Marrom Fernandez
type: MusicGroup
genre: latin hip hop
popularity: 30
followers: 2797
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1692cd4b0c9d364233335f6d013817248af9d2128bcf4cbb81cd6b4eb863d44b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0e9d1fc7-1ad0-4478-92d4-067c8ec113ec.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0e9d1fc7-1ad0-4478-92d4-067c8ec113ec.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0e9d1fc7-1ad0-4478-92d4-067c8ec113ec
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1692cd4b0c9d364233335f6d013817248af9d2128bcf4cbb81cd6b4eb863d44b","name":"Marrom Fernandez","registered_at":"2026-06-11T11:52:32Z","symbol":"NIM0019759","token_address":"0xe6631bdd791acaffa0714c761d801f725b6d5993","type":"artist","uuid":"0e9d1fc7-1ad0-4478-92d4-067c8ec113ec"}
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 0x1692cd4b0c9d364233335f6d013817248af9d2128bcf4cbb81cd6b4eb863d44b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0e9d1fc7-1ad0-4478-92d4-067c8ec113ec.json and https://artists.proofprofile.net/proofs/artist/0e9d1fc7-1ad0-4478-92d4-067c8ec113ec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x1692cd4b0c9d364233335f6d013817248af9d2128bcf4cbb81cd6b4eb863d44b","name":"Marrom Fernandez","registered_at":"2026-06-11T11:52:32Z","symbol":"NIM0019759","token_address":"0xe6631bdd791acaffa0714c761d801f725b6d5993","type":"artist","uuid":"0e9d1fc7-1ad0-4478-92d4-067c8ec113ec"}
album: Sensual Words
  type: MusicAlbum
  date published: 2017-03-10
album: Casi Azul
  type: MusicAlbum
  date published: 2017-08-18
  track: Casi Azul
    type: MusicRecording
    duration: PT4M12S
    duration ms: 252261
    explicit: false
    by artist: Marrom Fernandez
    in album: Casi Azul
      type: MusicAlbum
      date published: 2017-08-18
    genre: latin hip hop
    isrc code: QZ5AB1720066
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T16:37:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8ee98cd70efdeab4b42d2bd33512e74da8ffd80b80b4c7fe6dd3c766a01b84b5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB1720066
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x8ee98cd70efdeab4b42d2bd33512e74da8ffd80b80b4c7fe6dd3c766a01b84b5. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZ5AB1720066.
      date published: 2026-07-05T19:27:56Z
    audio: Casi Azul
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 85.653
      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: 0.456
      additional property: Energy
        type: PropertyValue
        value: 0.563
      additional property: Speechiness
        type: PropertyValue
        value: 0.099
      additional property: Acousticness
        type: PropertyValue
        value: 0.7
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.461
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.218
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.907
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Relax
  type: MusicAlbum
  date published: 2017-11-17
album: Dimension
  type: MusicAlbum
  date published: 2019-08-05
album: Sex
  type: MusicAlbum
  date published: 2019-10-11
album: Garzz
  type: MusicAlbum
  date published: 2019-11-15
album: Sad
  type: MusicAlbum
  date published: 2019-12-10
album: Sumas
  type: MusicAlbum
  date published: 2024-01-15
album: Amoreamor
  type: MusicAlbum
  date published: 2024-01-31
album: Mary Jane
  type: MusicAlbum
  date published: 2024-06-22
album: Liberate
  type: MusicAlbum
  date published: 2024-09-14
album: FUCSIA
  type: MusicAlbum
  date published: 2024-12-01
album: ROTO
  type: MusicAlbum
  date published: 2024-12-28
album: Delito
  type: MusicAlbum
  date published: 2025-02-28
album: Cicatriz
  type: MusicAlbum
  date published: 2025-04-28