SIMARRO
type: MusicGroup
description: Simarro is a surname. Notable people with the surname include: Juan Antonio Simarro (born 1973), Spanish composer, interpreter, and producer Luis Simarro Lacabra (1851–1921), Spanish neurologist S
popularity: 4
followers: 20
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e9474ed0998353b02306f1ec72b28fd80fa9e095bcb7ea1eb725a04487a7a74
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ef8e24c4-64cb-4afe-bd45-59d86140f66f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ef8e24c4-64cb-4afe-bd45-59d86140f66f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ef8e24c4-64cb-4afe-bd45-59d86140f66f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
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 0x3e9474ed0998353b02306f1ec72b28fd80fa9e095bcb7ea1eb725a04487a7a74. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ef8e24c4-64cb-4afe-bd45-59d86140f66f.json and https://artists.proofprofile.net/proofs/artist/ef8e24c4-64cb-4afe-bd45-59d86140f66f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
album: Simplesmente
  type: MusicAlbum
  date published: 2020-07-17
album: Amor Sem Preconceito
  type: MusicAlbum
  date published: 2022-12-30
album: Meu Segredo
  type: MusicAlbum
  date published: 2025-02-07
album: Meu Nome
  type: MusicAlbum
  date published: 2025-03-07
album: Tudo Isso Vai Passar
  type: MusicAlbum
  date published: 2025-04-11
  track: Tudo Isso Vai Passar
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171086
    explicit: false
    by artist: SIMARRO
    in album: Tudo Isso Vai Passar
      type: MusicAlbum
      date published: 2025-04-11
    isrc code: BX0B52500050
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T21:56:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2e61d7085c3ebd62e0633dab2868bb5f4bc2c0a52e9ef6ba07be4c65d86034d0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958335
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958335
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX0B52500050
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T00:58:38Z
    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 0x2e61d7085c3ebd62e0633dab2868bb5f4bc2c0a52e9ef6ba07be4c65d86034d0. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-17T00:58:38Z), 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/BX0B52500050.
      date published: 2026-07-17T00:58:38Z
    audio: Tudo Isso Vai Passar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 101.629
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.53
      additional property: Energy
        type: PropertyValue
        value: 0.584
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.503
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.193
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.361
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.017
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Você Tem Que Viajar
  type: MusicAlbum
  date published: 2025-05-30
album: Él No Te Sabe Querer
  type: MusicAlbum
  date published: 2025-06-16