William Estudante
type: MusicGroup
popularity: 19
followers: 225
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79f25edb138837ac49a1bd0033d0e5f16a3165d526cf593508626126e23348e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953762
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953762
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8a6a6ae-e827-4a0d-a2fd-148e89df6df6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8a6a6ae-e827-4a0d-a2fd-148e89df6df6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b8a6a6ae-e827-4a0d-a2fd-148e89df6df6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T08:21:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x79f25edb138837ac49a1bd0033d0e5f16a3165d526cf593508626126e23348e3","name":"William Estudante","registered_at":"2026-06-14T23:51:47Z","symbol":"NIM0616011","token_address":"0xc271427e316b2983e5ea260cd01826bbd53e2c0b","type":"artist","uuid":"b8a6a6ae-e827-4a0d-a2fd-148e89df6df6"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79f25edb138837ac49a1bd0033d0e5f16a3165d526cf593508626126e23348e3. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8a6a6ae-e827-4a0d-a2fd-148e89df6df6.json and https://artists.proofprofile.net/proofs/artist/b8a6a6ae-e827-4a0d-a2fd-148e89df6df6.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T08:21:23Z
  text: {"copyright_id":"0x79f25edb138837ac49a1bd0033d0e5f16a3165d526cf593508626126e23348e3","name":"William Estudante","registered_at":"2026-06-14T23:51:47Z","symbol":"NIM0616011","token_address":"0xc271427e316b2983e5ea260cd01826bbd53e2c0b","type":"artist","uuid":"b8a6a6ae-e827-4a0d-a2fd-148e89df6df6"}
album: Ela Senta
  type: MusicAlbum
  date published: 2018-11-21
album: Bota Bota
  type: MusicAlbum
  date published: 2019-05-27
album: Rabeta
  type: MusicAlbum
  date published: 2019-10-06
album: Com Você
  type: MusicAlbum
  date published: 2019-11-23
album: Bota Bota (Brega Funk Remix)
  type: MusicAlbum
  date published: 2020-05-05
album: Com Você (Bachata Version)
  type: MusicAlbum
  date published: 2020-05-15
album: Preparada
  type: MusicAlbum
  date published: 2021-03-01
album: Novinha
  type: MusicAlbum
  date published: 2021-11-06
album: Socadona (Radio Edit)
  type: MusicAlbum
  date published: 2022-03-30
album: Receba
  type: MusicAlbum
  date published: 2022-11-23
album: Vagabundo
  type: MusicAlbum
  date published: 2023-04-18
album: Delícia
  type: MusicAlbum
  date published: 2023-10-15
album: Paixão de Cria
  type: MusicAlbum
  date published: 2024-01-20
album: Toma Toma
  type: MusicAlbum
  date published: 2024-05-11
album: Cintura
  type: MusicAlbum
  date published: 2024-10-16
album: Macetar
  type: MusicAlbum
  date published: 2025-04-18
album: Sentadona
  type: MusicAlbum
  date published: 2025-05-15
album: Karina
  type: MusicAlbum
  date published: 2025-09-17
  track: Karina
    type: MusicRecording
    duration: PT2M25S
    duration ms: 145531
    explicit: false
    by artist: William Estudante
    in album: Karina
      type: MusicAlbum
      date published: 2025-09-17
    isrc code: CH6542566123
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T07:39:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd87120ae6b102ed25711dc1a7e27f4f1c7ccc88d59f8773ecbf01828ffec59c4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542566123
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd87120ae6b102ed25711dc1a7e27f4f1c7ccc88d59f8773ecbf01828ffec59c4. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542566123 — a six-check JSON result.
      date published: 2026-07-05T10:01:46Z
    audio: Karina
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 188.101
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.678
      additional property: Energy
        type: PropertyValue
        value: 0.887
      additional property: Speechiness
        type: PropertyValue
        value: 0.2
      additional property: Acousticness
        type: PropertyValue
        value: 0.262
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.331
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.671
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.469
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Bicicleta
  type: MusicAlbum
  date published: 2025-10-19