Faltas Tú
  type: MusicAlbum
  date published: 2020-10-23
album: MQ1A
  type: MusicAlbum
  date published: 2022-10-13
album: Ven Pa'Ca
  type: MusicAlbum
  date published: 2023-10-19
album: Si Tú Estás Sola
  type: MusicAlbum
  date published: 2024-07-18
album: Nunca Te Dejé De Amar
  type: MusicAlbum
  date published: 2025-03-06
  track: Nunca Te Dejé De Amar
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257879
    explicit: false
    by artist: Marco Xavyer
    in album: Nunca Te Dejé De Amar
      type: MusicAlbum
      date published: 2025-03-06
    isrc code: QZES92576861
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T20:44:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd41fdc346cb2c17d115e714ff516cf655f70f8d4ec58bfc28dae5e85157b5793
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92576861
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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 0xd41fdc346cb2c17d115e714ff516cf655f70f8d4ec58bfc28dae5e85157b5793. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZES92576861.
      date published: 2026-07-04T11:19:20Z
    audio: Nunca Te Dejé De Amar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 144.961
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.559
      additional property: Energy
        type: PropertyValue
        value: 0.543
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.219
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.326
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.317
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.296
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Seamos Fuego
  type: MusicAlbum
  date published: 2025-08-28