Igor Vianna
type: MusicGroup
genre: brazilian bass
popularity: 3
followers: 370
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14fbf2180558534161b93c187db31b2d31255a140f509dd186d4aae5223c4c8e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c8ae67dd-fb79-4674-9435-b5a770976f38.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c8ae67dd-fb79-4674-9435-b5a770976f38.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c8ae67dd-fb79-4674-9435-b5a770976f38
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x14fbf2180558534161b93c187db31b2d31255a140f509dd186d4aae5223c4c8e","name":"Igor Vianna","registered_at":"2026-06-20T22:21:39Z","symbol":"NIM1728875","token_address":"0x69cde9a6009b9884a8794216e8ea3be81e5ace04","type":"artist","uuid":"c8ae67dd-fb79-4674-9435-b5a770976f38"}
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 0x14fbf2180558534161b93c187db31b2d31255a140f509dd186d4aae5223c4c8e. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c8ae67dd-fb79-4674-9435-b5a770976f38.json and https://artists.proofprofile.net/proofs/artist/c8ae67dd-fb79-4674-9435-b5a770976f38.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
  text: {"copyright_id":"0x14fbf2180558534161b93c187db31b2d31255a140f509dd186d4aae5223c4c8e","name":"Igor Vianna","registered_at":"2026-06-20T22:21:39Z","symbol":"NIM1728875","token_address":"0x69cde9a6009b9884a8794216e8ea3be81e5ace04","type":"artist","uuid":"c8ae67dd-fb79-4674-9435-b5a770976f38"}
album: Euvianna
  type: MusicAlbum
  date published: 2020-10-30
album: Vidro
  type: MusicAlbum
  date published: 2021-10-08
album: Espelho
  type: MusicAlbum
  date published: 2021-10-22
album: Cacos
  type: MusicAlbum
  date published: 2021-11-05
album: Calma
  type: MusicAlbum
  date published: 2022-03-11
album: Bem-Vinda
  type: MusicAlbum
  date published: 2022-07-20
  track: Bem-Vinda
    type: MusicRecording
    duration: PT3M44S
    duration ms: 224000
    explicit: false
    by artist: Igor Vianna
    in album: Bem-Vinda
      type: MusicAlbum
      date published: 2022-07-20
    genre: brazilian bass
    isrc code: BXD4P2200076
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T18:38:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6e3903bd08f22d673b3caf08098b5cea231a359c977f878b924e7d61c5d18367
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958924
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958924
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXD4P2200076
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T21:41:15Z
    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 0x6e3903bd08f22d673b3caf08098b5cea231a359c977f878b924e7d61c5d18367. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:41:15Z), 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/BXD4P2200076.
      date published: 2026-07-20T21:41:15Z
    audio: Bem-Vinda
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 149.618
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.611
      additional property: Energy
        type: PropertyValue
        value: 0.137
      additional property: Speechiness
        type: PropertyValue
        value: 0.073
      additional property: Acousticness
        type: PropertyValue
        value: 0.842
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.111
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.437
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.293
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Quatro
  type: MusicAlbum
  date published: 2022-08-26
album: Particularmente
  type: MusicAlbum
  date published: 2022-10-21
album: Astros
  type: MusicAlbum
  date published: 2022-12-09
album: Lua Cheia
  type: MusicAlbum
  date published: 2024-07-26
  track: Lua Cheia
    type: MusicRecording
    duration: PT2M24S
    duration ms: 144294
    explicit: false
    by artist: Igor Vianna
    in album: Lua Cheia
      type: MusicAlbum
      date published: 2024-07-26
    genre: brazilian bass
    isrc code: BXQ2K2400001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T06:21:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5acf206c088fda773779034eeaf5f67cbc6dbe62b6c2eb4834c9640ace3453c8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956776
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956776
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXQ2K2400001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:59:37Z
    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 0x5acf206c088fda773779034eeaf5f67cbc6dbe62b6c2eb4834c9640ace3453c8. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/BXQ2K2400001.
      date published: 2026-07-05T10:59:37Z
    audio: Lua Cheia
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 81.675
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Migalhas
album: Brega
album: Orig

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.513

Energy
type: PropertyValue
value: 0.648

Speechiness
type: PropertyValue
value: 0.063

Acousticness
type: PropertyValue
value: 0.363

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.092

Valence (Positivity)
type: PropertyValue
value: 0.604

Loudness (dB)
type: PropertyValue
value: -6.609

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Migalhas
type: MusicAlbum
date published: 2025-08-24

Brega
type: MusicAlbum
date published: 2025-09-07

Orig
type: MusicAlbum
date published: 2025-09-21